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Aluminium Alloy

JACKSUN ALLOY 4043

AWS/ASME: A5.10 ER4043

JACKSUN ALLOY-4043 is a solid aluminium-silicon MIG/TIG wire designed for welding aluminium and its alloys.

  • Suitable for automotive, aerospace, marine, and general fabrication applications.
  • Provides excellent corrosion resistance and smooth bead appearance.
  • Offers good fluidity, minimal porosity, and excellent arc stability.
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Technical Data

Product Specifications

1. Typical Chemical Composition

SiFeCuMnMgZnTiAl
4.5 – 6≤ 0.8≤ 0.25≤ 0.05≤ 0.05≤ 0.10≤ 0.20Balance

2. Typical Mechanical Properties of Weld Metal

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)
Requirement (AWS A5.10 ER4043)≥ 165≥ 70≥ 8
Typical Values140 – 26575 – 19510 – 15

3. Recommended Welding Parameters — AWS A5.10 ER4043

Welding PositionCurrent (A)Voltage (V)Shielding GasGas Flow (L/min)
Flat / Horizontal120 – 25018 – 22100% Ar12 – 20
Vertical / Overhead100 – 20016 – 20100% Ar10 – 18
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