OK Autrod 5556

OK Autrod 5556 is a continuous solid MIG wire designed for aluminium alloys up to approx. 5 % Mg that are not age‑hardenable, providing high tensile strength and excellent corrosion resistance in marine environments.

Key Features

• Best‑in‑class aluminium MIG wire with optimized chemistry for superior weld appearance
• Eliminates aluminium shavings by up to 99 %, reducing clogged liners and maintenance
• Available in multiple diameters (1.0 mm, 1.2 mm, 1.6 mm) and tensile‑strength grades

Specifications

• Classifications: SFA/AWS A5.10 ER5556, EN ISO 18273 S Al 5556A (AlMg5Mn1Ti)
• Approvals: ABS ER 5556, BV WC, ClassNK KA15WCG (I), CWB ER5556
• Alloy type: AlMgMn
• Shielding gas: I1, I2, I3 (EN ISO 14175)
• Tensile strength (as welded): Yield 145 MPa, Tensile 295 MPa, Elongation 25 %
• Charpy impact (as welded, 20 °C): 24 J
• Typical composition (%): Mn 0.7, Si 0.05, Cr 0.10, Cu 0.01, Ti 0.080, Zn 0.005, Fe 0.12, Mg 5.2
• Deposition data (1.0 mm): 90‑180 A, 22‑26 V, 7‑14 m/min, 0.9‑1.8 kg/h
• Welding parameters (1.2 mm): 140‑300 A, 20‑29 V; (1.6 mm): 190‑350 A, 21‑30 V

Applications

• Welding of non‑age‑hardenable aluminium alloys with up to 5 % Mg
• Marine environment applications requiring high corrosion resistance
• Structural components where higher tensile strength is needed