SuperArc® G4Si1 is one of Lincoln Electric’s premium copper-coated MIG welding wires, designed for fabricators who need a U.S.-manufactured solid wire that meets the G4Si1 conformance requirements under EN ISO standards. Engineered for strength, consistency, and clean weld performance, this wire delivers excellent results across fabrication, manufacturing, and general steel welding applications.
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Higher strength than typical ER70S-6 wires to support conformance to both AWS and EN ISO standards
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Excellent toe-wetting for optimal bead appearance
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Copper coating delivers superior arc-starting performance and extends contact tip life
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Supports short-circuiting, globular, axial spray, and pulsed spray transfer
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MicroGuard® Ultra surface treatment provides superior feeding performance and outstanding arc stability