Lincoln UltraCore 71A85 .045 inch welding wire is a premium E71T-1 flux-cored welding wire engineered specifically for high Argon mixed gas applications. Optimized for use with 75–85% Argon/balance CO2, this wire delivers exceptional arc stability, smooth operability, and superior bead appearance. Its fast-freezing slag enhances control during out-of-position welding, making it an ideal choice for shipbuilding, seismic structural fabrication, and demanding general fabrication environments. With ProTech® foil bag packaging and options that meet Buy America and AIS requirements, UltraCore® 71A85 offers high performance with trusted reliability.
- Fast-freezing slag for excellent out-of-position weldability
- Engineered for 75–85% Argon/balance CO2 shielding gas
- Premium arc performance with smooth, consistent bead appearance
- ProTech® foil bag packaging for enhanced product protection
- Select packaging and diameters meet Buy America & American Iron & Steel (AIS) requirements
- Meets AWS D1.8 seismic lot waiver requirements
- Note: AWS D1.8 structural steel seismic supplement data is available in the Lincoln Electric Certificate Center.
Typical Applications
- Shipbuilding
- Seismic structural fabrication
- General fabrication
Welding Positions
- All
Shielding Gas
- Mixed Shielding Gas






