... 321 2)Standards: GB, AISI/ASTM, JIS, BS, DIN cold rolled stainless steel seamless pipe1)Grade: 304, 304L, 316, 316L, 3212)Standards ... 316L, 321 5) Technique process: pickling, manual/machine polishing, cold drawn/ rolled, anneal6) Package: metal belt, wooden pallet, and as customers ... cost8) Certificate: ISO, TSG, OIISAS 9) The stianless steel pipe 304 is applicable to fluid transport and high pressure ...