ER50G is a gas shielded copper plated welding wire that can be protected by CO2 or argon rich gas during welding.
ER50-C is a copper plated gas shielded welding wire for carbon steel and low-alloy steel.
G4Si1 is a gas shielded copper plated welding wire that can be protected by CO2 or argon rich gas during welding.
ER55-1 is a high-strength weather resistant steel copper plated welding wire, protected by rich argon gas.