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MMAZ96
Magnesium AZ91D-F, Cast
Categories: Metal; Nonferrous Metal; Magnesium Alloy
Material
Notes:
Mg content calculated as balance. Information provided by Starmet and the references. AZ91A, B, C, D, and E have the same nominal composition but differ in
ranges and/or specified impurity limits. This high purity alloy has excellent corrosion resistance. It is the most commonly used magnesium die casting alloy.
Key Words: UNS M11916; Mg; European EN 1753 MC 21120; ASTM B 94;SAE J465 (Ingot UNS M11917)
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Physical Properties
Metric
English
Comments
Density
1.81 g/cc
0.0654 lb/in
³
Mechanical Properties
Metric
English
Comments
Hardness, Brinell
63.0
63.0
500 kg load, 10 mm ball
Hardness, Knoop
84.0
84.0
Estimated from Brinell
Hardness, Rockwell E
75.0
75.0
Hardness, Vickers
71.0
71.0
Estimated from Brinell
Tensile Strength, Ultimate
230 MPa
33400 psi
Tensile Strength, Yield
150 MPa
21800 psi
at 0.2% Offset
Elongation at Break
3.00 %
3.00 %
in 50 mm
Modulus of Elasticity
44.8 GPa
6500 ksi
In Tension
Compressive Yield Strength
165 MPa
23900 psi
at 0.2% offset
Poissons Ratio
0.350
0.350
Charpy Impact
2.70 J
1.99 ft-lb
V-notch
Fatigue Strength
97.0 MPa
@# of Cycles 5.00e+8
14100 psi
@# of Cycles 5.00e+8
R.R. Moore Test
Shear Modulus
17.0 GPa
2470 ksi
Shear Strength
140 MPa
20300 psi
Electrical Properties
Metric
English
Comments
Electrical Resistivity
0.0000143 ohm-cm
0.0000143 ohm-cm
Thermal Properties
Metric
English
Comments
Heat of Fusion
373 J/g
160 BTU/lb
CTE, linear 20°C
26.0 µm/m-°C
14.4 µin/in-°F
at 25°C
CTE, linear 100°C
27.2 µm/m-°C
15.1 µin/in-°F
20-200°C
Specific Heat Capacity
1.047 J/g-°C
0.2502 BTU/lb-°F
Thermal Conductivity
72.7 W/m-K
505 BTU-in/hr-ft²-°F
Melting Point
>= 421 °C
>= 790 °F
Incipient Melting
Solidus
470 °C
878 °F
Liquidus
595 °C
1100 °F
Processing Properties
Metric
English
Comments
Casting Temperature
640 - 675 °C
1180 - 1250 °F
Die Casting
Material Components Properties
Metric
English
Comments
Aluminum, Al
8.30 - 9.70 %
8.30 - 9.70 %
Copper, Cu
<= 0.0300 %
<= 0.0300 %
Iron, Fe
<= 0.00500 %
<= 0.00500 %
Magnesium, Mg
90.0 %
90.0 %
Manganese, Mn
>= 0.130 %
>= 0.130 %
Nickel, Ni
<= 0.00200 %
<= 0.00200 %
Silicon, Si
<= 0.100 %
<= 0.100 %
Zinc, Zn
0.350 - 1.00 %
0.350 - 1.00 %
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