1) standard: DIN, BS, USS, JIS 2)weight: 0.1-20000kg 3)processes: forging, heat treatment and machining 4)OEM BRAND NAME:carbon steel flangeTYPE:Slip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc.FACE:FF/RF/RTJ etc.PRESSURE:ANSI 150#-3000# ,5K-63K,PN6-PN400MATERIAL:A105 etcSTANDARD:ANSI,DIN,JIS, DIN, BS, etcSIZE:1/2"-48" DN15- ...