ER70S-6 mild steel wire Size:0,8mm -1,6mm packing:1 ... Used to weld ship building steel Mild steel wire ER70S-6 ER70S-6 is a kind of mild steel copper coated welding wire, suitable ... process properties.Application: Used to weld ship building steel(A,B,D,E,A36,D36,E36)and equivalent ... mild steel or 550Mpa grade mild alloy steel, such as container building, construction machine ...