Boron Nitride ceramic nozzles are widely used in the processing of atomization of steel. As its high strength, high melting point, high toughness, and outstanding thermal shock resistance, steel powder manufacturers use Boron Nitride material to make the atomizing nozzle. Also, BN material has no reaction or wetting with molten metals.
INNOVACERA developed a wide range of BN grades for the nozzles to meet the needs of different end users. When you send an inquiry, we’ll give you a suitable solution.
Ceramic Nozzle For Atomization Of Steelatomization
| Grade | BN997 | BN99 | BN-SI | BN-AL | BN-SIC | BN-ZR | BN-ALN |
| Main Composition | BN>99.7% | BN>99% | BN+AL+SI | BN+ZR+AL | BN+SIC | BN+ZRO2 | BN+ALN |
| Bonding Composition | B2O3 | B2O3 | Boron oxide silicon | Boron oxide aluminum | Boron oxide aluminum | B2O3 | Boron oxide aluminum |
| Density (g/cm3) | 1.6 | 2 | 2.2-2.3 | 2.25-2.35 | 2.4-2.5 | 2.8-2.9 | 2.8-2.9 |
| Room Temperature Electric Resistivity (Ω·cm) | >1014 | >1014 | >1013 | >1013 | >1012 | >1012 | >1013 |
| Max Using Temperature (°C) In Atmosphere In Inactive Gas In High Vacuum (Long Time) |
900 2100 1800 |
900 2100 1800 |
900 1750 1750 |
900 1750 1750 |
900 1800 1800 |
900 1800 1800 |
900 1750 1750 |
| Three-Point Bending Strength (MPA) | 18 | 35 | 65 | 65 | 80 | 90 | 90 |
| Compressive Strength (MPA) | 45 | 85 | 145 | 145 | 175 | 220 | 220 |
| Thermal Expansion Coefficient (20-1000°C） （10-6/K) |
1.5 | 1.8 | 2.0 | 2.0 | 2.8 | 3.5 | 2.8 |
| Thermal Conductivity (W/m·k) | 35 | 40 | 35 | 35 | 45 | 30 | 85 |
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