Manufacturing Technique
Our silicon nitride bonded silicon carbide blast furnace brick has gone through the mechanical pressing process, as well as the vacuum nitriding and sintering process. Its dimension (length ×width ×thickness) is 400mm×300mm×50mm.
Striking Advantages and Wide Applications
1. This silicon nitride bonded silicon carbide blast furnace brick possesses superior mechanical, chemical, and thermal properties. It is capable of resisting creep and chemical attack. Other remarkable features include nice thermal conductivity, strong abrasion resistance, and great strength at high temperature.
2. Our product is extensively applicable for both bosh and waist of iron-making blast furnace in metallurgical industry. It can significantly extend the service life of blast furnace, and also save the cost of iron and steel.
Physical and Chemical Indexes of Si3N4-SiC Product | |||
Item | Enterprise Standard | Guarantee Indicator | Measured Average Value (National Test Center) |
SiC % ≥ | 72 | 72 | 72.58 |
Si3N4% ≥ | 21 | 22 | 23.42 |
Fe2O3% ≤ | 1.5 | 0.6 | 0.4 |
Apparent Porosity % ≤ | 17 | 15 | 14.8 |
Bulk Density g/cm3 ≥ | 2.6 | 2.65 | 2.7 |
Compressive Strength at Room Temperature MPa ≥ | 150 | 200 | 228 |
Flexural Strength at Room Temperature MPa ≥ | 43 | 45 | 46.6 |
Flexural Strength at High Temperature (1400℃) MPa ≥ | 50 | 55 | 57 |
Thermal Conductivity [W/(m.k )] Test Temperature: 1000 ℃ ≥ | 14 | 15 | 15.544 |
Related Names
Kiln Bricks Wholesale | High Temperature Silicon Brick | Fire Brick