... 321H, 310S, 347H, DUPLEX2205, S31803 and 904L stainless steel Size: 1/2 to 48-inchMaterial: 304/304L ... DUPLEX2205, S31803 and 904L stainless steelWall thickness: SCH5S to SCH160STypes: butt welded and seamless pipe fittingStandards: ASME/ANSI ... in petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation and boiler heat exchangerproductfactory corner stainless steel ...