... 3) Material; Duplex2205/S31803,904L,317L,347H,316Ti, 321,304 Stainless Steel Elbow Features: 1) Type: butt welded and seamless pipe fitting ... (1/2"-48").we can also produce other specifications according to customers' requirements .3) Wall thickness: SCH5S-SCH160S.4) Standard: ASME ... /T21631, MSS SP-43, DIN 2605, JIS B2313.5) Material: Stainless steel (304, 304L, 316, 316L, 317L,321, 321H, 310S, 347H, ...