ER70S3 is a general purpose MIG wire suitable for many carbon steel welding applications. It is a silicon and manganese deoxidized wire making it excellent for general fabrication. This product requires a shielding gas: CO2 and/or CO2 mix.
Typical Applications
General fabrication
Metal furniture
Sheet metal
Ornamental iron fabrication
Farm equipment
Auto frames
AWS Specification
AWS A5.18
AWS Classification
ER70S3
Welding Current for MIG process
DCEP (Electrode Positive, Reverse Polarity)
Typical Wire Chemistry
C 0.07
Si 0.70
Mn 01.10
Typical Mechanical Properties (As Welded)
Yield Strength, psi 62,400
Tensile Strength, psi 75,500
% Elongation in 2" 30.7
Welding Positions
All Positions
Shielding Gas
CO2 or
75% Ar/25% CO2
Available Diameters
Spooled: .023”, .030”, .035”, & .045”
36” lengths: .035”, .045”, 1/16”, 3/32”,
1/8”, & 5/32”
Operating Range In Amps
.023” 35 – 70
.030” 50 – 100
.035” 100 – 150
.045” 150 – 200 |