Annual Output: 15000 tons with the max OD5000mm Product Standard: ASME/ANSI, AWWA, BS, DIN, UNI, JIS/KS etc. Production: Forged Ring & Flanges & other Forged Part The material and Grade 1. Carbon Steel Flange Rst37.2, C22.8, ASTM A105/A105N, A350LF2,A350 LF3,16Mn, 20Mn, 50Mn ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 etc 2. Stainless Steel Flange ASTM A182 F304/304L, F316/316L, F316Ti, F309, F310, F321,F904L etc 3. Alloy Steel Flange ASTM A182 F1, F5, F9, F11, F12, F22, F91 etc 4. Duplex Steel Flange ASTM A182 F51 F53 F55 F60 F61 F65 etc Best Regards, Robert Yang Sales Manager/Partner DingXiang STD Flange Co.,LTD Tel:0086-15034495611(24 hours line) Fax:0086-350-6075071 Website: www.stdflange.com E-mail: [email protected] MSN: [email protected]