... to standard ASTM A312.Items Description Rarmks Commodity name welded stainless steel pipe Materials 300series including304,TP304,304L,316,TP316,316L etc ... request Type And Process Method Welded, cold drawn, roll-formed ,cold-roll shape: round or square Surface Finish picking,annealing,manual ... detailed informationHighly appreciated the opportunity to cooperate with you welded stainless steel pipe