Er70S-6 Is A Copper Coated Carbon Steel Wire Or Rod That Contains Higher Levels Of Manganese And Silicon Than Other Standard Grades Of Carbon Steel Wires. This Wire Features Excellent Tolerance Of Rust And Scale. E70S-6 Is Used For Butt And Fillet Welding Of Sheet And Plate Of A Variety Of Thickness. Applications Include General Carbon Steel Fabrication. It Also Performs Well On Rusty And Oily Areas On Carbon Steels.