Silicon nitride bonded silicon carbide products - steel industry

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
500 m.t./month

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Product Description:

Use: blast furnace bosh, bosh, lower stack, cooling wall, garbage incineration furnace, boiler 

Features: good thermal shock resistance, high bending strength, abrasion resistance, high alkali resistance and slag erosion ability, linear expansion rate low, high coefficient of heat conductivity.

Product name
 
Silicon nitride bonded silicon carbide products 
 

Chemical

composition(%)
  SiC
 ≥72.0
 
Si3N4
 ≥22.0
 
Fe2O3
 ≤0.3
 

              Display the porosity(%)  
 ≤16.0
 

             The volume density(g/cm3)  
 ≥2.68
 

   Compressive strength at room temperature (Mpa)
 ≥180.0
 

Flexural strength

(Mpa)  
 Normal atmospherictemperature
 ≥45.0
 
1400℃
 ≥55.0
 

Thermal conductivity

λ(W/m·K)
 
The experimental temperature

650℃
 19.5
 

The experimental temperature

1000℃
 17.2
 

Coefficient of temperature conductivity

α(cm2/s) 
 
The experimental temperature

650℃
 0.064
 

The experimental temperature

1000℃
 0.053
 

Linear expansion rate
 α30—1000
 4.02×10-6(k-1)
 
α30—1100
 4.06×10-6(k-1)
 

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