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Rulon Bearings

Alfa Chemistry Materials Chromium single crystal disc, (110) orientation
Categories: Metal; Nonferrous Metal; Pure Element

Material Notes: 10mm (0.39in) dia, 1-3mm (0.04-0.1in) thick, ±0.5°

Information provided by Alfa Chemistry Materials.

Vendors: Alfa Chemistry is an ISO 9001:2015 certified supplier of various materials, including: MOFs, coatings, nanomaterials, metals, polymers, carbon fibers, graphite, ceramics, glass, semiconductors, catalysts, carbon nanotubes, fullerene, COFs, molecular sieve, quantum dots, recycled plastics, photonic and optical materials, and magnetic materials, for customers worldwide. Alfa Chemistry also provides custom synthesis services for nearly all kinds of materials and chemicals. Learn more about Alfa Chemistry's high quality products at materials.alfachemic.com.

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Physical PropertiesMetricEnglishComments
Density 7.18 g/cc0.259 lb/in³
Molecular Weight 52 g/mol52 g/mol
 
Chemical PropertiesMetricEnglishComments
Electronegativity 1.601.60Paulings
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 10601060MPa Microhardness
Modulus of Elasticity 279 GPa40500 ksi
Poissons Ratio 0.210.21
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000129 ohm-cm
@Temperature 0.000 °C
0.0000129 ohm-cm
@Temperature 32.0 °F
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 294 J/g126 BTU/lb
Heat of Vaporization 5871 J/g2526 BTU/lb
CTE, linear 4.90 µm/m-°C
@Temperature 25.0 °C
2.72 µin/in-°F
@Temperature 77.0 °F
Specific Heat Capacity 0.448 J/g-°C
@Temperature 25.0 °C
0.107 BTU/lb-°F
@Temperature 77.0 °F
Thermal Conductivity 93.9 W/m-K
@Temperature 25.0 °C
652 BTU-in/hr-ft²-°F
@Temperature 77.0 °F
Melting Point 1857 °C3375 °F
Boiling Point 2672 °C4842 °F
 
Descriptive Properties
Alfa Chemistry Materials CategoryMetals and Materials
AppearanceSilvery
CAS Number7440-47-3
EC Number231-157-5
MDL NumberMFCD00010944
Molecular FormulaCr
Purity99.9%, 99.99%, 99.999%

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.

ZZALFA0854 / 269813

Aluminum Castings

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