{"title":"MIG Welding Wire","description":"\u003cp\u003eMIG welding wire is the solid, continuously fed filler wire used in gas metal arc (GMAW \/ MIG) welding. The most common type is \u003cstrong\u003eER70S-6\u003c\/strong\u003e, a copper-coated carbon steel wire that runs clean on mild and low-alloy steel with C25 or 100% CO2 shielding gas. For non-ferrous work, choose \u003cstrong\u003e4043 or 5356 aluminum\u003c\/strong\u003e wire, or \u003cstrong\u003e308L\u003c\/strong\u003e for stainless steel. ATL Welding Supply stocks MIG wire from trusted brands in the diameters and spool sizes below.\u003c\/p\u003e\u003ch2\u003eWhich spool size should I buy?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 lb spools\u003c\/strong\u003e fit the 4 inch hub on small 110V MIG machines and portable welders. Good for occasional repairs and hobby use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11 lb spools\u003c\/strong\u003e fit the standard 8 inch hub on most 220V shop welders. Best value, and the size most pros reorder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e44 lb coils and pallets\u003c\/strong\u003e are built for high-volume production shops that weld daily.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMatch wire diameter to metal thickness:\u003c\/strong\u003e .023\" and .024\" for sheet metal and auto body, .030\" for general-purpose work on 1\/8\" and up, and .035\" for heavier fabrication.\u003c\/p\u003e","products":[{"product_id":"4043-aluminum-welding-wire-035-1","title":"4043 Aluminum MIG Welding Spool Gun Wire (.035, 1 lb.)","description":"\u003c!----\u003e\n\u003cp\u003e4043 aluminum MIG welding wire delivers smooth, reliable performance for your aluminum welding projects. This 1 lb. spool features .035\" diameter wire on a 4\" roll with a 5\/8\" arbor hole—designed to fit standard MIG welding equipment and spool guns. 4043 aluminum wire is the softer choice among aluminum MIG options, making it ideal for general-purpose aluminum welding applications. Its lower melting point and improved fluidity help reduce cracking and produce cleaner welds on thin to medium-gauge aluminum. Because of its softer composition, a spool gun is often recommended to maintain consistent wire feed and prevent tangling. Remember: aluminum welding requires 100% argon shielding gas for optimal results and weld quality. Stock this essential consumable for your shop or jobsite to keep projects moving without interruption.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16733309249,"sku":"4043-035","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/aluminum_201_20lb.jpeg?v=1719665784"},{"product_id":"4043-aluminum-welding-wire-030-1","title":"4043 Aluminum Welding Wire .030 1 lb","description":"\u003c!----\u003e\n\u003cp\u003eLooking for reliable aluminum MIG welding wire? This 4043 aluminum welding wire in .030 diameter is ideal for welders who need a softer, more forgiving aluminum wire for general-purpose applications. The 1 lb spool fits standard 4\" reels with a 5\/8\" arbor hole, making it compatible with most MIG welders. 4043 aluminum wire is known for its excellent fluidity and crack resistance, making it a popular choice for welding aluminum alloys. Because of its softer composition, a spool gun is often recommended to ensure smooth feeding and consistent arc performance. Remember that all aluminum MIG welding requires 100% argon shielding gas for optimal results. Whether you're working on automotive repairs, fabrication projects, or general aluminum welding tasks, this .030 wire delivers dependable performance. Stock up on aluminum MIG wire and keep your projects moving forward.\u003c\/p\u003e\n\u003cp\u003eClick \u003ca href=\"https:\/\/www.atlweldingsupply.com\/collections\/aluminum-and-stainless-steel-wire\"\u003ehere\u003c\/a\u003e to view our entire selection of aluminum mig wire.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16733310529,"sku":"4043-030","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/aluminum_201_20lb_e5c2ca77-93da-4daa-9c52-1b1bf09dd362.jpeg?v=1719665756"},{"product_id":"er70s-6-mig-welding-wire-030-2lbs","title":"ER70S-6 Mig Welding Wire .030 2lbs.","description":"\u003cfont face=\"Arial\" color=\"#000066\"\u003eThis is 2 lbs. of mild steel mig welding wire, ER70S-6 size .030 on a 4\" roll.  Arbor hole size is 5\/8\".  This is the most commonly used type of wire used for mig welding mild steel.  This is a gas shielded wire requiring Argon\/CO2 or CO2 gas.  Size .030 is the most common wire used on small welders.\u003c\/font\u003e","brand":"vendor-unknown","offers":[{"title":"Default","offer_id":16733312257,"sku":"ER70S-6.030-2","price":5.