OK Autrod 19.49

OK Autrod 19.49 is a continuous solid copper‑nickel MIG/TIG welding wire designed for overlay welding of steels and Cu‑Ni components, especially in desalination plant applications.

Key Features

• Copper‑nickel alloy (30 % Ni) for superior strength and corrosion resistance in salt water
• Compatible with shielding gases I1, I2, I3 (EN 439)
• Available in 0.8 mm, 1.0 mm and 1.2 mm diameters
• Provides high tensile strength and good elongation

Specifications

• Alloy Type: Alloyed copper (Cu + 30 % Ni)
• Shielding Gas: I1, I2, I3 (EN 439)
• Yield Strength: 180 MPa (as welded)
• Tensile Strength: 350 MPa (as welded)
• Elongation: 40 % (as welded)
• Typical Wire Composition: C 0.02 %, Mn 0.7 %, Si 0.05 %, Ni 31 %, Cu balance, Fe 0.5 %
• Wire Diameter & Parameters:
  • 0.8 mm – 60‑165 A, 13‑17.5 V, 4.0‑13.0 mm/min
  • 1.0 mm – 80‑210 A, 12.5‑18 V, 4.0‑12.0 mm/min
  • 1.2 mm – 150‑320 A, 16‑29 V, 5.0‑11.5 mm/min

Applications

• Overlay welding of steel structures
• Welding Cu‑Ni components for desalination plants
• General MIG/TIG welding of copper‑nickel alloys