a.material: carbon steel , stainless steel , alloy steel b.good quatity and competive price c.have our own ... XXS3) Material; Duplex2205/S31803,904L,317L,347H,316Ti, 321,304Stainless Steel ElbowFeatures: 1) Type: butt welded and seamless pipe fitting ... 321H, 310S, 347H,S31803,904L,)6) Applications range: For use in the petroleum, smelting, foodstuff, power, papermaking,chemical, medical equipment, ...