... ,904L,317L,347H,316Ti, 321,30Stainless Steel ElbowFeatures: 1) Type: butt welded and seamless pipe fitting2) Size: DN15-DN1200 (1/ ... MSS SP-43, DIN 2605, JIS B2313.5) Material: Stainless steel (304, 304L, 316, 316L, 317L,321, 321H, 310S, ... exchanger, and other fields.7) Packing: Fumigation-free plywood cases or as per customers' requests. carbon steel pipe union,forged steel high pessue pipe fitting