The 71T-1C/1M designation refers to a flux-cored arc welding (FCAW) electrode designed for all-position welding of carbon and low-alloy steels with a minimum tensile strength of 70,000 psi (490 MPa).The “C” indicates it is classified for use with 100% CO₂ shielding gas, while the “M” indicates it is also approved for use with 75–80% Ar / 20–25% CO₂ blends
The 71T-1C/1M designation refers to a flux-cored arc welding (FCAW) electrode designed for all-position welding of carbon and low-alloy steels with a minimum tensile strength of 70,000 psi (490 MPa).The “C” indicates it is classified for use with 100% CO₂ shielding gas, while the “M” indicates it is also approved for use with 75–80% Ar / 20–25% CO₂ blends
