Techniweld Mild Steel Welding Wire, Solid, Diameter: 0.035 Inch, Current Type: DC+, Package: 2 lb Spool, AWS Class: AWS A5.18: ER70S-6, Copper-Coated, Welding Process: MIG (GMAW And SAW), Weld Metal Composition: 0.08% Carbon (C), 1.7% Manganese (Mn), 0.9% Silicon (Si), 0.1% Phosphorus (P), 0.015% Sulphur (S) Features High grade steel is used to optimize consistency. Electroplated copper coating for reduced flaking and weld performance. Full manufacturing process is totally automated to increase consistency in weld performance. Our spools are precision would to achieve optimal performance. Expansive approvals include ISO9001, CCS, ABS, LR, GL, DNV, TUV, CE, and CWB ER70S-6 mild steel rod with high silicon content for a highly fluid weld pool and excellent wetting Alloy ID stamped on both ends 20 ft-lb at -20 deg F impact strength