Material of Co2 welding wire: CO2 Gas Shielded Welding Wire is made from excellent Ho8Mn2SiA steel by drawing, straightening and copper coating. Features and application of Co2 welding wire: Stable electric arc, low splashing, high deposition efficiency and good welding seam.Co2 welding wire can be welded automatically or semi-automatically.The Co2 welding wires are widely used on low carbon steel and low alloy steel, rolling stock, container, engineering machinery, and pressure container, etc. Specification: 0.6mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.6mm,2.0mm Packing:5kg,10kg,15kg or 20kg packed in plastic spool;5kg, 15kg in Iron Wire Spool; 250kg and 350kg in drum. Packing: black good plastic spool, precisely winding, with water-proof paper, wrapped by plastic film and silica gel, and then a white neutral carton box, at last by pallet; good black spool) then sticker on the spool to indicate the size and weight then moisture paper wrap around then plastic tightly seal then carton box. 6 layers per pallet, one layer has 12 cartons, so for a pallet it has 72 cartons.