technical ceramic solutions

Ceramic Nozzle For Atomization Of Steel

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 Steel

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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