{"id":6710,"date":"2023-10-08T10:48:59","date_gmt":"2023-10-08T14:48:59","guid":{"rendered":"https:\/\/www.har-tech.com\/?p=6710"},"modified":"2026-09-17T10:42:01","modified_gmt":"2026-09-17T14:42:01","slug":"mma-welding","status":"publish","type":"post","link":"https:\/\/www.har-tech.com\/en\/mma-welding\/","title":{"rendered":"What is MMA Welding?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6710\" class=\"elementor elementor-6710 elementor-6700\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14eed59 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14eed59\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1a2eece\" data-id=\"1a2eece\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a954604 elementor-widget elementor-widget-text-editor\" data-id=\"a954604\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA welding (Manual Metal Arc) is a manual arc welding process that uses a coated electrode to fuse two pieces of metal together. It&#8217;s one of the oldest and most widely used techniques in the industry, from shipbuilding to heavy machinery maintenance.<\/p><p>In this article, our <a href=\"https:\/\/www.har-tech.com\/en\/industrial-welding\/\" target=\"_blank\" rel=\"noopener\">industrial welding<\/a> experts in Quebec explain how it works, its advantages and limitations, how it compares to other welding processes, and the safety standards that govern its practice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-399f32b elementor-widget elementor-widget-text-editor\" data-id=\"399f32b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Key takeaways<\/p><ul><li>MMA welding, also known as SMAW or stick welding, uses a consumable coated electrode to create the electric arc.<\/li><li>It works outdoors and in strong wind, without an external shielding gas, unlike MIG welding.<\/li><li>It&#8217;s not recommended for aluminium or very thin metals: TIG or MIG welding are preferable in those cases.<\/li><li>In Quebec, the CNESST strictly regulates the personal protective equipment required for this type of work.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42e0ae7 elementor-widget elementor-widget-heading\" data-id=\"42e0ae7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">MMA welding definition\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e7320b elementor-widget elementor-widget-text-editor\" data-id=\"4e7320b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>MMA welding<\/strong> refers to a manual technique that uses an electric arc to fuse metals together with a coated electrode. Among the <a href=\"https:\/\/www.har-tech.com\/en\/differents-types-welding\/\" target=\"_blank\" rel=\"noopener\">different welding techniques<\/a> out there, it&#8217;s one of the most versatile and widespread.<\/p><p>MMA stands for Manual Metal Arc. &#8220;Manual&#8221; refers to the welder&#8217;s hand-guided movement of the electrode, &#8220;metal&#8221; refers to the base material being welded, and &#8220;arc&#8221; refers to the electrical phenomenon that generates the heat needed for fusion. The process carries the code 111 under the ISO 4063 standard, and it&#8217;s also known as SMAW (Shielded Metal Arc Welding) or, more informally, stick welding.<\/p><p><strong>MMA welding<\/strong> is used in pipeline construction, agricultural machinery repair, metal furniture manufacturing, and shipbuilding, all fields where durability matters more than a polished finish.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d4342c elementor-widget elementor-widget-heading\" data-id=\"5d4342c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How does MMA welding work?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c3f0cb elementor-widget elementor-widget-text-editor\" data-id=\"8c3f0cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>MMA welding<\/strong> relies on three mechanisms working together: creating an electric arc, melting the coated electrode, and shielding the weld pool from the surrounding air. Here&#8217;s how each one plays its part in the process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b97dae1 elementor-widget elementor-widget-heading\" data-id=\"b97dae1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Creating the electric arc\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-578fdc2 elementor-widget elementor-widget-text-editor\" data-id=\"578fdc2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When the electrode is brought close to the workpiece and then pulled back slightly, an electric arc jumps across the gap that forms. This spark generates enough heat to melt the metal on contact, marking the starting point of the weld.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e37e220 elementor-widget elementor-widget-heading\" data-id=\"e37e220\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The role of the coated electrode<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c447a2c elementor-widget elementor-widget-text-editor\" data-id=\"c447a2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The coated electrode plays a dual role. It conducts the current that forms the arc, and as it melts, it supplies the filler metal needed for the weld. Its coating also produces shielding gases and a layer of slag that covers the weld bead as it cools.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55ef228 elementor-widget elementor-widget-heading\" data-id=\"55ef228\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Protection against oxidation and contamination<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26746a5 elementor-widget elementor-widget-text-editor\" data-id=\"26746a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Without protection, the molten metal would be exposed to oxygen and nitrogen in the air, which would weaken the weld. The atmosphere created by the electrode&#8217;s coating keeps these elements away from the weld pool, ensuring a clean, durable weld.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65c6b15 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"65c6b15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"tel:5144228282\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">514 422-8282<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b3ac0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b3ac0d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-701fd47\" data-id=\"701fd47\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9c068cf elementor-widget elementor-widget-heading\" data-id=\"9c068cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">MMA vs. MIG\/MAG vs. TIG welding: what's the difference?