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Rulon Bearings

Sandvik Osprey CE7 Al-Si Controlled Expansion Alloy
Categories: Metal; Nonferrous Metal

Material Notes: Si-30%Al controlled expansion alloy manufactured and patented by Osprey Metals Ltd.

Information provided to MatWeb by Osprey Metals, now Sandvik Osprey Ltd.

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Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 255255
Tensile Strength, Ultimate 100 MPa14500 psi
Modulus of Elasticity 125 GPa18100 ksi
Flexural Strength 143 MPa20700 psiThree Point Bend
Poissons Ratio 0.250.25
Fracture Toughness 6.00 MPa-m½5.46 ksi-in½
Shear Modulus 50.0 GPa7250 ksiCalculated
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.70 µm/m-°C
@Temperature 25.0 - 500 °C
4.28 µin/in-°F
@Temperature 77.0 - 932 °F
 7.80 µm/m-°C
@Temperature 25.0 - 100 °C
4.33 µin/in-°F
@Temperature 77.0 - 212 °F
 8.30 µm/m-°C
@Temperature 25.0 - 200 °C
4.61 µin/in-°F
@Temperature 77.0 - 392 °F
 8.50 µm/m-°C
@Temperature 25.0 - 300 °C
4.72 µin/in-°F
@Temperature 77.0 - 572 °F
Specific Heat Capacity 0.750 J/g-°C0.179 BTU/lb-°F
Thermal Conductivity  100 W/m-K
@Temperature 200 °C
694 BTU-in/hr-ft²-°F
@Temperature 392 °F
 120 W/m-K
@Temperature 25.0 °C
833 BTU-in/hr-ft²-°F
@Temperature 77.0 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 30 %30 %
Silicon, Si 70 %70 %

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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