OK Autrod NiCrMo-4

OK Autrod NiCrMo-4 is a corrosion‑ and heat‑resistant nickel‑chromium welding wire for submerged arc welding of high‑alloyed, heat‑resistant and corrosion‑resistant steels, offering high notch toughness at low temperatures.

Key Features

• Designed for SAW of high‑alloy steels, 9Ni steels and similar grades
• Compatible with OK Flux 10.99, 10.90 or 10.16
• Available in standard spools and ESAB Marathon Pac bulk drums for high‑volume production
• Manufactured at ESAB’s Vamberk Centre of Excellence (Czech Republic)

Specifications

• Classifications: SFA/AWS A5.14 ERNiCrMo-4, EN ISO 18274 S Ni 6276 (NiCr15Mo16Fe6W4)
• Typical wire composition (wt%): C 0.01, Mn 0.45, Si 0.05, S 0.003, P 0.005, Ni balanced, Cr 15.5, Mo 16.1, V 0.003, Cu 0.03, Co 0.1, W 3.5, Fe 5.8

Applications

• Submerged Arc Welding (SAW) of high‑alloy and heat‑resistant steels
• Cladding and overlay applications requiring corrosion resistance
• Production welding where high weld quality and low temperature performance are critical