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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 (%)

ElementCMnSiSPCuCrNiMoV
Typical0.0751.450.880.0130.0150.200.200.0210.0070.008

Mechanical Properties of Deposited Metal (AW)

PropertyTENSILE STRENGTH RM (MPa)YIELD STRENGTH REL (MPa)ELONGATION A (%)-30°C IMPACT ENERGY KV2 (J)Shielding Gas
Typical5504303090100% CO₂
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