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Rulon Bearings

Pyrotek O'-Sialon Non-Oxide Ceramic
Categories: Ceramic; Carbide

Material Notes: O'-Sialon is a unique class of non-oxide ceramic which incorporates grains of silicon carbide held by a matrix of O'-Sialon. This results in a product that exhibits high strength at both room temperature and working temperature. It also gives longer life meaning less change-overs and less down time. No expensive and time consuming coatings are required because O'-Sialon is non-wetting to molten aluminum and its alloys.

Applications

  • Dosing tubes
  • Riser tubes
  • Heater protection tubes
  • Thermocouple Protection tubes

Advantages

  • Excellent oxidation resistance
  • Non-wetting to aluminum and its alloys
  • Good thermal shock
  • Good abrasion resistance
  • Chemically inert

Information provided by Pyrotek.

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Physical PropertiesMetricEnglishComments
Density 2.62 g/cc0.0947 lb/in³
Open Porosity 13 - 20 %13 - 20 %
 
Mechanical PropertiesMetricEnglishComments
Modulus of Rupture 0.160 GPa23.2 ksi
 
Thermal PropertiesMetricEnglishComments
CTE, linear 3.90 µm/m-°C
@Temperature 20.0 °C
2.17 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 8.90 W/m-K
@Temperature 720 °C
61.8 BTU-in/hr-ft²-°F
@Temperature 1330 °F
Maximum Service Temperature, Air 1500 °C2730 °FContinuous

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CPYRO179 / 1896

Aluminum Castings

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