... :Sch5-Sch160XXS 3. Material:317L 904L 316L 310S stainless steel pipe fitting dimension Features: 1) Type: butt welded and seamless2) Size ... 317L,321, 321H, 310S, 347H,S31803,904L,)6) Applications range: For use in the petroleum, smelting, foodstuff, power, papermaking, chemical, ... iron trading market, and offer the first-class platform for steel trading. We will improving ourselves to provide customers ...