UltraCore 712C 1/16 inch welding wire is engineered for demanding tank fabrication and shipbuilding applications using straight CO2. As a versatile E71T-12 flux-cored electrode, UltraCore® 712C delivers consistently high impact toughness — even with a 2.5 mm notch offset — making it ideal for critical structural, offshore, and ASME-related welding projects.
- Produces weld deposits with impact toughness exceeding 27 J (20 ft·lbf) at -40°C (-40°F)
- Specifically designed for optimal performance with 100% CO2 shielding gas
- Delivers premium arc stability, smooth metal transfer, and excellent bead appearance
- Packaged in ProTech® foil bags to protect wire quality and maintain consistency
Typical Applications
- Bridge fabrication
- Pressure vessels
- Shipbuilding
- Offshore structures
- ASME-related welding applications
Welding Positions
- All
Shielding Gas
- 100% CO2






