Forging flange is a flange in mechanical performance is one of the best products, its raw material is commonly tube billet, and then after cutting to constantly pounding, to eliminate the segregation of steel ingot defects, osteoporosis, etc. The price and mechanical properties are higher than the normal casting flange. Flange is the part that connects the pipe to the pipe and valve and is connected to the pipe end; It is also useful for flanges on the inlet and outlet of the equipment. The connection between the two devices is the part connecting the pipe to the pipe and connecting it to the pipe end. It is an accessory part of the pipe. Forged flange main material is carbon steel, alloy steel, stainless steel. The main standards include national standard, electric standard, American standard, German standard, daily standard and so on. The main anticorrosive treatment is coated and galvanized. The pressure of forging flange is good, it is suitable for high pressure and high temperature working environment.
The production process is mainly divided into forging and casting. Cast flange and forged flange.Forged flange, blank shape and size, small amount of processing, low cost, but with casting defects (porosity, crack, inclusion); The internal structure of the casting is less streamlined (if it is a cutting piece, the streamline is less);
Forging flanges are generally less prone to rust than casting flanges, and the forging is smooth, and the structure is dense, and the mechanical properties are better than casting flanges.The forging process can also produce large or uneven grain size, hardening crack phenomenon, forging cost is higher than casting flange.Forgings can withstand higher shear force and tensile force than castings.The advantage of casting is that it can make more complicated appearance and lower cost.The advantage of forging is that the internal organization is homogeneous, and there is no air hole, inclusions and other harmful defects in the casting.The difference between the casting flange and the forged flange from the production process flow, such as the centrifugal flanges, is one of the casting flanges.
Centrifugal flanges are the production flanges of the precision casting method, which is much thinner than ordinary sand casting. The quality is improved a lot, and it is not easy for the organization to be loose, stoma and trachoma.
