Exaton Ni41Cu (GMAW)

Exaton Ni41Cu welding wire is a nickel‑iron‑chromium‑molybdenum‑copper alloy designed for overlay and dissimilar metal welding in highly corrosive environments.

Key Features

• Excellent resistance to stress corrosion cracking in chloride and reducing acid environments
• Suitable for overlay welding, dissimilar joining of stainless steels to nickel alloys, hot‑wire TIG and mechanized TIG
• Consistent chemistry and mechanical properties batch‑to‑batch
• Available in 20‑25 kg steel drums with low‑moisture SAW flux

Specifications

• Classifications: SFA/AWS A5.14 ERNiFeCr‑1, EN ISO 18274 S Ni 8065 (NiFe30Cr21Mo3)
• Alloy type: Nickel alloy (22 % Fe, 22 % Cr, 3 % Mo)
• Shielding gas: I1, I3, M12 (EN ISO 14175)
• Tensile (As Welded): Yield 355 MPa, Tensile 560 MPa, Elongation 47 %
• Charpy impact (As Welded): 220 J @ 20 °C, 215 J @ ‑10 °C, 190 J @ ‑196 °C
• Wire diameters & parameters:
  • 1.2 mm: 150‑260 A, 24‑29 V, 3.0‑10.0 mm/min
  • 1.6 mm: 230‑350 A, 25‑30 V, 3.0‑5.0 mm/min

Applications

• Corrosion‑resistant alloy surfacing for chemical, pollution control, oil & gas, petrochemical industries
• Overlay of tanks, heat exchangers, evaporators, transport pipes, scrubbers
• Sour‑gas service and environments containing sulphuric or phosphoric acids