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  • ER70S-6 welding wire

    ER70S-6 wire is a kind of mild steel copper coated  wire, suitable for 100% CO2 and argon and CO2 mixed gas protective  with stable feasibility, good welding seams, less spatters and excellent welding process properties. Suitable for all-position  work. Diameter: 0.8 mm, 1.2mm ,Coil weight: 5Kg and 15 Kg

     Welding wire Applications:

    Wire ER70S-6 used to welding ship building steel (A , B, D, E, A36, D36, E36) and equivalent mild steel or 550Mpa grade mild alloy steel, such as container buildings, bridge building, machinery manufacturing, railway construction, pressure vessels for semi-auto or automatic gas shielded  and general  purposes etc.

    3) Conform with :

    GB/T 8110 ER50-6                    ISO 636-A-W 42 3 W3SIL

    AWS A5.18 ER70S-6                 ISO 636-B-W 49A 3 W6

    BS EN 1668-W 42 3 W3SIL     JIS Z3316 YGT50


    Chemical Composition (%) C Mn Si P S Cu
    0.06-0.15 1.40-1.85 0.80-1.15 ≤0.025 ≤0.035 ≤0.50
    Mechanical Properties
    Deposited Metal
       Yield strength(Mpa) Tensile strength(Mpa) Elongation(%) AKV (J)
    ≥420 ≥500 ≥22 ≥27(-30℃)

    Welding wire properties

    Mechanical Properties of All Weld Metal: (CO2)

    Items Rm/MPa Rel/Rp0.2 /MPa A/% K2(-30℃) /J
    Requirements ≥500 ≥420 ≥22 ≥27
    Typical Results 540 450 26 100

    It is typically used for single arc or tandem applications for pipe welding, pressure vessels, steel buildings and structural steel .  suitable for butt and fillet welding in all positions.The Wire features great feed ability at low and high amps, longer torch consumable life – i.e. contact tips and liners, greater productivity especially for automated processes. It is excellent for mild steel and galvanized materials and safer to weld with as it produces less hazardous fumes and low spatter.It welds great with normal MIG gases.

    wire photo

    welding wire ER70s-6welding wire

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