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06c95e6 elementor-widget elementor-widget-text-editor\" data-id=\"06c95e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>MMA welding<\/strong> stands apart from MIG\/MAG and TIG processes through its lack of an external shielding gas and its simple equipment, making it particularly well suited to outdoor job sites. Here are the main differences between the three techniques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab24ec1 elementor-widget elementor-widget-jet-table\" data-id=\"ab24ec1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jet-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-jet-table jet-elements\">\n\t\t<div class=\"jet-table-wrapper\">\n\t\t\t<table class=\"jet-table jet-table--fa5-compat\">\n\t\t\t\t<thead class=\"jet-table__head\"><tr class=\"jet-table__head-row\"><th class=\"jet-table__cell elementor-repeater-item-3bef893 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Criterion<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-9ce47e3 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">MMA<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-fd053b9 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">MIG\/MAG<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-5e1f986 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">TIG<\/div><\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t<tbody class=\"jet-table__body\"><tr class=\"jet-table__body-row elementor-repeater-item-39e1538\"><td class=\"jet-table__cell elementor-repeater-item-06d0abd jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Electrode type<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-0f4b912 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Consumable coated electrode <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-f457185 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Continuous wire<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-6bd61a4\"><td class=\"jet-table__cell elementor-repeater-item-c8b809b jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Shielding gas <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-847be4c jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">None (flux coating) <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-db19f2d jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Yes <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-7741e93 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Yes <\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-8613e73\"><td class=\"jet-table__cell elementor-repeater-item-6b6d62e jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Working environment <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-42d0ff2 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Shop and outdoors, even in wind <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-4f52a36 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Mainly shop <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-1709bfa jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Shop (clean, dry) <\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-72e1ecb\"><td class=\"jet-table__cell elementor-repeater-item-6f89375 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Suitable materials <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-a092f00 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Common steels, cast iron, stainless steel <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-c45f377 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Ferrous and non-ferrous metals <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-25cde5a jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Stainless steel, aluminum, light alloys<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-9cae709\"><td class=\"jet-table__cell elementor-repeater-item-dced90d jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Typical use case <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-b8e2c58 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Job sites, maintenance, thick structures <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-42f1405 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Industrial production, bodywork <\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-4da5dc4 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Precision welding, fine finish work <\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f73ce58 elementor-widget elementor-widget-text-editor\" data-id=\"f73ce58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA remains the most robust choice for outdoor work and repairs on thick structures. <a href=\"https:\/\/www.har-tech.com\/en\/mig-mag-welding\/\" target=\"_blank\" rel=\"noopener\">MIG\/MAG welding<\/a> takes over when execution speed and automation become the priority, while <a href=\"https:\/\/www.har-tech.com\/en\/tig-welding\/\" target=\"_blank\" rel=\"noopener\">TIG welding<\/a> is the go-to for precise finishes, particularly on aluminium.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f71f30 elementor-widget elementor-widget-heading\" data-id=\"6f71f30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What current and electrode diameter should you use?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d840a elementor-widget elementor-widget-text-editor\" data-id=\"e1d840a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Choosing the right electrode diameter and current depends directly on the thickness of the metal being welded. The wrong setting can result in a weak weld or, conversely, burn through the material.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71e4bb0 elementor-widget elementor-widget-jet-table\" data-id=\"71e4bb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jet-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-jet-table jet-elements\">\n\t\t<div class=\"jet-table-wrapper\">\n\t\t\t<table class=\"jet-table jet-table--fa5-compat\">\n\t\t\t\t<thead class=\"jet-table__head\"><tr class=\"jet-table__head-row\"><th class=\"jet-table__cell elementor-repeater-item-6230cd9 jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Metal thickness<\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-7657e7e jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Electrode diameter <\/div><\/div><\/div><\/th><th class=\"jet-table__cell elementor-repeater-item-e1471cc jet-table__head-cell\" scope=\"col\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">Recommended current<\/div><\/div><\/div><\/th><\/tr><\/thead>\n\t\t\t\t\t\t\t\t<tbody class=\"jet-table__body\"><tr class=\"jet-table__body-row elementor-repeater-item-6cf5358\"><td class=\"jet-table__cell elementor-repeater-item-41e1bd9 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">1,5 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-98bdbdd jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">1,5 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-999bd1d jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">30 to 40 A<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-2f179d3\"><td class=\"jet-table__cell elementor-repeater-item-89397bc jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">2 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-b6c079f jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">2 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-399e51c jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">45 to 65 A<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-858547c\"><td class=\"jet-table__cell elementor-repeater-item-5f59563 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">2 \u00e0 3 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-b212581 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">2,5 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-4f93f5b jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">65 to 80 A<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-901f648\"><td class=\"jet-table__cell elementor-repeater-item-072c2a5 