Description： AWS A5.18-05 : Er70s-6 60 Spools Of 0.045" 44 Lbs Spool. Typical Chemical Composition Of Wire (%) C : 0.07 / Si : 0.86 / Mn : 1.53 / P : 0.012 / S : 0.007 Typical Mechanical Properties Of All-Weld Metal Y.S : 450 Mpa / T.S : 550 Mpa / El : 30% / Iv At -30 C : 70 J ER70S-6 Mild Steel MIG Welding Wire AWS Classification: ER70S-6. Wire diameter: 0.045" inches (1.2mm) Weight of welding wire: 44-lb Package Include： 1 Roll ER70S-6 .045" 44 lb Mild Steel Mig Welding Wire W/o Product Instruction. .