... nickel and chromium stainless steel electrode, the two kinds of electrodes in every accords with national standard,all according to GB ... . To prevent heat and produce between eye due to corrosion, welding current shoulds not be too big, about 20% less than ... fast cooling between layers, with narrow welds advisable. Stainless steel welding rod (AWS E308,309,310,316,317,318,347,410,430)