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/2lb_20er70s-6_20.030.jpeg?v=1579511063"},{"product_id":"er70s-6-mig-welding-wire-035-2-lbs","title":"ER70S-6 Mig Welding Wire .035 2 lbs.","description":"\u003cfont color=\"#000066\"\u003eThis is 2 lbs. of mild steel mig welding wire, ER70S-6 size .035 on a 4\" roll.  Arbor hole size is 5\/8\".  This is the most commonly used type of wire use for mig welding mild steel.  It is prefered because of its' higher tensile strength and low spatter.  This is a gas shielded wire requiring Argon\/CO2 or CO2 gas.  Size .035 also equates to 9mm, it is one of the most popular sizes available.  \u003c\/font\u003e","brand":"vendor-unknown","offers":[{"title":"Default","offer_id":16733313921,"sku":"ER70S-6.-035-2","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/ER70S6.0352lbs.jpeg?v=1579511064"},{"product_id":"er70s-6-mig-welding-wire-030-11-lbs","title":"ER70S-6 Mig Welding Wire .030 11 lbs.","description":"\u003cp\u003eThis is 11 lbs of ER70S-6 mig welding wire, size .030. Spool size is 8\" diameter with a 2\" arbor. ER70S-6 is the prefered gas shielded wire for use on mild steel because of its high tensile strength and low spatter. ER70S-6 mig welding wire requires Argon\/CO2 or CO2 gas.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16733316545,"sku":"3W-8059-NVN4","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/11_20lb_20.035_20er70s-6_20wound.jpeg?v=1579511062"},{"product_id":"er70s-6-mig-welding-wire-035-11-lbs","title":"ER70S-6 Mig Welding Wire .035 11 lbs.","description":"\u003cp\u003eThis is 11 lbs of ER70S-6 mig welding wire, size .035. Spool size is 8\" diameter with a 2\" arbor. ER70S-6 is the prefered gas shielded wire for use on mild steel because of its high tensile strength and low spatter. ER70S-6 mig welding wire requires Argon\/CO2 or CO2 gas.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16733318273,"sku":"T5-OKXZ-CCF5","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/11_20lb_20.035_20er70s-6_20wound_68d7293b-d1e2-425f-887e-c7c49ff72fb1.jpeg?v=1579511064"},{"product_id":"5356-aluminum-mig-welding-wire-030-1","title":"5356 Aluminum Mig Welding Wire .030 1 lb","description":"\u003cp\u003eThis is 1 lbs. of 5356 Aluminum Mig Welding Wire size .030 on a 4\" roll. Arbor size is 5\/8\". It has a pound of product with the roll weight and packaging extra. 5356 is the harder type of aluminum welding wire and can be run through a standard mig gun that is equipped with a teflon liner. All aluminum welding requires 100% Argon gas.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16735788225,"sku":"2763","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/aluminum_201_20lb_9ca56c6f-0016-48a8-b9e0-02cb9c7cbb42.jpeg?v=1738939268"},{"product_id":"5356-aluminum-mig-welding-wire-035-1","title":"5356 Aluminum Mig Welding Wire .035 1 lb","description":"\u003cp\u003eThis is 1 lbs. of 5356 Aluminum Mig Welding Wire size .035 on a 4\" roll. Arbor size is 5\/8\". It has a pound of product with the roll weight and packaging extra. 5356 is the harder type of aluminum welding wire and can be run through a standard mig gun that is equipped with a teflon liner. All aluminum welding requires 100% Argon gas.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16735788929,"sku":"2765","price":11.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/aluminum_201_20lb_7baeb98d-ed8d-4d1e-a60f-814ec12954ff.jpeg?v=1738939229"},{"product_id":"solder-cutting-tips-3-pk","title":"Solder Cutting Tips 3\/pk","description":"","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16736540481,"sku":"P10348","price":2.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/solder_20cut_20tip_203pk_20p10348.jpeg?v=1579511522"},{"product_id":"er70s-6-mig-welding-wire-023-2-lbs","title":"ER70S-6 Mig Welding Wire .023 2 lbs.","description":"\u003cp\u003eThis is 2 lbs. of mild steel mig welding wire, ER70S-6 size .023 on a 4\" roll. Arbor hole size is 5\/8\". This is the most commonly used type of wire used for mig welding mild steel. This is a gas shielded wire requiring Argon\/CO2 or CO2 gas. Size .023 is the a popular sized wire for use on auto body and other thin work.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default","offer_id":16736703617,"sku":"3369","price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/2lbs_20er70s-6_20.023.jpeg?v=1579511062"},{"product_id":"e71t-gs-fluxed-cored-steel-welding-wire-035","title":"E71T-GS Fluxed Cored Gasless Mig Welding Wire .035 2lbs","description":"\u003cp\u003e2 lbs. of Flux Core Mig Welding Wire for use without shielding gas on small mig welding machines. .035 is a good size to use with this type of welder. The roll is 4\" in diameter with a 5\/8\" arbor hole.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default","offer_id":16737015425,"sku":"E71T-GS-035-2","price":10.