WELDING FLANGE material, carbon steel size, dn15-1200 type, slip on, plate, ... ) Material: carbon steel, stainless steel3) Standard: ANSI, JIS, DIN, BS, SABS, EN1092, UNI, GOST4) Types: plate, slip on, welding neck, blind ... valuable words, please don't hesitate to contact me for flange price. WELDING ...