Ferro Silicon Nitride Lump10-50mm Specification
The Ferro Silicon Nitride produced by ZhenAn is considered to be of high quality in the Chinese and international markets.
PHYSICAL PROPERTIES
Grain Size Distribution, dry method:
| Sieves (A STM) | Minimum (%) | Maximum (%) |
|---|---|---|
| 140 (0,106mm) | 5,0 | 12,0 |
| 200 (0,075 mm) | 5,0 | 12,0 |
| 325 (0,045 mm) | 10,0 | 20,0 |
| Fines | 55,0 | -- |
MONITORING:
| Elements | Maximum (%) |
|---|---|
| Ca | 1,50 |
| Ti | 0,15 |
| Al | 1,60 |
CHEMICAL ANALISYS – MINEROLOGICAL COMPOSITION – X-RAY DIFFRACTION
Specification:
| Elements | Minimum (%) | Maximum (%) |
|---|---|---|
| a Si4N3 | - | 23,0 |
| B Si4N3 | 59 | 23,0 |
| Si4N3 - TOTAL | 75 | 82,0 |
| Si2ON2 | -- | 1,50 |
| SiO2 crist | -- | 1,45 |
| SiO2 amophous | -- | 1,50 |
| Si | -- | 0,60 |
| Fe | 14,0 | 18,0 |
Supply Ability: 3000 Metric Tons per month
Payment term: T/T OR L/C
Delivery time: Within 7 days after receiving prepayment
Service: We can supply free samples, a booklet, a laboratory test report, an Industry Report, etc.
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Ferro Silicon Nitride in High-Stress Steel Industry as Refractory Materials
Ferrosilicon nitride is a new material designed specifically for refractory applications, primarily used in the manufacturing of clay-based refractory materials for iron tapping holes. It is produced by nitriding a mixture of high-grade ferrosilicon and metal alloys.
Ferrosilicon nitride is synthesized in a special reactor under a pressure of 10 MPa and a temperature of approximately 2000 °C, which gives it a unique combination of chemical properties. It appears off-white and is produced using SHS technology, containing β-Si3N4 with a special structure.
Benefits of Ferrosilicon Nitride for Refractory Materials:
FesiN enhances the strength and wear resistance of clay-based refractory materials for iron tapping holes at high temperatures.
FesiN improves thermal stability and oxidation resistance.
FesiN can reduce the coefficient of thermal expansion while enhancing thermal conductivity.
FesiN enhances resistance to wear from hot metal and slag.
After adding FesiN, clay-based refractory materials for iron tapping holes do not shrink during repeated heating.
FesiN enhances resistance to erosion by liquid iron, thereby extending the heat retention time of blast furnaces.
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