600MPa high-strength copper plated welding wire is used for welding low-carbon steel (such as O420, 0460, etc.)
700MPa high-strength copper plated welding wire, suitable for welding 700MPa high-strength steel and low-alloy structural steel
750MPa high-strength copper plated welding wire, used for welding 750MPa high-strength steel and low-alloy structural steel
750MPa high-strength copper plated welding wire, used for welding 750MPa high-strength steel and low-alloy structural steel