... 3.WN,SO,Lap Joint,Blind.Threaded,Swivel,Orifice 4.ANSI B16.5,BS,API,DIN. Pipe FittingsTypeElbow, ... 56/60Stainless SteelASTM A403 WP 304/304 L, 316/316LAlloy SteelASTM A234 WP1/WP5/WP9/WP11/WP22/ ... 3) Wall thickness: SCH5S-SCH160 XXS. 4) Standard: ASME/ANSI B16.9, GB/T12459 , MSS SP-43, DIN , JIS ... . 5) Material: Stainless steel (304/304L, 316/316L, 317L,321, 321H, 310S, 347H , DUPLEX2205, S31803, ...