OK Ni-1

OK Ni-1 is a stick electrode designed for joining commercially pure nickel in wrought and cast forms, as well as dissimilar metal combinations such as nickel‑to‑steel, nickel‑to‑copper, and copper‑to‑steel. It can also be used for surfacing steel.

Key Features

• Best‑in‑class covered electrode for nickel
• Vacuum‑packed (VacPac) packaging protects against moisture
• Suitable for cryogenic, oil & gas, and refineries
• Consistent quality and corrosion resistance

Specifications

• Classifications: SFA/AWS A5.11 ENi-1, EN ISO 14172 E Ni 2061 (NiTi3)
• Welding Current: DC+
• Alloy Type: Nickel‑base
• Coating Type: Lime Basic
• Yield Strength (As Welded): 330 MPa
• Tensile Strength (As Welded): 470 MPa
• Elongation (As Welded): 30 %
• Typical Weld Metal Composition: Ni 96 %, Fe 0.4 %, C 0.04 %, Mn 0.4 %, Si 0.7 %, Al 0.10 %, Ti 1.5 %
• Diameter & Amps: 2.5 mm × 300 mm (70‑95 A), 3.2 mm × 350 mm (90‑135 A)
• Efficiency: 55 %
• Deposition Rate: 0.8 kg/h (2.5 mm), 1.2 kg/h (3.2 mm)

Applications

• Welding of pure nickel and nickel alloys
• Dissimilar metal welding (nickel‑steel, nickel‑copper)
• Surface cladding and surfacing of steel
• Cryogenic and oil & gas equipment fabrication