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">3 \u00e0 5 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-be45eb2 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">3,2 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-898559b jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">100 to 115 A<\/div><\/div><\/div><\/td><\/tr><tr class=\"jet-table__body-row elementor-repeater-item-117fcd7\"><td class=\"jet-table__cell elementor-repeater-item-62c503e jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">3 \u00e0 10 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-88228bd jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">4,0 mm<\/div><\/div><\/div><\/td><td class=\"jet-table__cell elementor-repeater-item-0e76779 jet-table__body-cell\"><div class=\"jet-table__cell-inner\"><div class=\"jet-table__cell-content\"><div class=\"jet-table__cell-text\">150 to 170 A<\/div><\/div><\/div><\/td><\/tr><\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\n\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6970cd1 elementor-widget elementor-widget-text-editor\" data-id=\"6970cd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>These values are indicative and should be adjusted according to the electrode manufacturer&#8217;s recommendations. For an industrial project, our certified technicians determine the exact parameters based on the material and the required strength.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-902f587 elementor-widget elementor-widget-heading\" data-id=\"902f587\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Advantages of MMA welding<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a7d07c elementor-widget elementor-widget-text-editor\" data-id=\"9a7d07c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Despite the rise of other techniques, <strong>MMA welding<\/strong> remains a preferred choice for many professionals thanks to its versatility, portability, and strong value for money. Here are the main advantages behind its lasting popularity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68dbde2 elementor-widget elementor-widget-heading\" data-id=\"68dbde2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Versatility of the process\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cae95cc elementor-widget elementor-widget-text-editor\" data-id=\"cae95cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA welding works on a wide range of metals, from mild steel to stainless steel to cast iron. For a project involving several types of materials, this versatility considerably simplifies the work.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2792449 elementor-widget elementor-widget-heading\" data-id=\"2792449\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Portability and ease of use\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-633592c elementor-widget elementor-widget-text-editor\" data-id=\"633592c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA welding machines are generally compact and simple to transport, making them ideal for on-site work or tight spaces. The simplicity of the process also makes it accessible to less experienced welders, although professional-grade work always calls for a qualified team.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb23855 elementor-widget elementor-widget-heading\" data-id=\"bb23855\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cost-effectiveness for a range of projects<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59b8daa elementor-widget elementor-widget-text-editor\" data-id=\"59b8daa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA requires more affordable equipment than other processes and needs no shielding gas, which lowers operating costs. This cost-effectiveness makes it a solid option for both small one-off jobs and large-scale industrial projects.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d7c735 elementor-widget elementor-widget-heading\" data-id=\"0d7c735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Disadvantages of MMA welding\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf17953 elementor-widget elementor-widget-text-editor\" data-id=\"cf17953\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MMA welding also has certain limitations, particularly around execution speed and finish quality, which are important to understand before choosing this process for a given project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aabd8c2 elementor-widget elementor-widget-heading\" data-id=\"aabd8c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Limits on speed and thin materials\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f11722 elementor-widget elementor-widget-text-editor\" data-id=\"2f11722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Compared to MIG, MMA is slower, especially on large projects. The intense heat of the arc can also warp or burn through thin metals, making it less suited to precision welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e87eac elementor-widget elementor-widget-heading\" data-id=\"7e87eac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Slag removal\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bd3248 elementor-widget elementor-widget-text-editor\" data-id=\"8bd3248\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>After each weld bead, the layer of slag formed by the coating must be removed to reveal a clean weld underneath. This extra step adds time to the process and, if not done properly, can affect the quality of the result.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a455c50 elementor-widget elementor-widget-heading\" data-id=\"a455c50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Equipment needed for MMA welding\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1a1bc3 elementor-widget elementor-widget-text-editor\" data-id=\"c1a1bc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Quality <strong>MMA welding<\/strong> relies on three elements: the welding machine, the electrode, and the welder&#8217;s personal protective equipment. Each of these must be carefully chosen to ensure a safe, durable result.<\/p><p><strong>MMA welding<\/strong> machines run on either alternating current (AC) or direct current (DC), each offering advantages depending on the metal being welded. The choice of electrode, meanwhile, depends on the material, the thickness of the workpieces, and the welding conditions.<\/p><p>On the safety side, welders must wear a welding helmet, heat-resistant gloves, flame-resistant clothing, and safety footwear. According to the Canadian Centre for Occupational Health and Safety (CCOHS), eye and face protection against radiation, sparks, and hot slag is essential, as is a respirator to guard against welding fumes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa78e78 elementor-widget elementor-widget-heading\" data-id=\"aa78e78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">MMA welding in Quebec: safety and working conditions\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08b03ef elementor-widget elementor-widget-text-editor\" data-id=\"08b03ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In Quebec, the practice of <strong>MMA welding<\/strong> is governed by strict safety standards designed to protect workers from burns and fume exposure. The CNESST requires, among other things, gauntlet gloves, safety footwear, and eyewear or a face shield that meets the CAN\/CSA Z94.3 standard, along with flame-resistant cotton clothing free of oil or grease.