... , 316L, 321 2)Standards: GB, AISI/ASTM, JIS, BS, DIN cold rolled stainless steel seamless pipe1)Grade: 304, 304L, 316, 316L ... , 316, 316L, 321 5) Technique process: pickling, manual/machine polishing, cold drawn/ rolled, anneal6) Package: metal belt, wooden pallet, and as ...