
Product details
SuperArc® LA-90™ is a premium, copper-coated low-alloy MIG (GMAW) wire from Lincoln Electric designed to meet 80,000–90,000 psi tensile strength requirements for higher-strength steel applications. Classified to AWS A5.28 ER80S-D2 / ER90S-D2, LA-90 delivers strong, consistent as-welded mechanical performance across common shielding gas mixes, including 100% CO₂ and argon/oxygen blends, with DC+ polarity. This listing is 0.045 in (1.1 mm) diameter, packaged in a 500 lb Accu-Trak® drum for high-volume production and reduced changeovers.