Forging flange and casting flange

Forging flange and casting flange there is different from the use of casting produced by the flange, rough shape and size of accurate, small amount of processing, the cost is relatively much lower, but cast out of the flange with pores, cracks, mixed with other substances, Casting internal organization streamlined poor (if it is cut forging flange generally less than the carbon content of the casting flange rust, forging streamline is good, the organization is relatively compact, mechanical properties better than casting flange.