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Ensinger PEI

Magnesium EQ21-T6, Cast
Categories: Metal; Nonferrous Metal; Magnesium Alloy

Material Notes:

Key Words: UNS M16330; Mg
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Physical PropertiesMetricEnglishComments
Density 1.81 g/cc0.0654 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 7070500 kg load, 10 mm ball
Hardness, Knoop 9393Estimated from Brinell
Hardness, Vickers 8080Estimated from Brinell
Tensile Strength, Ultimate 235 MPa34100 psi
Tensile Strength, Yield 170 MPa
@Strain 0.2 %
24700 psi
@Strain 0.2 %
Elongation at Break 2.0 %2.0 %in 50 mm
Tensile Modulus 45.0 GPa6530 ksi
Compressive Yield Strength 195 MPa28300 psiat 0.2% offset
Poissons Ratio 0.350.35
Fatigue Strength 100 MPa
@# of Cycles 5.00e+7
14500 psi
@# of Cycles 5.00e+7
unnotched, rotating beam
Shear Modulus 17.0 GPa2470 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000685 ohm-cm0.00000685 ohm-cm
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 373 J/g160 BTU/lb
CTE, linear  26.7 µm/m-°C
@Temperature 0.000 - 100 °C
14.8 µin/in-°F
@Temperature 32.0 - 212 °F
 27.0 µm/m-°C
@Temperature 20.0 - 200 °C
15.0 µin/in-°F
@Temperature 68.0 - 392 °F
Estimated from similar Mg alloys
Specific Heat Capacity 1.00 J/g-°C0.239 BTU/lb-°F
Thermal Conductivity 113 W/m-K784 BTU-in/hr-ft²-°F
Melting Point 540 - 640 °C1000 - 1180 °F
Solidus 540 °C1000 °F
Liquidus 640 °C1180 °F
 
Processing PropertiesMetricEnglishComments
Casting Temperature 750 - 820 °C1380 - 1510 °FCasting Temperature
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 0.050 - 0.10 %0.050 - 0.10 %
Magnesium, Mg 96 %96 %As Remainder
Neodymium, Nd 1.75 - 2.5 %1.75 - 2.5 %Nd-rich rare earths
Nickel, Ni <= 0.010 %<= 0.010 %
Silver, Ag 1.3 - 1.7 %1.3 - 1.7 %
Zirconium, Zr 0.40 - 1.0 %0.40 - 1.0 %

References for this datasheet.

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