Hobart FabCO 81N1 is a 3/32-inch low-alloy flux-cored wire for gas-shielded FCAW, classified to AWS A5.29 E80T1-Ni1CJ H8/-Ni1MJ H8. It supports single- and multiple-pass applications with 100% CO2 or 75-80% argon/20-25% CO2 shielding gas, and can be used in flat, horizontal, vertical-up, vertical-down, and overhead positions. Its applications include petrochemical work, weathering steels, mining, and earthmoving equipment.