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295.0-T7 Aluminum vs. AM100A-T7 Magnesium

295.0-T7 aluminum belongs to the aluminum alloys classification, while AM100A-T7 magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 295.0-T7 aluminum and the bottom bar is AM100A-T7 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 230
260
Tensile Strength: Yield (Proof), MPa 120
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 530
460
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 140
73
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
59

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.5
1.3 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 110
190
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 21
42
Strength to Weight: Bending, points 28
53
Thermal Diffusivity, mm2/s 54
43
Thermal Shock Resistance, points 9.9
16

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
9.3 to 10.7
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.030
87.9 to 90.6
Manganese (Mn), % 0 to 0.35
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.7 to 1.5
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0 to 0.3
Residuals, % 0
0 to 0.3