1)Blanks (Blind ,BL) Flange ,figure 8-Blanks 2) DIN ASA JIS UNI,ANSI,BS, ... market ,Japan, Korea&UAE market ect.1)Name: carbon steel flange &forged flanges2)Materials : ASTM A105,DIN ST37.2, ASTM A182 ... Tong Pressure & Forging company LTD . engaged inforging of varieties of flange, axis , disk ,and unconventional parts, our forging flanges consist of ...