J422 is carbon steel type electorde with titanium-calcium costing.It has superiors welding technologic performances along with the stable atc.with less welding spatter,the welding wave is beautiful. It can be uesed inall positions of welding,and both of AC and DC It is suitable of welding of critical structres of low carbon steel and low carbon steel and low-grade strength of low alloy,sych as 09Mn2