... is a standard about Welded Austenitic Stainless Steel BoilerSuperheater, Heat-In stainless steel pipes, tubes and tubings industry, TIG welded system is ... widely used for manufacturing high-quality stainless steel pipes, tubes and tubings.TIG welding is used to create high ... be fused. The electrodes and weld zoneare shielded at all times with inert gas.In Meiya stainless steel Co., Ltd., we ...