ER70S-6

Class: ER70S-6
AWS: A5.18

Conforms to Certification: AWS A5.18 | ASME SFA A5.18

Weld Process Used for Tig: (GTAW)

AWS Chemical Composition Requirements
C = 0.06 – 0.15 Ni = 0.15 max
Mn = 1.40 – 1.85 Cr = 0.15 max
Si = 0.80 – 1.15 Mo = 0.15 max
P = 0.025 max V = 0.03 max
S = 0.035 max Cu = 0.50 max

Available Sizes
.035 X 36
.045 X 36
1/16 X 36
3/32 X 36
1/8 X 36
5/32 X 36

Application
Type ER70S-6 is a wire with higher levels of Deoxidizers (Mn & Si) compared to other carbon steel wires. This wire is suitable for welding of steels with moderate amounts of scale or rust.

For Tig welding use 100% Argon

Deposited Chemical Composition % (Typical)
C = 0.09 P = 0.012 Si = 0.95
Mn = 1.65 S = 0.018 Cu = 0.35
Deposited All Weld Metal Properties % (As Welded) 
Tensile Strength 78,000 psi
Yield Strength 65,500 psi
Elongation 24%

Deposited Charpy-V-Notch Impact Properties %
45 ft. lbs. (at -20ºF)