a.material: carbon steel , stainless steel , alloy steel b.good quatity and competive price c.have our own factory Detailed Product Description 1) Size: 1/2"-48" (DN15-DAN1200) 2) THK: SCH5S-SCH160 XXS 3) Material; Duplex2205/S31803,904L,317L,347H,316Ti, 321,304. 1) Size: 1/2"-48" (DN15-DAN1200)2) THK: SCH5S-SCH160 XXS3) Material; Duplex2205/S31803,904L,317L,347H,316Ti, 321,304Stainless Steel ...