ceramic ball (bearing ball)
original price: 0,15 USD
Haixin Pan
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Basic Information
| Place of Origin | Shanghai China (Mainland) |
|---|---|
| Material | Ceramic |
SiliconNitrideBalls SiliconNitrideballsareapopularchoiceforbearingdesignersandotherhighprecisionproductapplicationsLonglifemakesthismaterialverysuitableforaviationapplications. SiliconNitrideisanti-magneticandresistanttocorrosionbymostsubstances. SiliconNitrideBallProperties CompressiveStrength 341,300psi MaximumUsefulTemperature 2552°F ThermalConductivity .07Cal/seccm°C ThermalExpansion 1.78x10tothe-6thpower/°F ElectricalResistivity >10tothe6thpowerOhm/cm(@500°C),10tothe5thpowerOhm/cm(@2000°C) Young'sModulusofElasticity 47x10tothe6thpowerpsi Hardness 1500-2000Vickers Density .116lbs/inchtothe3rdpower ZirconiaBalls IncertainapplicationsZirconiaballsoperatetwotothreetimeslongerthanmetalorcarbide. Zirconiaballsareinerttocorrosivematerialswiththeexceptionofhydrofluoricacidandhot, concentratedsulfuricacid.Zirconiahasamaximumusefultemperatureof1800°F. ZirconiaBallProperties CompressiveStrength 794,837psi MaximumUsefulTemperature 1800°F ThermalConductivity 0.007Cal/cm,Sec0 ThermalExpansion 10.9x10tothe-6thpower/°C ElectricalResistivity 2.2x10tothe12thpowercm Young'sModulusofElasticity 30.6x10tothe6thpower,21700kgr/mmtothe2ndpower Hardness 1250kgr/mmtothe2ndpower Density .219lbs/inchtothe3rdpower
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Port: SHANGHAI
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