ER70S-2
Alloy Type: A5.18, CARBON STEEL Filler Metals for Gas Shielded Arc Welding
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 | ||||||||||||