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Black Silicon Carbide

Place of Origin: Liaoning, China
Application: Steelmaking
Shape: Powder
Material: SiC
Chemical Composition: SiC, SiO2, Fe2O2, MgO, H2O

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Black Silicon Carbide

Details 

Place of Origin: Liaoning, China

Application: Steelmaking, Metallurgy Deoxidizer

Material: SiC

Chemical Composition: SiC, SiO2, Fe2O3, MgO, H2O

Color: Black

Purity: High Purity

Other Name: SiC, silicon carbide, silicon carbide deoxidizer

SiC content: 41%min

 

Description

Silicon carbide has a high hardness and excellent thermal conductivity. It is a semiconductor that can resist oxidation at high temperatures.

Silicon carbide is an ideal compound deoxidizer, desulfurizer.Ca and si has a strong affinity with oxygen. Especially calcium, not only has a strong affinity with oxygen, and sulfur, nitrogen has a very strong affinity.

Silicon carbide is also suitable for practicing BOF steel plant with a warming agent, also used for cast iron and ductile iron inoculant production of addictives.

Black silicon carbide is made of quartz sand, petroleum coke and high-quality silica, which is produced by high-temperature smelting in electric resistance furnace. Its hardness is between corundum and diamond, mechanical strength is higher than corundum, brittle and sharp.

 

Specification

Brand

Chemical Composition (%)

SiC

Free C

Si + SiO2

Fe2O3

H2O

SiC95

95±3

>0.3

 trace

<1

≤0.8

SiC85

85±3

>0.6

10

2±1

≤0.8

SiC80

80±3

>1.0

25±3

3±1

≤0.8

SiC75

75

10±3

18±3

3±2

≤0.8

SiC65

65±5

10±3

20±3

4±2

≤0.8

 

Application

1.  Used for abrasive.

2.  Applying silicon carbide powder to the inner wall of the turbine impeller or cylinder block with a special process can increase its wear resistance and extend its service life by 1 to 2 times.

3.  The high-grade refractory uses SiC to make them shock-resistant, compact, light-weight, and high-strength. Energy-saving effect is good.

4.  Low-grade silicon carbide (containing about 85% of SiC) is an excellent deoxidizer, which can accelerate the speed of steel making, facilitate the control of chemical composition and improve the quality of steel.

5.  Silicon carbide is also widely used in the production of heating element silicon carbide rods.

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