... DN10 to DN3000;2), Material: carbon steel, stainless steel and alloy steel;3), Standard: ANSI, DIN, EN1092-1, NFE, AS, JIS ... manufacturer of forging parts. Such as shaft, gear, forging ring, flange, . Normally used for wind electric generation, boat building, petrol industry ... with drawing and detailed technical requirements. Thank you carbon and alloy and stainless flange