#bnnozzle

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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 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     Read the full article

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BN Nozzle for Metal Gas Atomisation

Boron Nitride is oxidation and corrosion-resistant, making it suitable for high-temperature processes such as steel processing and ceramic manufacturing. Key features: 1. Inert - oxidation resistant up to 850ºC in air, 2000ºC inert atmospheres 2. Resistant to corrosion by most molten metals 3. Non-toxic

BN Nozzle for Metal Gas Atomisation It is a ceramic with a high melting point; it is tough enough to prevent cracks; it has high thermal shock resistance, and it’s easily machinable. In addition, molten metals cannot ‘wet’ the surface of boron nitride, which means that it is not easily clogged during the atomization process. Under high vacuum, boron nitride can survive up to 1800 °C. A gas atmosphere can push this even further to 2100 °C. This means that boron nitride will remain solid through the melting of most metals. Boron nitride has a very low thermal expansion. Together with the high heat conductivity, this ensures that the material has very high shock resistance. It can easily withstand the rapid gradations in temperature inside the atomizer. It does not break or crack under thermal stresses. It is also highly machinable, allowing us to make small threads, holes, and other finer details with high precision and tolerance. Nozzles made from boron nitride can be easily customized, allowing confined as well as free geometries. Read the full article