China ASTM / ASME a/SA 182 F 304, 304L, 304h, 309S, 309H, 310S, 310h, 316, 316ti, 316h, 316L, 316ln, 317, 317L, 321, 321H, 347, 347H, 348, 348h Flanges, Find details about China Stainless Steel Plate Flange, ANSI B16.5 Flat Flange from ASTM / ASME a/SA 182 F 304, 304L, 304h, 309S, 309H, 310S, 310h, 316, 316ti, 316h, 316L, 316ln, 317, 317L, 321, 321H, 347, 347H, 348, 348h Flanges