1) Material: 304, 321, 316L, 304L, 310S 2) OD:4 - 426mm 3)WT:1mm-50mm 4)specification:according to... Type: Seamless Steel Grade Available: 1)Austenite Steel: 304, 304L, 316, 316L, 316Ti, 321, 321H 2)Marten site Steel: 410, 420, 431 3)Duplex Steel: UNS S31803, S32205 4)Precipitations Hardening Steel: 17-4PH(UNS S17400) Size: 1)OD4mm-426mmXW T1mm-50mm Length:1000mm-13000mm Process: cold-drawing ...