Manganese Scrap
In the iron and steel industry, metal manganese is mainly used for desulfurization and deoxidation of steel.
Products Description
Manganese is a silver-gray metal, much like iron, but softer than iron. If manganese contains a small amount of impurities-carbon or silicon, it becomes very hard and brittle. However, pure metallic manganese is not very widely used because it is more rusty than iron. In humid air, it becomes gray and loses its luster in a short while-a layer of manganese oxide is formed on the surface.
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An appropriate amount of manganese can effectively improve the strength of steel and eliminate the impact of sulfur and oxygen on the thermal embrittlement of steel
Improve the hot working performance of steel and improve the cold brittleness tendency of steel
At the same time, it does not significantly reduce the plasticity and impact toughness of the steel
Product specifications
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Technical Specifications
Pyrometallurgy
Fire metallurgy is a metallurgical process carried out under high temperature conditions. Part or all of the minerals in the ore or concentrate undergo a series of physical and chemical changes at high temperatures to generate compounds or elemental substances in another form, which are enriched in gas, liquid, or solid products, achieving the purpose of separating the extracted metal from gangue and other impurities. The thermal energy required to achieve pyrometallurgical processes is usually supplied by fuel combustion, as well as by chemical reactions during the process. For example, the oxidation roasting and smelting of sulfide ores do not require fuel heating; The process of metal thermal reduction is also self heating. Fire metallurgy includes processes such as drying, roasting, roasting, smelting, refining, and distillation.
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The application case
The Application of Manganese in Ironmaking
The pig iron produced by blast furnace smelting is generally made of iron carbon alloy. Adding a small amount of manganese can not only improve the smelting operation and processing, but also improve the performance of the pig iron.
Steel making pig iron (white cast iron)
White iron is the main material for open-hearth and converter steelmaking, accounting for over 80% of the total production of pig iron. With the improvement of technology, the converter has gradually replaced the open hearth furnace. Manganese ore, as a slagging agent in the converter blowing process, has a good continuous slagging effect and does not produce metal splashing.
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