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/Label_Side_86d0f856-4b4e-47c4-b522-f9981b1f9060.jpg?v=1579511057"},{"product_id":"e71-gts-flux-core-welding-wire-030-10-lbs","title":"E71-GTS Flux Core Welding Wire .030 10 lbs","description":"\u003cp\u003e10# roll of E71T-GS Flux Core Mig Welding Wire. Flux core and inner shield both mean that the wire can be used without a shielding gas. It is size .030 which is a medium sized wire for use with small welders. This is good quality wire that is wound on the spool evenly and sequentially, meaning one thread after the other for consistent feeding.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16737046017,"sku":"4109","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/et71t-gs_20.030_2010lb_20bare_20roll.jpeg?v=1738698532"},{"product_id":"flux-core-mig-welding-wire-035-10-e71t-gs","title":"Flux Core Mig Welding Wire .035 10# E71T-GS","description":"\u003cp\u003e10# roll of E71T-GS Flux Core Mig Welding Wire. Flux core and inner shield both mean that the wire can be used without a shielding gas. It is size .035 which is a medium sized wire for use with small welders. This is good quality wire that is wound on the spool evenly and sequentially, meaning one thread after the other for consistent feeding.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16737046081,"sku":"4111","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/et71t-gs_20.030_2010lb_20bare_20roll_36afc9a2-39bf-424f-b2d6-305422af0f5e.jpeg?v=1738698483"},{"product_id":"pallet-72pc-er70s-6-mig-welding-wire-045-44lb-rolls","title":"Pallet 60pc ER70S-6 Mig Welding Wire .045 44lb Rolls","description":"\u003cp\u003e(60) 44 lb rolls of ER70S-6 mild steel mig welding wire with .045 diameter.  It meets AWS standard 5.18. It is designed for superior performance with very little spatter. This wire is precision wound which means it comes of the roll one wrap at a time and does not overlap. Precision wound welding wire allows you to have more consistent wire speed while welding. Spool is 10 1\/2\" diameter with a 2\" arbor hole. Welding wire requires shielding gas. 2640 lbs of wire.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16737301633,"sku":"ER70S6-045P","price":3168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/44_20lb_20.035_20er70s-6_20wound_3_d5686c90-dd96-45f7-92ca-3cb94d408c2b.jpeg?v=1718200105"},{"product_id":"pallet-72pc-er70s-6-mig-welding-wire-035-44lb-rolls","title":"Pallet 60pc .035 MIG Welding Wire 44 lb ER70S-6","description":"\u003cp\u003e(60) 44 lbs. rolls of ER70S-6 mild steel MIG welding wire with .035 diameter. This is the most common size used with smaller amperage welding machines. This .035 welding wire meets AWS standard 5.18. It is designed for superior performance with very little spatter. This ER70S-6 welding wire is precision wound which means it comes off the roll one wrap at a time and does not overlap. Precision wound welding wire allows you to have a more consistent wire speed while welding. Spool is 10 1\/2\" diameter with a 2\" arbor hole. Welding wire requires shielding gas. 2640 lbs of wire.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16737304321,"sku":"ER70S6-035P","price":3168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/44_20lb_20.035_20er70s-6_20wound_3_ef7585fd-e915-4555-b9f4-468f173a8983.jpeg?v=1718200069"},{"product_id":"308-stainless-steel-mig-welding-wire-035-2lbs","title":"308L Stainless Steel MIG Wire .035 2 lb","description":"\u003cp\u003e308L Stainless Steel Mig Welding Wire .035, 2lbs. 308L is used to weld all stainless steel AISI 200 and 300 series up to and including 308. This wire is used where resistance to corrosion, impact and abrasion is required. Weld deposits will be equal or superior to the base metal.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16737528577,"sku":"4983","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/files\/ER308L.035Main.jpg?v=1720271782"},{"product_id":"washington-alloy-450ht-hardfacing-wire-045-33lb-1","title":"Washington Alloy 450HT Hardfacing Wire .045 33lb","description":"\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003eUSA 450 HT Hardfacing flux cored contains the following metal composition: Carbon, Silicon, Manganese, Chromium, Molybdenum, Iron Base.  Rockwell Hardness is 43-48 with a very good impact resistance and a good abrasion resistance.  Common applications include: Mine care wheels, tractor rollers, undercarriage parts, shovel idlers, rollers, and hook rolls. \u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":16738127233,"sku":"5685","price":271.