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Rulon Bearings

Magnesium ZE63A-T6, Cast
Categories: Metal; Nonferrous Metal; Magnesium Alloy

Material Notes: Nd content refers to Nd-rich rare earths. Aerospace and military sand and investment castings used in solution heat treated and artificially aged condition (T6 temper). Has excellent castability and pressure tightness. Especially useful in thin-section castings for applications requiring high mechanical strength and freedom from porosity. Special heat treatment in hydrogen is required to develop mechanical properties, which results in a wall thickness limitation for the castings.

Key Words: UNS M16630; Mg; ASTM B 93 (Ingot UNS M16631)
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Physical PropertiesMetricEnglishComments
Density 1.87 g/cc0.0676 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 60 - 8560 - 85500 kg load, 10 mm ball
Hardness, Knoop 9393Estimated from Brinell
Hardness, Vickers 8080Estimated from Brinell
Tensile Strength, Ultimate 300 MPa43500 psi
Tensile Strength, Yield 190 MPa
@Strain 0.2 %
27600 psi
@Strain 0.2 %
Elongation at Break 10 %10 %in 50 mm
Tensile Modulus 45.0 GPa6530 ksi
Compressive Yield Strength 195 MPa28300 psiat 0.2% offset
Compressive Strength 448 MPa65000 psi
Compressive Modulus 44.0 GPa6380 ksi
Poissons Ratio 0.350.35
Fracture Toughness 27.0 MPa-m½24.6 ksi-in½Plane-Strain
Machinability 100 %100 %Relative Rating, 100=Best
Shear Modulus 17.0 GPa2470 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000560 ohm-cm0.00000560 ohm-cm
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 370 J/g159 BTU/lbEstimated from trends in similar Mg alloys.
CTE, linear  26.5 µm/m-°C
@Temperature 0.000 - 100 °C
14.7 µin/in-°F
@Temperature 32.0 - 212 °F
 27.1 µm/m-°C
@Temperature 20.0 - 200 °C
15.1 µin/in-°F
@Temperature 68.0 - 392 °F
Specific Heat Capacity 0.960 J/g-°C0.229 BTU/lb-°F
Thermal Conductivity 109 W/m-K756 BTU-in/hr-ft²-°F
Melting Point 510 - 635 °C950 - 1180 °F
Solidus 510 °C950 °F
Liquidus 635 °C1180 °F
 
Processing PropertiesMetricEnglishComments
Casting Temperature 750 - 820 °C1380 - 1510 °FSand Casting
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu <= 0.10 %<= 0.10 %
Magnesium, Mg 91 %91 %
Neodymium, Nd 2.1 - 3.0 %2.1 - 3.0 %
Nickel, Ni <= 0.010 %<= 0.010 %
Zinc, Zn 5.5 - 6.0 %5.5 - 6.0 %
Zirconium, Zr 0.40 - 1.0 %0.40 - 1.0 %

References for this datasheet.

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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MMZE63 / 12473

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