Product Catalog

ER70S-2


Alloy Type:

ER70S2 is a premium MIG & TiG wire for welding on all grades of mild and carbon steels, producing quality welds with minimal porosity.  It is a triple deoxidized wire (Zirconium, Titanium, and Aluminum) making it an excellent choice for welding over rust and mill scale.  No flux is required with this product.

Typical Applications:  pipes and offshore drilling rigs, structural steel work

 

Welding Position:              F, V, OH, H Current:

DCEP

 

Tensile Strength, kpsi: 70
Yield Strength, kpsi: 58
Elongation in 2”%: 22

Typical Charpy V-Notch:  35 ft.-lb.  At -20 deg F

Typical Wire Chemistry as per AWS A5.18 (single values are maximum)

C Mn Si P S Ni Cr Mo V Cu Ti Zr Al
0.07 0.90-1.40 0.40-0.70 0.025 0.035 0.15 0.15 0.15 0.03 0.50 0.05-0.15 0.02-0.12 0.05-0.15
Typical Welding Parameters
Diameter Process Volt Amps Shielding Gas
in (mm)
 .035  (0.9) GMAW  28-32 165-200 Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
 .045  (1.2) GMAW  30-34 180-220 Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
 1/16  (1.6) GMAW  30-34 230-260 Spray Transfer 98% Argon+2% Oxygen or 75% Argon+25% CO2
 .035  (0.9) GMAW  22-25 100-140  Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO2
 .045  (1.14) GMAW  23-26 120-150 Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO
 1/16  (1.6) GMAW  23-26 160-200  Short Circuiting Transfer 100% CO2 or 75% Argon +25% CO
.035 (0.9) GTAW 13-16 60-100 100% Argon
.045 (1.14) GTAW 13-16 70-120 100% Argon
 1/16  (1.6) GTAW  12-15 100-125  100% Argon
 3/32  (2.4) GTAW  15-20 125-175 100% Argon
 1/8  (3.2) GTAW  15-20 175-250 100% Argon

 

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