... 1) name: steel pipe flange cover (2) certification: ISO9001 (3) sea port: tianjin (4) minimum order quntity: 5 metric tons o Quality Control:Steel Flat ... .Final NDE and Final Dimension CheckFeatures: 1) Standard: ANSI, ASME, API, DIN, JIS, JPI, UNI, BS, etc. 2) Material: 304, ... 321, 304L, 316, 316L, 317L, 310S, 904L, etc. 3) Type: Welding neck, Socket welding, Slip-on, Threaded, Lap joint ...