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Precautions casting carburant: Use a power furnace of 5T, single stable raw material, we recommend scattered addition method, according to the amount of carbon content, according to the ingredients, add carburant and the metal furnace with e...
Nowadays, a large number of casting factories use a large number of recarburizer when producing cast iron, then how much is the nitrogen content require? How to choose the proper type? ...
The main role of inoculation is to affect the coagulation process of the cast iron, provide sufficient core for graphite, inhibit white mouth, and control the size, morphological and distribution of graphite.........
Both converters and electric furnaces are suitable for steel scrap. Steel scrap is the main raw material for electric furnace steelmaking. The amount of steel scrap used in the converter generally accounts for 10% to 30% of the total loading...
Inoculantion techniques include two meanings: one aspect is the choice of gemmatic agents, and on the other hand, it is the choice of gestation method. 1.Selection of types of inoculant Because of the different cases of castings.........
Improving the matrix structure of ductile iron with various heat treatment methods, its mechanical properties can be improved. The purpose of heat treatment is to obtain the required structure, thereby improving the mechanical properties....
The casting temperature is high, which causes the sand to rise, especially the gray cast iron with complex sand core....
As a deoxidizer and alloying element for steelmaking, aluminum plays a very important role. For many years, steelmaking has mostly adopted the method of adding aluminum cakes or aluminum ingots directly into the steelmaking furnace or ladle...
Raw materials for steelmaking can be divided into metal materials, auxiliary materials and furnace lining materials. Metal materials mainly refer to molten iron or pig iron, scrap steel and ferroalloys. Auxiliary materials mainly refer to sl...
At present, conventional ductile iron, that is, ductile iron based on ferrite and pearlite, still accounts for most of the production of ductile iron. Therefore, attention should be paid to improve the performance.........
The molybdenum can increase the intra-molybdenum when the -FE is changed to the -FE, and the transition is reduced during the transition, so that the transformation is long, reducing the critical cooled rate of the austenite....
Raw materials are the material basis for steelmaking. The quality of raw materials directly affects the quality of the steelmaking process and products. The quality of raw materials not only means that the chemical composition and physical p...