... :Round,Square,Rectangular Standard:ASTM,DIN,EN,BS Stainless Steel Pipe 304 Stainless Steel Pipe for Potable Water Product304 Stainless Steel Pipe for Potable Water StandardASTM A213,ASTM A312 ... TP316L , ASTM317L,ASTM 321,ASTM TP321,ASTM321H, ASTM347, ASTM347H ,ASTM TP347H,SUS301, SUS304, SUS304L, SUSTP304,SUS TP304L,SUS309S, SUS310S, SUS316,SUS316L ...