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/washington450ht045hardfacingwire.jpeg?v=1730927382"},{"product_id":"copy-of-e71t-gs-fluxed-cored-gasless-mig-welding-wire-035-2lbs","title":"E71T-GS Flux Cored Gasless Mig Welding Wire .030 2lbs","description":"\u003cp\u003e2 lbs. of Flux Core Mig Welding Wire for use without shielding gas on small mig welding machines. .030 is a good size to use with this type of welder. The roll is 4\" in diameter with a 5\/8\" arbor hole.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default","offer_id":27747408385,"sku":"E71T-GS-030-2","price":11.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/products\/Label_Side.jpg?v=1579511057"},{"product_id":"forney-er70s-6-mig-welding-wire-024-2-lbs","title":"Forney ER70S-6 Mig Welding Wire .024 2 lbs","description":"\u003cp\u003eForney ER70S-6 Mig Welding Wire .024 2 lbs on a 4\" roll. Arbor hole size is 5\/8\". This is the most commonly used type of wire used for mig welding mild steel. This is a gas shielded wire requiring Argon\/CO2 or CO2 gas. Size .024 is the a popular sized wire for use on auto body and other thin work.  Sizes .023, .024 and .025 can generally be used on either size tip.  We do have plenty of \u003ca href=\"https:\/\/www.atlweldingsupply.com\/products\/tweco-style-contact-tip-11-24-25-pk-copy?_pos=1\u0026amp;_sid=62fe4da4e\u0026amp;_ss=r\" title=\"Tweco style 11-24 Contact Tips\"\u003eTweco style .024 contact tips\u003c\/a\u003e available.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Forney","offers":[{"title":"Default","offer_id":46965131378934,"sku":null,"price":6.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/files\/s-l1600_35.webp?v=1720085887"},{"product_id":"308l-stainless-steel-mig-wire-035-11-lb","title":"WA Alloy 308L Stainless Steel Mig Wire .035 - 11 lbs","description":"\u003cp\u003eWashington Alloy 308L Stainless Steel Mig Welding Wire .035, 2lbs. 308L is used to weld all stainless steel AISI 200 and 300 series up to and including 308. This wire is used where resistance to corrosion, impact and abrasion is required. Weld deposits will be equal or superior to the base metal.\u003c\/p\u003e\n\u003c!----\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":48289965310198,"sku":"TS 308L 08","price":96.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/files\/DSCN0696.jpg?v=1747934608"},{"product_id":"wa-alloy-309l-stainless-steel-mig-wire-035-10-lbs","title":"WA Alloy 309L Stainless Steel Mig Wire .035 - 11 lbs","description":"\u003cp\u003eWashington Alloy 309L stainless steel mig welding wire works well for joining stainless steel to carbon or mild steel.  It is often used in welding AISI 309 and other chromium grades of stainless.  309L stainless is excellent for buttered passes or overlay work.  It may be used for welding 304 clad stainless steel.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":48290521972982,"sku":"TS 309L 08","price":141.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/files\/DSCN0698.jpg?v=1747934608"},{"product_id":"cronatron-austenitic-carbon-manganese-hard-facing-welding-wire-1-16-dia-25-lb","title":"Cronatron Austenitic Carbon Manganese Hard Facing Welding Wire 1\/16\" Dia - 25 lb","description":"\u003cp\u003eCronatron 7109 Austenitic Carbon Manganese Hardfacing Welding Wire 1\/16\" Dia - 25 lbs.  Cronatron was developed exclusively for the maintenance industry.  This scientifically formulated welding alloy provides the ultimate in ease of application and maximum in strength, toughness and durability.\u003c\/p\u003e\n\u003cp\u003eBase metal should be free of rust, oil, and scale etc before hardfacing is begun.  Spalled metal should be removed.  On medium or high carbon steels, correct preheat procedures should be adopted.\u003c\/p\u003e\n\u003cp\u003eWhen Cronalloy is applied by open arc method, high deposition rates are possible.  Cronalloy may be applied to carbon steels, 11-14% Manganese steels, grey cast irons and some low alloy steels.  It should be noted that when welding on 11-14% Manganese steel the base metal must be kept cool (550 Deg F).  \u003c\/p\u003e\n\u003cp\u003eApplications include:\u003c\/p\u003e\n\u003cp\u003eHammers\u003cbr\u003eSleeves\u003cbr\u003eSwitch Points\u003cbr\u003eCrushers\u003cbr\u003eRail Points Frogs\u003cbr\u003eOn 1020 steel, Rockwell Hardness is 54, 56 with 2 layers and 57 with 3 layers.  The Rockwell hardness for 11-14% Manganese steel is 50 for single layer and 52 for multiple layers.\u003c\/p\u003e","brand":"ATL Welding Supply","offers":[{"title":"Default Title","offer_id":48990313185526,"sku":"7109","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1205\/4730\/files\/s-l1600_7_0399fd02-d382-466c-95c7-4562cea7a2a5.webp?v=1755981793"}],"url":"https:\/\/www.atlweldingsupply.com\/collections\/mig-welding-wire.oembed?page=2","provider":"ATL Welding Supply","version":"1.0","type":"link"}