Lincoln UltraCore HD-C 1/16 in is a high-deposition, all-position E71T-1 gas-shielded flux-cored welding wire engineered for exceptional productivity and operator control. Its fast-freezing slag system makes it easy to maintain high deposition rates, even in out-of-position welds, while delivering smooth, flat bead profiles and reliable performance. Designed exclusively for use with 100% CO2 shielding gas, this wire offers strong arc stability and excellent results on light rust, mill scale, or primer-coated steel.
- High Deposition Rates – achieve up to 10 lbs/hr out-of-position for maximum productivity
- Flat Bead Appearance – fast-freezing slag produces clean, flat beads in all welding positions, including vertical up
- Wide Operating Range – operators can use a single machine setting across all weld positions
- Minimal Pre-Weld Cleaning Required – performs effectively over light rust, mill scale, and primer
- Available in select packaging and diameters meeting Buy America & American Iron & Steel (AIS) requirements
Typical Applications
- Shipbuilding
- Structural Fabrication
- General Fabrication
Welding Positions
- All
Shielding Gas
- 100% CO2








