OK Autrod NiCrMo-3

The OK Autrod NiCrMo-3 is a bare, corrosion and heat-resisting Ni-Cr-Mo filler wire designed for welding high-alloyed heat-resisting materials, 9% nickel steels, and dissimilar metal joints. It delivers excellent mechanical performance across extreme temperature ranges and superior corrosion resistance.

Key Features

• High resistance to pitting and stress corrosion cracking
• Maintains toughness and strength at both cryogenic and elevated temperatures
• Available in multiple diameters (0.9 mm to 1.6 mm) for versatile GMAW/GTAW processes
• Meets SFA/AWS A5.14 and EN ISO 18274 international standards

Specifications

• Classifications: SFA/AWS A5.14 ERNiCrMo-3, EN ISO 18274 S Ni 6625
• Alloy Composition: Ni + 22% Cr + 9% Mo - 3.5% Nb
• Shielding Gases: I1, I3, M12 (EN ISO 14175)
• Tensile Strength: 580 - 796 MPa (varies by post-weld heat treatment)
• Elongation: 40 - 48%
• Impact Value: 110 - 185 J

Applications

• Welding of 9%Ni steels and similar low-temperature notch-tough alloys
• Joining dissimilar metals including non-alloyed and low-alloyed steels
• Weld cladding of oil & gas industry valve components and pipe inner diameters