Call Us Today: 800-523-1266

103 Queens Drive | King of Prussia, PA

            ISO 9001:2015 Certified

ER70S-3

Class: ER70S-3

AWS: A5.18

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

Weld Process Used for Mig (GMAW)

AWS Chemical Composition Requirements
C = 0.06 – 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
.023 X 11#, 33#
.035 X 11#, 33#
.045 X 11#, 33# & 60# Coils

Application
Type ER70S-3 is a 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 = 0.07 P = 0.012 Si = 0.52
Mn = 1.19 S = 0.022 Cu = 0.40

 

Deposited All Weld Metal Properties % (As Welded) 
Tensile Strength 75,500 psi
Yield Strength 61,500 psi
Elongation 23%

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

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 – 120 149 – 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