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The basic tasks of steelmaking are decarburization, dephosphorization, desulfurization, and deoxygenation, removing harmful gases and non-metallic inclusions, raising the temperature, and adjusting the composition of the molten steel....

Electric furnace smelting high-strength gray cast iron, the following points can be ensured to ensure quality: 1.Design of high strength alloy gray cast iron. Adding a small amount of multi-component alloy components in cast iron, choosing...

carbon is an element that promotes graphite in cast iron.The general types of the carbon can be divided into calcined petroleum coke, graphitized petroleum coke and graphite carbon according to the different materials.........

In the initial stage of molten steel entering the deoxidation operation, the oxygen content in the molten steel is high, It always uses manganese and silicon as deoxidation elements, which is already a routine in steelmaking operations....

Gray cast irons, especially those with higher grades, it is not that the lower of sulfur and phosphorus, the better, but there should be an appropriate amount. Following will introduce more about the influence of sulfur and phosphorus......

The use of recarburizer in casting can greatly increase the amount of scrap steel, reduce the amount of pig iron or not. Most of the recarburizers are suitable for electric furnace smelting, and there are a few recarburizers with particularl...

Generally, refractory materials are used for electric furnace lining, which can withstand high temperature, resist erosion and mechanical erosion of molten iron, slag, furnace gas, and can maintain the original shape, size and strength of the lining....

Ferroalloys is one alloy which fused together with one or two or more metal or nonmetal elements. It is not a metal material that can be used directly, but is mainly used as an intermediate raw material for deoxidizer or alloying agent....

Pyrite is the most widely distributed sulfide in the earths crust. In magmatic rocks, pyrite is finely disseminated and is the product of hydrothermal action after the magmatic period. In contact metasomatous deposits, pyrite often coexists...

Almost all the foundries will encounter casting defects, the common defects include pores, shrinkage holes, slag inclusions and poor spheroidization. What are the causes and solutions of poor spheroidization? Below we will introduce...

Injecting pulverized coal technology is a technology that sends injection pulverized coal into a metallurgical furnace through a nozzle. The main raw material is pulverized coal. The advantages of pulverized coal injection including: Replaci...

With the continuous expansion of the scale of blast furnace ironmaking and the increasing demand for pig iron, the demand for raw materials for blast furnace ironmaking is also increasing. Due to the aging of existing coke ovens, the environ...