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ferro silicon manganese

ferro silicon manganese

Ferromanganese refers to a ferroalloy containing 12%-85% manganese, and is usually divided into two types: ferrosilicomanganese and ferromanganese. Ferromanganese is an important metallurgical raw material with good oxidation resistance, wear resistance and corrosion resistance.
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Shape: Lump Powder Particles
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Chemical Composition:Mn C Si P S
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Size:0~1mm  1~3mm 10mm~50mm 10~60mm 10~100mm .etc
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Package: Ton bag or customized according to customer requirements
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Product Introduction

Low carbon ferromanganese is a ferromanganese product with low carbon content. Low carbon ferromanganese is mainly used in steelmaking to improve the hardness and toughness of steel and effectively deoxidize during the steelmaking process. Low carbon ferromanganese is a necessary smelting raw material for many special steels.


The characteristic of medium carbon ferromanganese is its low carbon content. Medium carbon ferromanganese can be used in many fields, but it is still widely used in the steelmaking field. Manganese is a good element for steelmaking. Medium carbon ferromanganese can greatly improve the hardness value of steel in steelmaking. It is used to produce special steels such as special steels and stainless steels. The carbon element of medium carbon ferromanganese can be reduced to about 0.2 after special treatment!


High carbon ferromanganese contains a small amount of trace elements, mainly manganese and iron, which account for about 92%. The carbon content is also relatively high among ferromanganese. Generally, the carbon content in high carbon ferromanganese is about 6%-7%. The production of high carbon ferrochrome is mainly based on blast furnace production method. In steelmaking, high carbon ferromanganese alloys are also widely used. Electric furnace high carbon ferromanganese is mainly used in casting as a deoxidizer, desulfurizer and alloy additive.

 

product-750-500

chemical composition



Type

Brand		 Chemicol Compositions(%)

Mn		 C Si P S
I II I II
Low-carbon ferromanganese FeMn88C0.2 85.0-92.0 0.2 1.0 2.0 0.10 0.30 0.02
FeMn84C0.4 80.0-87.0 0.4 1.0 2.0 0.15 0.30 0.02
FeMn84C0.7 80.0-87.0 0.7 1.0 2.0 0.20 0.30 0.02
Medium-carbon ferromanganese FeMn82C1.0 78.0-85.0 1.0 1.5 2.5 0.20 0.35 0.03
FeMn82C1.5 78.0-85.0 1.5 1.5 2.5 0.20 0.35 0.03
FeMn78C2.0 75.0-82.0 2.0 1.5 2.5 0.20 0.40 0.03
High-carbon ferromanganese FeMn78C8.0 70.0-82.0 8.0 1.5 2.5 0.20 0.33 0.03
FeMn74C7.5 70.0-77.0 7.5 2.0 3.0 0.25 0.38 0.03
FeMn68C7.0 65.0-72.0 7.0 2.5 4.5 0.25 0.40 0.03

The difference between different ferromanganese alloys

1

High carbon ferromanganese is the cheapest, while low carbon ferromanganese is the most expensive.

2

High-carbon ferromanganese needs to increase carbon while increasing manganese. Therefore, when adding high carbon ferromanganese, be careful not to let the carbon get out of proportion. But when molten steel needs to supplement manganese and carbon at the same time, high-carbon ferromanganese becomes the best choice. Depending on the actual situation, use high carbon ferromanganese + medium carbon ferromanganese or high carbon ferromanganese + carbon wire (or carbon particles).

3

The amount of carbon added to medium-carbon ferromanganese is very small, so except for steel with very low carbon control, the issue of carbon added is basically not considered.

4

Among some special steels, steels with very low carbon requirements, such as some silicon steels (very low carbon control) and ultra-low carbon steels, must consider all carbon-increasing factors. In this case, low-carbon or even micro-carbon ferromanganese must be used , to prevent the molten steel from rising carbon as much as possible.

5

High carbon ferromanganese is strictly restricted due to its high carbon content. Adding it to steel materials will significantly increase the carbon content of the steel. Low-carbon ferromanganese does not have the same problems as high-carbon ferromanganese due to its lower carbon content. Therefore, low-carbon ferromanganese is used in larger amounts than high-carbon ferromanganese and has a wider range of uses. It is used to produce stainless steel, heat-resistant cast steel, and heat-resistant cast iron. , important raw materials for wear-resistant steel and structural steel. In the past, the production of low-carbon ferromanganese was mainly carried out by blowing oxygen into the liquid high-carbon ferromanganese melt to decarburize the high-carbon ferromanganese into low-carbon ferromanganese. After that, silicon-manganese alloy was used to reduce the peroxidized melt. Improve manganese yield. The production process of high-carbon ferromanganese liquid oxidation decarburization method is complex, high cost and serious environmental pollution.

 

low carbon ferro manganese

 

 

 

 

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