ER70S-2

Class: ER70S-2
AWS: A5.18

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

Weld Process Used for Mig: (GMAW)

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 2#, 11#, 33#
.045 x 2#, 11#, 33#
1/16 x 33#

Application
Type ER70S-2 is a triple deoxidized steel welding wire for tig and mig welding applications.

For Mig welding use Carbon Dioxide or Argon + Co2 or Argon + 2% Oxygen as shielding gases.

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)

Recommended Welding Parameters (GMAW “Mig Process”)
	Wire Diameter	Volts	Amps	IPM
Short Arc Welding	.030	16 – 18	75 – 125	176 – 324
	.035	15 – 18	100 – 160	132 – 228
	.045	17 – 18	100 – 220	149 – 208
Spray Arc Welding	.030	26 – 28	200	560
	.035	27 – 29	250	504
	.045	28 – 31	265	336
	.052	29 – 31	300 – 340	280 – 350
	1/16	30 – 36	350 – 400	220 – 280