Our company jianhu xusheng petrochemical machinery co., ltd is an enterprise detailed in manufacturing carbon steel forged flanges and forging parts. Our main flanges are as follows: 1.Forged din carbon steel threaded flangematerial:rst37.2, st37.2, c22.8)din2573 pn6;din2576 pn10, din2502 pn16, e01, type02, type05, type12, type13 flanges 6.Bs4505, gost 12820-80, 12821-80 flangestable d, table e, table h flanges All the sizes are from 1/2(dn15) to 48(dn1200) We are specilising in manufacturing and export of carbon steel forged flanges and forging.Our company was founded in year 1998 has passed iso 9001:2000 international quality certificate. We have exported to france, italy, spain, america, south africa, korea, japan and taiwan and so on. Should any of these items be of interest to u, pls let us know.We will happy to give u a quotation upon receipt of ur detailed requirement. Thanks and best regards! Size: 1/2"-48" material: carbon steel standard: ansi place of origin: jiangsu, china (mainland) model number: pn15--pn600 brand name: flange manufacturers standard or nonstandard: standard surface finish 1: stock finish surface finish 2: spira serrated surface finish 3: concentric serrated description: flange made in china