... . Carbon Steel Flange,high quality carbon steel flange,professional supplier of carbon steel flange1.flange Size:DN15-2000 2.flange Material:A105,SS400 ... ,RST37.2, S2353.flange standards:ANSI,JIS,DIN, ... .1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck ...