The submerged arc welding wire series products feature excellent welding and mechanical performances, stable arc, easily removable residue, good seam forming and highly efficient deposition. Wire melting does not lead to splash or strong flashing. The seam surface is smooth and welding quality is guaranteed. They facilitate mechanical and automatic welding process. With a wide range of welding parameters, the wires can be used in open field with strong wind and applied to automobiles, ships, bridges and chemical engineering.