... ,Square,Rectangular Standard:ASTM,DIN,EN,BS Stainless Steel Tube 304 Stainless Steel Tube for Potable Water Product304 Stainless Steel Tube for Potable Water StandardASTM A213 ... ,ASTM321H, ASTM347, ASTM347H ,ASTM TP347H,SUS301, SUS304, SUS304L, SUSTP304,SUS TP304L,SUS309S, SUS310S, SUS316,SUS316L, SUSTP316,SUS TP316L ,SUS317L, SUS 321,SUS ...