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.
ER55-D2-Ti is a gas shielded copper plated low-alloy welding wire that can be protected with CO2 gas.
ER55-D2 is a 550-740MPa grade low-alloy steel copper plated gas shielded welding wire, which uses CO2 or argon rich gas protection.
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