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Blue spool of Lincoln Electric ER70S-3 MIG welding wire 0.035 inch 33 lb

Lincoln Electric

Lincoln Electric ER70S-3 MIG Welding Wire 0.035" 33 lb

SKU CH-WFFX-22E4R

MIG welding wire for carbon steel, 0.035" diameter on a 33 lb spool with 75 ksi tensile strength

  • TypeWelding Supplies
  • ER70S-3 classification meets AWS standards for carbon steel MIG welding
  • 035 inch diameter suits a wide range of sheet and plate thicknesses
  • 33 lb spool supports extended production runs without frequent changeovers
  • Tensile strength up to 79 ksi with 90/10 argon/CO₂ shielding gas
  • Minimum yield strength of 58 ksi ensures reliable joint performance

Lincoln Electric ER70S-3 MIG Wire 0.035" 33 lb

This Lincoln Electric welding wire comes in a 33 lb spool with a 0.035 in diameter. It carries AWS classification ER70S-3 and is made from carbon steel for MIG welding processes. The product is supplied new and ships directly from the distributor.

Suits fabricators running MIG guns on carbon steel

Welders who need a 33 lb spool of 0.035 in ER70S-3 wire for standard MIG work will find this specification matches their requirement. Buyers who want a different wire diameter, a different AWS classification, or a non-carbon-steel filler metal should look at something else.

0.035 in diameter with ER70S-3 classification

The single specification that decides fit is the 0.035 in wire diameter combined with the ER70S-3 classification for carbon steel MIG welding. Tensile strength ranges from 75 ksi to 79 ksi depending on shielding gas mix, while minimum yield strength is 58 ksi.

Highlights

  • ER70S-3 classification meets AWS standards for carbon steel MIG welding
  • 035 inch diameter suits a wide range of sheet and plate thicknesses
  • 33 lb spool supports extended production runs without frequent changeovers
  • Tensile strength up to 79 ksi with 90/10 argon/CO₂ shielding gas
  • Minimum yield strength of 58 ksi ensures reliable joint performance

Specifications

BrandLINCOLN ELECTRIC
TypeWelding Supplies

Questions about this item

What MIG welder specifications do I need to run 0.035" ER70S-3 wire?

Use a MIG (GMAW) machine capable of feeding 0.035 inch solid carbon-steel wire with appropriate drive rolls and a contact tip sized for that diameter.

Can I keep my existing 75 % argon / 25 % CO₂ shielding gas with this wire?

Yes — tensile strength is rated at 76 ksi with 75 % argon / 25 % CO₂, and the wire is also qualified for 100 % CO₂, 90/10 argon/CO₂, and 98/2 argon/oxygen mixes.

How do I verify the welds meet the 58 ksi minimum yield strength after welding?

Perform a qualified bend test or tensile test on a representative weld coupon; passing results confirm the deposit meets the 58 ksi minimum yield requirement.

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