ER70S-3

Class: ER70S-3
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 = 0.90 – 1.40 Cr = 0.15 max
Si = 0.45 – 0.75 Mo = 0.15 max
P = 0.025 max V = 0.03 max
S = 0.035 max Cu = 0.50 max

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

Application
Type ER70S-3 is a welding wire for tig and mig welding applications.

For Tig welding use 100% Argon.

Deposited Chemical Composition % (Typical)
C = 0.07 P = 0.012 Si = 0.52
Mn = 1.19 S = 0.022 Cu = 0.40
Deposited All Weld Metal Properties % (As Welded) 
Tensile Strength 75,500psi
Yield Strength 61,500psi
Elongation 23%

Deposited Charpy-V-Notch Impact Properties %
35 ft. lbs. (at 0ºF)