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Blue Lincoln Electric spool of ER70S-6 MIG wire 0.045 inch diameter 44 lb net weight

Lincoln Electric

Lincoln Electric ED025946 ER70S-6 0.045" 44 lb welding wire

SKU CH-0AWV-8NWJH

ER70S-6 carbon-steel MIG wire, 0.045 in diameter, 44 lb spool, 81–84 ksi tensile strength for GMAW welding

  • TypeWelding Supplies
  • ER70S-6 carbon-steel wire suits general MIG fabrication
  • 045 in diameter feeds smoothly through standard guns
  • 44 lb spool reduces change-overs on long runs
  • Tensile strength reaches 81 ksi with 100 % CO₂ shielding
  • Minimum yield strength of 58 ksi meets AWS classification

Lincoln Electric ER70S-6 MIG wire

Lincoln Electric ED025946 ER70S-6 0.045" 44 lb welding wire is a carbon steel MIG welding wire for GMAW processes. It suits fabricators and automotive technicians who need a reliable consumable for general steel joining tasks.

Tensile and yield strength values

Tensile strength measures 81 ksi with 100 percent carbon dioxide, 82 ksi with 75 percent argon/25 percent carbon dioxide, 84 ksi with 90 percent argon/10 percent carbon dioxide, and 82 ksi with 98 percent argon/2 percent oxygen. Minimum required yield strength is 58 ksi.

California Proposition 65 notice applies

This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. The item is restricted from sale in certain states and ships directly from the supplier.

Highlights

  • ER70S-6 carbon-steel wire suits general MIG fabrication
  • 045 in diameter feeds smoothly through standard guns
  • 44 lb spool reduces change-overs on long runs
  • Tensile strength reaches 81 ksi with 100 % CO₂ shielding
  • Minimum yield strength of 58 ksi meets AWS classification

Specifications

BrandLINCOLN ELECTRIC
TypeWelding Supplies

Questions about this item

How do I install the 0.045 in ER70S-6 wire on my MIG welder, and what step is often missed?

Match the 0.045 in drive rolls and liner to the wire diameter, set tension so the wire feeds without slipping, and verify the contact tip is sized for 0.045 in — the step most often missed is confirming the liner length matches the gun.

What maintenance or replacement will the 44 lb spool of ER70S-6 wire need later?

Replace the spool when the 44 lb of ER70S-6 carbon steel wire is consumed; periodically clean or change the contact tip and liner to prevent feeding issues caused by copper coating buildup.

What limit appears first when running the ER70S-6 wire at high amperage for long periods?

The 0.045 in diameter reaches its current-carrying capacity before larger wires, so the contact tip overheats and wears faster, requiring more frequent tip changes during sustained high-output MIG welding.

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