Class: ER70S-2

AWS: A5.18

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

Weld Process Used for Tig (GTAW)

AWS Chemical Composition Requirements
C = 0.07 max	Ni = 0.15 max	Cu = 0.50 max
Mn = 0.90 – 1.40	Cr = 0.15 max	Ti = 0.05 – 0.15
Si = 0.40 – 0.70	Mo = 0.15 max	Zr = 0.02 – 0.12
P = 0.025 max	V = 0.03 max	Al = 0.05 – 0.15
S = 0.035 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-2 is a triple deoxidized steel welding wire for tig and mig welding applications.

For Tig welding use 100% Argon

Deposited Chemical Composition % (Typical)
C = 0.05	P = 0.012	Al = 0.09
Mn = 1.15	Ti = 0.06	Cu = 0.35
Si = 0.45	S = 0.012	Zr = 0.04

 

Deposited All Weld Metal Properties % (As Welded)
Tensile Strength	74,800 psi
Yield Strength	62,000 psi
Elongation	24%

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