ER120S -1 is used for a variety of steels where high strength and ductility are critical. It is designed to provide high notch toughness, yield strength, and impact resistance.

Typical Applications
Welding all steels in the 100,000 psi range including T-1 and HY-100

AWS Specification           
A5.28

AWS Classification            
ER120S-1

Welding Current
GMAW-DCEP

Typical Wire Certification
C         0.07
Si        0.50
Mn       1.70
Cr        0.40
Mo       0.50
Ni        2.40

Typical Mechanical Properties (As Welded)
Yield Strength, psi . . . . . . . . . . . 105,000
Tensile Strength, psi . . . . . . . .  120,000
% Elongation in 2” . . . . . . . . . . . . . . . 14

Welding Positions
All

Shielding Gas
CO2 or Ar/O₂ mix

Available Diameters
Spooled: .035”, & .045”
36” lengths: .035”, .045”, 1/16”, 3/32”, 1/8” & 5/32”

Operating Range in Diameters
.035”    100 – 150
.045”    150 – 200

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