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Rulon Bearings

Morgan Advanced Ceramics Sintox ™ FA Mac-A950R-1 Aluminum Oxide Ceramic
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Alumina ceramic of 95% Al2O3 content. This refractory-quality material is extensively used for high temperature applications in welding, heat treatment, and metallurgical and chemical processing.

Prime Features:

  • Mechanically stable at high temperature
  • Low coefficient of thermal expansion
  • Good thermal shock resistance
  • Totally non-combustible and non-outgassing
  • Chemically inert
  • Excellent electrical insulator
Typical Applications:
  • Welding nozzles
  • Stress relieving beads
  • Thermal insulators to protect workpieces during welding and heat treatment
  • Special crucibles for metallurgical and chemical processes
Production Capabilities:
  • Pressing of components
  • Volume production to close dimensional tolerances
  • Prototype, batch and volume production

Information provided by Morgan Advanced Materials

Key Words: Mac-A950R-1
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Physical PropertiesMetricEnglishComments
Density 3.70 g/cc0.134 lb/in³fired
Open Porosity 0.00 %0.00 %fully dense, % nominal, apparent
Grain Size 6.0 µm6.0 µm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell HR45N 7878
Hardness, Vickers 12.5
@Load 0.500 kg
12.5
@Load 1.10 lb
[GPa]
Modulus of Elasticity 325 GPa47100 ksiYoung's
Flexural Strength 320 MPa46400 psi3-point; ASTM C1161
Compressive Strength 2000 MPa290000 psi
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.50 µm/m-°C
@Temperature 0.000 - 800 °C
4.17 µin/in-°F
@Temperature 32.0 - 1470 °F
Thermal Conductivity 21.0 W/m-K146 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 <= 95 %<= 95 %
 
Descriptive Properties
Colorpink
Thermal Downshock170 sC

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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