Special Flanges,carbon flange,steel flange,forged flange; with good quality,reasonable price,promptly delivery... Flanges:(1) ... DIN flanges, EN1092-1 Flanges(3) Material: Carbon steel flanges ASTM A105, ASTM A350 LF1, LF2 CL1/CL2 ... F48, F50, F52, F56, F60, F65, F70 Stainless steel flanges ASTM A182 F304/304L, F316/316L, F316H, F310 ... as per your request 24" Carbon Steel 300 Class PL Flange, high quality