Low Carbon Ferro Manganese

Description

Low Carbon Ferro Manganese is mainly an alloy composed of manganese and iron. It is made by smelting manganese ore in blast furnace and electric furnace. Ferromanganese is a kind of Oxygen scavenger and alloying material used most in steelmaking. The carbon content of low-carbon ferromanganese shall not exceed 0.7%. The Japanese standard requires a carbon content of less than 1%, while the original Federal German standard requires a carbon content of 0.05-0.5%. The production method of low-carbon ferromanganese is the same as that of medium carbon ferromanganese, except that the carbon content of silicon manganese alloy is lower. In recent years, the production of medium and low carbon ferromanganese using converter, shaking ladle, and oxygen blowing methods has reduced carbon content while saving energy consumption.

Low Carbon Ferro Manganese is mainly an alloy composed of manganese and iron, and ferromanganese is a Oxygen scavenger and alloying material used most in steelmaking. It is made from manganese ore and melted in blast furnaces and electric furnaces. Manganese has a density of 7.43 grams per cubic centimeter, a melting point of 1245 ℃, and a boiling point of 2150 ℃. Manganese and oxygen have a great affinity and can form stable manganese oxide with oxygen. In addition, as an alloying element additive, manganese iron can enhance the hardness, ductility, toughness, and wear resistance of steel. It is widely used in structural steel, Tool steel, stainless heat-resistant steel, wear-resistant steel and other alloy steels. Manganese also has the harmful effects of desulfurization and reducing sulfur. Medium and low carbon ferromanganese can be divided into low-carbon ferromanganese with a carbon content of less than 0.7% and low-carbon ferromanganese with a carbon content of 0.7% -2.0%.

Manganese iron, as an alloying element additive, can enhance the hardness, ductility, toughness, and wear resistance of steel. It is widely used in structural steel, Tool steel, stainless heat-resistant steel, wear-resistant steel and other alloy steels. Manganese also has the harmful effects of desulfurization and reducing sulfur. Medium and low carbon ferromanganese can be divided into low-carbon ferromanganese with a carbon content of less than 0.7% and low-carbon ferromanganese with a carbon content of 0.7% -2.0%.

Production method

The raw materials for producing low-carbon ferromanganese include manganese silicon alloy, manganese ore, lime, and fluorite. The main raw materials used in the blowing oxygen decarbonization method are high carbon ferromanganese. In order to produce low-carbon ferromanganese that meets the standard requirements and achieve good technical and economic indicators, all raw materials must meet certain quality requirements. The main methods for producing low-carbon ferromanganese include electro silicothermic method, shaking furnace production method, oxygen blowing production method, Bolen method, and Udakang converter method. Raw material requirements: Manganese silicon alloy is required for the production of medium and low carbon ferromanganese mainly using electric silicothermic method and shaking furnace method; The production of manganese ore and low-carbon manganese iron requires high manganese iron ratio, low phosphorus manganese ratio, and low silicon dioxide content; Lime, the lime for smelting low-carbon ferromanganese requires that the content of Calcium oxide should be more than 85%, the furnace particle size should be 10-60mm, and the particle size content should be more than 80%.

The induction furnace for producing low-carbon ferromanganese is an induction heating equipment with the highest heating efficiency and speed for metal materials, low consumption, energy conservation, and environmental protection. The high-frequency high current flows to the heating coil that is wound into a ring or other shape. Thus, a strong magnetic beam with instantaneous change of polarity is generated in the coil. When a heated object such as metal is placed in the coil, the magnetic beam will run through the whole heated object. In the internal direction of the heated object opposite to the heating current, a corresponding large Eddy current will be generated. Due to the presence of resistance within the heated object, a lot of Joule heat is generated, causing the object's own temperature to rapidly rise, achieving the purpose of heating all metal materials.

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