OK Autrod 5556A

OK Autrod 5556A is a continuous solid MIG/TIG wire designed for aluminium alloys with ≥5.0 % Mg, offering high tensile strength and excellent corrosion resistance in marine environments.

Key Features

• Best‑in‑class aluminium MIG/TIG performance with optimized chemistry for good weld appearance.
• Reduces aluminium shavings by up to 99%, minimizing liner clogs and maintenance.
• Suitable for non‑age‑hardenable Al‑Mg alloys where higher tensile strength is required.

Specifications

• Alloy Type: AlMgMn
• Shielding Gas: I1, I2, I3 (EN ISO 14175)
• Yield Strength: 145 MPa (as welded)
• Tensile Strength: 295 MPa (as welded)
• Elongation: 25 %
• Charpy Impact: 24 J at 20 °C (as welded)
• Typical Composition %: Mn 0.68, Si 0.05, Cr 0.10, Cu 0.01, Ti 0.08, Fe 0.12, Mg 5.2
• Wire Diameters & Parameters:
  • 1.0 mm → 90‑290 A, 15‑26 V
  • 1.2 mm → 140‑260 A, 20‑29 V
  • 1.6 mm → 190‑350 A, 25‑30 V
  • 2.4 mm → 280‑400 A, 26‑31 V

Applications

• Welding of aluminium alloys with ≥5 % Mg that are not age‑hardenable.
• Marine environments requiring high corrosion resistance.
• Projects needing higher tensile strength aluminium welds.