UltraCore® 81Ni1A75-H 0.045 in Flux-Cored Welding Wire is engineered for high-strength, low-alloy steel applications and optimized for use with 75–85% Argon / balance CO₂ shielding gas. This mixed-gas formulation enhances arc stability, reduces spatter, and produces a smooth, flat weld bead—making it an excellent choice for demanding structural, seismic, and offshore fabrication projects.
- Delivers exceptional impact toughness, exceeding 88–123 J (65–91 ft·lbf) at -40°C (-40°F)
- Optimized for welding with 75–85% Argon / balance CO₂ mixed shielding gas
- Stable arc performance with excellent bead appearance and reduced spatter
- Meets AWS D1.8 seismic lot waiver requirements for structural steel applications
- Packaged in ProTech® foil bags for enhanced moisture resistance
- Available in select diameters and packaging meeting Buy America & American Iron & Steel (AIS) compliance
Typical Applications
- Bridge and structural steel fabrication
- Weathering steels
- Offshore and marine structures
- General structural fabrication
- NACE-related applications
Welding Positions
All
Shielding Gas
Mixed Shielding Gas (75–85% Argon / balance CO₂)


