... Seamless Stainless Steel Pipe 1)Grade: 304, 304L, 316, 316L, 321 2)Standards: GB, AISI/ASTM, JIS, BS, DIN TP304 Seamless Stainless Steel ... Pipe1)Grade: 304, 304L, 316, 316L, 3212)Standards: GB, AISI/ASTM, JIS, BS, DIN Stainless Steel PipeFeatures:1) Outer diameter ... , 316L, 321 5) Technique process: pickling, manual/machine polishing, cold drawn/ rolled, anneal6) Package: metal ...