Magnesium AZ63A-T7, Sand Cast

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Magnesium AZ63A-T7, Sand Cast
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	Sand Casting is ASTM B 80; SAE J465. Good room temperature strength, ductility, and toughness. Commonly used for parts in commercial and military structural applications requiring moderate strength and good ductility and toughness. Not typically used anymore - largely superseded by AZ91.
Key Words:	UNS M11630; Elektron AZG; Mg; Old SAE 50; AMS 4420; AMS 4422; AMS 4424; ASTM B 80; SAE J465 (Ingot UNS M11631)
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Physical Properties	Metric	English	Comments

Density	1.83 g/cc	0.0661 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	64	64	500 kg load, 10 mm ball
Hardness, Knoop	87	87	Estimated from Brinell
Hardness, Rockwell E	76	76
Hardness, Vickers	76	76	Estimated from Brinell
Tensile Strength, Ultimate	275 MPa	39900 psi
Tensile Strength, Yield	115 MPa @Strain 0.2 %	16700 psi @Strain 0.2 %
Elongation at Break	6.0 %	6.0 %	in 50 mm
Tensile Modulus	45.0 GPa	6530 ksi
Compressive Yield Strength	115 MPa	16700 psi	at 0.2% offset
Ultimate Bearing Strength	515 MPa	74700 psi
Bearing Yield Strength	515 MPa	74700 psi
Poissons Ratio	0.35	0.35
Fatigue Strength	115 MPa @# of Cycles 5.00e+8	16700 psi @# of Cycles 5.00e+8	R.R. Moore Test
Machinability	100 %	100 %	Relative Rating, 100=Best
Shear Modulus	17.0 GPa	2470 ksi
Shear Strength	140 MPa	20300 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000130 ohm-cm	0.0000130 ohm-cm	Estimated from trends in similar alloys.

Thermal Properties	Metric	English	Comments
Heat of Fusion	373 J/g	160 BTU/lb
CTE, linear	26.1 µm/m-°C @Temperature 0.000 - 100 °C	14.5 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	1.05 J/g-°C	0.251 BTU/lb-°F
Thermal Conductivity	65.1 W/m-K	452 BTU-in/hr-ft²-°F	(-T4 Temper)
Melting Point	>= 360 °C	>= 680 °F	Incipient Melting
Solidus	455 °C	851 °F
Liquidus	610 °C	1130 °F

Processing Properties	Metric	English	Comments
Casting Temperature	705 - 845 °C	1300 - 1550 °F	Sand Casting

Component Elements Properties	Metric	English	Comments
Aluminum, Al	5.3 - 6.7 %	5.3 - 6.7 %
Copper, Cu	<= 0.25 %	<= 0.25 %
Magnesium, Mg	91 %	91 %	As Remainder
Manganese, Mn	>= 0.15 %	>= 0.15 %
Nickel, Ni	<= 0.010 %	<= 0.010 %
Silicon, Si	<= 0.30 %	<= 0.30 %
Zinc, Zn	2.5 - 3.5 %	2.5 - 3.5 %

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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MMAZ67 / 12327

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