1) Size: 1/2"-48" (DN15-DAN1200) 2) THK: SCH5S-SCH160 XXS 3) Material; Duplex2205/S31803,904L,317L,347H,316Ti, 321,304 Stainless Steel Elbow Features: 1) Type: butt welded and seamless pipe fitting 2) Size: DN15-DN1200 (1/2"-48").we can also produce other specifications according to customers' requirements .3) Wall thickness: SCH5S-SCH160S.4) Standard: ASME/ANSI B16.9, GB/T12459, GB/T13401, ...