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295.0 Aluminum vs. ZK51A Magnesium

295.0 aluminum belongs to the aluminum alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 295.0 aluminum and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 2.0 to 7.2
4.7
Fatigue Strength, MPa 44 to 55
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 180 to 230
160
Tensile Strength: Ultimate (UTS), MPa 230 to 280
240
Tensile Strength: Yield (Proof), MPa 100 to 220
150

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 530
550
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 3.0
1.8
Embodied Carbon, kg CO2/kg material 7.9
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
10
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
64
Strength to Weight: Axial, points 21 to 26
36
Strength to Weight: Bending, points 27 to 32
47
Thermal Diffusivity, mm2/s 54
61
Thermal Shock Resistance, points 9.8 to 12
15

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
0
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.030
93.1 to 95.9
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.7 to 1.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3