Standard Carbon Steel Flange Over five years experience TUV&ISO9001 DIN, EN1092,ANSI,BS,JIS,AS2129, WN,PL,BL,SO.SW.L Standard Carbon Steel Flange1. HR36002. DIN/EN1092/ANSIB16.5/UN/BS45043. Carbon/Forged Steel/Stainless Steel WN Flange4.100% belec spectrum testing5. Main Market: North and South American, Asia,6. Reasonable price and reliable quality Standard Carbon Steel Flange