... . 42CrMo4, C45, 304, 316, F1, F91. 2. OD5000mm, Thickness 600mm 3. Rough machining, Finished machining 1), Sizes: from DN10 to DN3000 ... ;2), Material: carbon steel, stainless steel and alloy steel;3), Standard: ANSI, DIN, EN1092-1, NFE, AS, JIS and ... with drawing and detailed technical requirements. Thank you carbon and alloy and stainless flange