Magnesium ZH62A-T5, Cast

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Magnesium ZH62A-T5, Cast
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:
Key Words:	UNS M16620; Mg
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Physical Properties	Original Value	Comments

Density	1.86 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	70	500 kg load, 10 mm ball
Hardness, Knoop	93	Estimated from Brinell
Hardness, Vickers	80	Estimated from Brinell
Tensile Strength, Ultimate	240 MPa
	320 MPa @Temperature -196 °C
	330 MPa @Temperature -78.0 °C
	69.0 MPa @Temperature 315 °C, Time 601 sec	tested at elevated temperature
	195 MPa @Temperature 150 °C, Time 601 sec	tested at elevated temperature
Tensile Strength, Yield	200 MPa @Temperature -78.0 °C
	235 MPa @Temperature -196 °C
	170 MPa @Strain 0.2 %
Elongation at Break	4.0 %	in 50 mm
	1.0 % @Temperature -196 °C
	2.7 % @Temperature -78.0 °C
Creep Strength	17.0 MPa @Temperature 205 °C, Time 3.60e+6 sec	0.2% total extension
Modulus of Elasticity	38.0 GPa @Temperature 315 °C
	40.0 GPa @Temperature 205 °C
Tensile Modulus	45.0 GPa
Compressive Yield Strength	170 MPa	at 0.2% offset
Ultimate Bearing Strength	495 MPa
Bearing Yield Strength	340 MPa
Poissons Ratio	0.30
Machinability	100 %	Relative Rating, 100=Best
Shear Modulus	17.0 GPa
Shear Strength	165 MPa
Charpy Impact	1.02 J	V-notch
	1.02 J @Temperature -78.0 °C	Notched
	1.02 J @Temperature -196 °C	Notched
Charpy Impact, Unnotched	8.56 J @Temperature -196 °C
	15.02 J @Temperature 24.0 °C
	18.99 J @Temperature -78.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000650 ohm-cm

Thermal Properties	Original Value	Comments
Heat of Fusion	373 J/g
CTE, linear	27.0 µm/m-°C @Temperature 20.0 - 200 °C	Estimated from similar Mg alloys
	27.1 µm/m-°C @Temperature 0.000 - 100 °C
Specific Heat Capacity	0.960 J/g-°C
Thermal Conductivity	110 W/m-K
Melting Point	520 - 630 °C
Solidus	520 °C
Liquidus	630 °C

Processing Properties	Original Value	Comments
Casting Temperature	750 - 820 °C	Sand Casting

Component Elements Properties	Original Value	Comments
Copper, Cu	<= 0.10 %
Magnesium, Mg	92 %	As Remainder
Nickel, Ni	<= 0.010 %
Thorium, Th	1.4 - 2.2 %
Zinc, Zn	5.2 - 6.2 %
Zirconium, Zr	0.50 - 1.0 %

References for this datasheet.

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MMZH62 / 12474

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