1.stainless steel pipe 2.O.D.:6mm~2220mm 3.W.T.:0.3mm~80mm 4.Application:boiler,oil transportation, struction 5.Cert.: ISO -------------------------------------------1.stainless steel pipe2 ... like following:1. seamless steel pipe (A53, A106, API 5L, A179, A192, A213, A333, DIN1629, DIN17175, Russian standard, Franch stan.)2. stainless steel pipe (304, 316 ...