... tolerance and Heat Treatment to be good mechanical proterties seamless stainless steel pipes. We are professional manufacturer of ... stainless steel pipe, seamless stainless steel pipe. 01) Commodity name: seamless stainless steel pipe 02) Process method ... Annealed(BA) 04) Material: TP304, TP304L,TP304/304L, TP310/S, TP316,TP316L, TP316/316L, TP317L,TP321,TP347/H S31803, ...