... Description Rarmks Commodity name welded/seamless sanitary austenitic stainless steel pipe (tube) Materials 300series including304,TP304,304L,316,TP316,316L etc ... Process Method Welded, cold drawn, roll-formed ,cold-roll shape: round or square Surface Finish picking,annealing,manual polish,mechanical polish ... appreciated the opportunity to cooperate with you 304 stainless steel pipe