Crown Alloy .045 x 2# ER 100S-1 High-Strength Steel (ER 100S-1) MIG 2 lb SPOOL (MS100/1G)

Crown Alloy ER 100S-1 high-strength steel MIG welding wire delivers exceptional tensile strength for demanding structural applications. This .045-inch diameter wire on a convenient 2-pound spool provides excellent arc characteristics and penetration for welding high-strength, low-alloy steels. Ideal for heavy construction, pressure vessels, and critical fabrication work requiring superior mechanical properties. Compatible with CO2 or argon-CO2 shielding gas mixtures for optimal performance.