Stainless steel pipe is a kind of hollow long circular steel, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial transportation pipes and mechanical structure components. In addition, in bending, torsional strength is the same, light weight, so it is also widely used in the manufacture of mechanical parts and engineering structures. Also commonly used for the production of a variety of conventional weapons, barrels, shells and so on. Product Name stainless steel pipe Standard ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789 Material 304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L,316N,201,220,2507,904l,2101 Surface Pickling , Polished , Hairlin…