... 2.Surface:Polishing Inner & Outside 3.Standards: ASTM, AISI, IDF, 3A, SMS, BS, DIN,etc. stainless steel pipe fittings Grades:317 ... request. 4) Surface:Polishing Inner & Outside5) Standards: ASTM, AISI, IDF, 3A, SMS, BS, DIN. JIS, CNS, KS, IS, UNS, CSA, DGN ... : Wooden case, and we can as your request. stainless steel fitting ,stub end, pipe fittings