We have wide range of forged & machined flanges made from carbon steel material confirming to ASTM, DIN, EN,JIS, GOST, ETC STANDARD: 1)ANSI, DIN, UNI, BS, JIS, KS 2)Welding Neck Flange, Slip-On, Blind,Lap joint,socket welding 3)Size:1/2''-48''Our Carbon Steel Flange and Stainless Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM A105, ST37, Q235, 20 Steel, ...