<\/p><p>Quebec&#8217;s climate also works in MMA&#8217;s favour on outdoor job sites. Unlike MIG welding, which is sensitive to wind that disperses the shielding gas, MMA performs reliably even in extreme cold or strong wind, a real advantage for industrial work in any season.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ae8fa4 elementor-widget elementor-widget-heading\" data-id=\"6ae8fa4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ \u2014 MMA Welding\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c05c06 elementor-widget elementor-widget-toggle\" data-id=\"8c05c06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1461\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1461\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Can MMA welding be used on aluminium?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1461\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1461\"><p>No. MMA doesn&#8217;t allow for adequate control of aluminium&#8217;s oxidation, which compromises weld quality. For this metal, TIG welding or MIG welding with a specific wire is recommended.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1462\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1462\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What does the acronym MMA mean in welding?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1462\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1462\"><p>MMA stands for Manual Metal Arc, meaning manual arc welding. The process is also known as SMAW (Shielded Metal Arc Welding) or coated electrode welding.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1463\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1463\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What's the difference between MMA and MIG welding?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1463\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1463\"><p>MMA uses a consumable coated electrode and requires no external gas, while MIG uses a continuous wire shielded by gas. MMA is more robust outdoors, while MIG is faster for production work.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1464\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1464\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Can MMA welding be used outdoors in strong wind?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1464\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1464\"><p>Yes. This is one of the process&#8217;s main advantages: since it doesn&#8217;t rely on an external shielding gas, wind doesn&#8217;t affect the stability of the arc or the quality of the weld.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1465\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1465\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What electrode diameter should you choose based on metal thickness?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1465\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1465\"><p>The diameter generally ranges from 1.5 mm for thin sheet metal to 4 mm for workpieces 3 to 10 mm thick. The parameters table above on this page provides the recommended current for each case.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1466\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-1466\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Why hire a subcontractor instead of doing MMA welding yourself?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1466\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-1466\"><p>MMA demands real mastery of angle, travel speed, and arc length to guarantee a compliant weld. A specialized company like HARtech ensures a certified, safe result that meets Quebec&#8217;s applicable standards.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37d3e39 elementor-widget elementor-widget-heading\" data-id=\"37d3e39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">HARtech, your partner for industrial projects<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de257aa elementor-widget elementor-widget-text-editor\" data-id=\"de257aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>MMA welding<\/strong>, with its many advantages, remains a cornerstone of industrial welding. But the result&#8217;s quality depends on the expertise of those applying it, both technically and safely.<\/p><p>Whether you need a robust process for an outdoor job site or advice on optimizing your <a href=\"https:\/\/www.har-tech.com\/en\/machinery-repair\/\" target=\"_blank\" rel=\"noopener\">industrial mechanics<\/a> processes, HARtech is here to help. Our certified technicians understand the requirements of every project and are committed to delivering results that meet the highest standards of quality and safety.<\/p><p>Don&#8217;t leave your welding projects in just anyone&#8217;s hands. Contact HARtech today and discover how our industrial welding experts in Quebec can turn your welding challenges into success<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-705379a elementor-widget elementor-widget-button\" data-id=\"705379a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:5144228282\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-phone-alt\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">514 422-8282<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>MMA welding (Manual Metal Arc) is a manual arc welding process that uses a coated electrode to fuse two pieces of metal together. It&#8217;s one of the oldest and most widely used techniques in the industry, from shipbuilding to heavy machinery maintenance. In this article, our industrial welding experts in Quebec explain how it works, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.har-tech.com\/en\/mma-welding\/\"> <span class=\"screen-reader-text\">What is MMA Welding?<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":3,"featured_media":6704,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"MMA Welding: What You Need to Know | HARtech","_seopress_titles_desc":"Learn about MMA welding with HARtech. Find out how this method is central to industrial welding, and why you can rely on our professional welding services.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[67],"tags":[],"class_list":{"0":"post-6710","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-industrial-mechanics"},"_links":{"self":[{"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/posts\/6710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/comments?post=6710"}],"version-history":[{"count":13,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/posts\/6710\/revisions"}],"predecessor-version":[{"id":8545,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/posts\/6710\/revisions\/8545"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/media\/6704"}],"wp:attachment":[{"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/media?parent=6710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/categories?post=6710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.har-tech.com\/en\/wp-json\/wp\/v2\/tags?post=6710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}