ER70S-6 Welding Wire
ER70S-6 welding wire delivers excellent welding performance with good low-temperature impact toughness in the weld metal. It is primarily used for butt and fillet welding of structures fabricated from shipping steels and low-alloy steels, including ships, containers, vehicles, and construction or engineering machinery.
Key Specifications
Welding Positions: Flat (F), Horizontal (H), Horizontal Fillet (HF), Overhead (OH), Vertical (V)
Compatible Current: DCEP
Usage Notices:
Keep the wire dry and properly packaged to prevent rust.
Use pure shielding gas, free of moisture, to avoid welding defects.
Ensure surfaces are clean and free of oil, rust, and moisture.
Heat input affects weld metal properties; follow proper welding procedures and project-specific qualifications.
Chemical Composition of Deposited Metal (%)
| Element | C | Mn | Si | S | P | Cu | Cr | Ni | Mo | V |
|---|---|---|---|---|---|---|---|---|---|---|
| Typical | 0.075 | 1.45 | 0.88 | 0.013 | 0.015 | 0.20 | 0.20 | 0.021 | 0.007 | 0.008 |
Mechanical Properties of Deposited Metal (AW)
| Property | TENSILE STRENGTH RM (MPa) | YIELD STRENGTH REL (MPa) | ELONGATION A (%) | -30°C IMPACT ENERGY KV2 (J) | Shielding Gas |
|---|---|---|---|---|---|
| Typical | 550 | 430 | 30 | 90 | 100% CO₂ |