stainless steel a312 pipe Polished stainless pipe; High quality; Materials of our Stainless steel pipes: sus201,202,301,302,303,304,316,304L,316L,310s,410,420,430,303F Competitive price and Strict quality control Features: 1) Commodity: seamless and welded austenitic stainless steel pipes 2) Process method: cold drawn / cold pilgered 3) Surface finish: annealed / cold pilgered4) Standards: ASTM ( ...