Washington Alloy TC 70S-2 04 is an ER70S-2 solid MIG (GMAW) wire for welding mild and low-alloy steels where consistent feeding and sound weld quality matter; ER70S-2 chemistry includes added deoxidizers that can help tolerate light mill scale and minor surface contamination versus standard ER70S-6 (best results still come from clean base metal). This item is one (1) spool of .030 in (0.8 mm) wire, 33 lb (0.91 kg). Typical uses include general fabrication, repair, sheet metal, and light structural work; set up per your WPS and machine manual, using a matching .030 in contact tip/liner and appropriate shielding gas for your procedure. Safety: follow the SDS and your shop safety program, wear proper PPE, and ensure adequate ventilation/fume control; keep wire clean and dry to prevent feeding issues and weld contamination.