... , 321,304Stainless Steel ElbowFeatures: 1) Type: butt welded and seamless pipe fitting 2) Size: DN15-DN1200 (1/2"-48").we can ... , 317L,321, 321H, 310S, 347H,S31803,904L,)6) Applications range: For use in the petroleum, smelting, foodstuff, power, papermaking,chemical, medical ...