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Lincoln Electric
Lincoln Electric ED032923 ER70S-3 0.03" 33 lb welding wire
Carbon-steel MIG wire, ER70S-3, 0.03 in diameter, 33 lb spool for general fabrication
- TypeWelding Supplies
- ER70S-3 classification suits general carbon steel fabrication
- 03 in diameter feeds smoothly through MIG guns
- 33 lb spool supports extended production runs
- Tensile strength reaches 79 ksi with 90 % argon / 10 % CO2
- Minimum yield strength rated at 58 ksi for reliable joints
Lincoln Electric ER70S-3 MIG Wire
This Lincoln Electric ER70S-3 welding wire is a carbon steel consumable designed for MIG welding processes. It comes in a 33 lb package suited for fabrication and repair work. The product is new and classified under welding supplies for automotive and specialty tool applications.
0.03 in Diameter for Thin Material
The wire diameter measures 0.03 in, which determines suitability for thinner base metals and lower amperage settings. This specific size targets sheet metal and light gauge steel applications where heat input must be controlled. Buyers needing to weld thicker plate or structural sections should select a larger diameter wire.
Prop 65 Warning for California
The product carries a California Proposition 65 warning for chemicals known to cause cancer and reproductive harm. No additional accessories, software, or shielding gas are included with the wire spool. Users must supply appropriate MIG equipment and shielding gas mixtures separately.
Highlights
- ER70S-3 classification suits general carbon steel fabrication
- 03 in diameter feeds smoothly through MIG guns
- 33 lb spool supports extended production runs
- Tensile strength reaches 79 ksi with 90 % argon / 10 % CO2
- Minimum yield strength rated at 58 ksi for reliable joints
Specifications
| Brand | LINCOLN ELECTRIC |
|---|---|
| Type | Welding Supplies |
Questions about this item
What does the ER70S-3 classification mean for tensile strength in a real weld?
The wire delivers 75 ksi tensile strength with 100% CO₂, 76 ksi with 75% Ar/25% CO₂, 79 ksi with 90% Ar/10% CO₂ and 78 ksi with 98% Ar/2% O₂.
Which shielding-gas mixes does the ER70S-3 wire support and what strength does each cap at?
Approved mixes are 100% CO₂, 75% Ar/25% CO₂, 90% Ar/10% CO₂ and 98% Ar/2% O₂, with tensile strengths of 75, 76, 79 and 78 ksi respectively.
What spool size and wire diameter must the feeder accommodate for this 33 lb package?
The spool contains 33 lb of 0.03 in diameter carbon-steel wire; the feeder must accept that diameter and the spool weight.
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