Magnesium AZ63A-T6, Sand Cast

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Magnesium AZ63A-T6, 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 Not typically used anymore - largely superseded by AZ91.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	73	73	500 kg load, 10 mm ball
Hardness, Knoop	96	96	Estimated from Brinell
Hardness, Rockwell E	73	73
Hardness, Vickers	83	83	Estimated from Brinell
Tensile Strength, Ultimate	275 MPa	39900 psi
	55.0 MPa @Temperature 315 °C, Time 601 sec	7980 psi @Temperature 599 °F, Time 0.167 hour	tested at elevated temperature
	110 MPa @Temperature 205 °C, Time 3.60e+6 sec	16000 psi @Temperature 401 °F, Time 1000 hour	tested at elevated temperature
	165 MPa @Temperature 150 °C, Time 601 sec	23900 psi @Temperature 302 °F, Time 0.167 hour	tested at elevated temperature
Tensile Strength, Yield	130 MPa @Strain 0.2 %	18900 psi @Strain 0.2 %
Elongation at Break	5.0 %	5.0 %	in 50 mm
Tensile Modulus	45.0 GPa	6530 ksi
Compressive Yield Strength	130 MPa	18900 psi	at 0.2% offset
Ultimate Bearing Strength	415 MPa	60200 psi
Bearing Yield Strength	360 MPa	52200 psi
Poissons Ratio	0.35	0.35
Fatigue Strength	76.0 MPa @# of Cycles 5.00e+8	11000 psi @# of Cycles 5.00e+8	R.R. Moore Test
	76.0 - 103 MPa @# of Cycles 1.00e+8	11000 - 14900 psi @# of Cycles 1.00e+8	Rotating Beam, R=-1
	82.0 - 110 MPa @# of Cycles 1.00e+7	11900 - 16000 psi @# of Cycles 1.00e+7	Rotating Beam, R=-1
	103 - 124 MPa @# of Cycles 1.00e+6	14900 - 18000 psi @# of Cycles 1.00e+6	Rotating Beam, R=-1
	117 - 138 MPa @# of Cycles 100000	17000 - 20000 psi @# of Cycles 100000	Rotating Beam, R=-1
	151 - 172 MPa @# of Cycles 1.00e+7	21900 - 24900 psi @# of Cycles 1.00e+7	Direct stress, R=0.25
	158 - 172 MPa @# of Cycles 1.00e+6	22900 - 24900 psi @# of Cycles 1.00e+6	Direct stress, R=0.25
	172 - 207 MPa @# of Cycles 100000	24900 - 30000 psi @# of Cycles 100000	Direct stress, R=0.25
Machinability	100 %	100 %	Relative Rating, 100=Best
Shear Modulus	17.0 GPa	2470 ksi
Shear Strength	145 MPa	21000 psi
Charpy Impact	1.50 J	1.11 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000118 ohm-cm	0.0000118 ohm-cm

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	61.0 W/m-K	423 BTU-in/hr-ft²-°F
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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