stainless steel welded pipe: 1.Grade:201,202,301,304,316L,etc 2.OD: ... are professional manufacturer of stainless steel products, including stainless steel decorative pipes, industrial stainless welded pipes, special-shaped pipes and etc. Main materials ... are:304, 201,202,316,316L,430 and so on.ProductProduction LineWarehouse stainless steel pipe