Description
ER70S-3 is a premium mild steel solid wire, with silicon and manganese levels suitable for general purpose welding over clean to light levels of rust and mill scale. 70S-3 has the flexibility to provide trouble-free performance in heavy-duty, high-speed spray or pulse applications to lighter duty, lower speed short-arc applications. GMAW is designed for use with various gas mixtures such as CO2 ,75/25 Ar/CO2 or 98/2 Ar/O2. 70S-3 produces a smooth stable arc with low spatter, producing a weld bead that ties in evenly with the sides and has a smooth finished appearance.
| Cu | C | Ni | S | Other | V | Cr | Fe | Mn | Mo | Si | P |
| .50 max | .06-.15 | 0.15 max | .035 max | .50 max | 0.03 max | 0.15 max | bal. | 0.90-1.40 | 0.15 max | 0.45-0.75 | 0.025 max |
- Specifications: AISI/AWS A5.18, ASME SFA 5.18
- Classification: ER 70S-3
- Type of Power: GMAW-DCEP, GTAW-DCEN
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