ASTM A312 ASTM A213 304,304L,309S,310S,310H,310L,316,316L,316Ti,321,347H, 201,202,etc.TP321H stainless steel pipe Product Description01) Commodity name: Seamless stainless steel pipe/tube/ stainless steel pipe,stainless steel pipe02) Process method: Cold rolled/cold drawn 03) Surface finish: Annealed/pickling 04) Material: TP304, TP304L, TP304/304L, TP310/S, TP316, TP316L, TP316/316L, TP317L, ...