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Copper Coated

JACKSUN MIG 70S6

AWS/ASME: A5.18 ER70S-6

JACKSUN MIG 70S6 is a copper-coated solid wire suitable for MIG/MAG and TIG welding of carbon steels and low alloy steels.

  • High silicon and manganese content improves deoxidation.
  • Excellent for welding over light rust, scale, or oily surfaces.
  • Produces smooth bead appearance with low spatter.
  • Suitable for structural steel, pressure vessels, pipelines, and automotive fabrication.
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Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiSPCrNiMo
0.06 – 0.151.40 – 1.850.80 – 1.15≤ 0.035≤ 0.025≤0.15≤0.15≤0.15

2. Typical Mechanical Properties

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ -30 °C)
Requirement (AWS A5.18)≥ 500≥ 420≥ 22≥ 27
Typical Values520 – 560440 – 48026 – 3060 – 80

3. Recommended Welding Parameters — AWS A5.18 ER70S-6

Welding PositionCurrent (A)Voltage (V)Shielding GasGas Flow (L/min)
Flat / Horizontal150 – 30022 – 32CO₂ / Ar+CO₂ (75/25)12 – 20
Vertical / Overhead100 – 22020 – 28CO₂ / Ar+CO₂ (75/25)12 – 18
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