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7005 Aluminum vs. ISO-WD32250 Magnesium

7005 aluminum belongs to the aluminum alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 30 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 7005 aluminum and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 10 to 20
4.5 to 8.6
Fatigue Strength, MPa 100 to 190
170 to 210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 120 to 230
180 to 190
Tensile Strength: Ultimate (UTS), MPa 200 to 400
310 to 330
Tensile Strength: Yield (Proof), MPa 95 to 350
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 380
340
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 140 to 170
130
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.9
1.8
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
630 to 930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
67
Strength to Weight: Axial, points 19 to 38
49 to 51
Strength to Weight: Bending, points 26 to 41
58 to 60
Thermal Diffusivity, mm2/s 54 to 65
72
Thermal Shock Resistance, points 8.7 to 18
19 to 20

Alloy Composition

Aluminum (Al), % 91 to 94.7
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 1.0 to 1.8
94.9 to 97.1
Manganese (Mn), % 0.2 to 0.7
0
Silicon (Si), % 0 to 0.35
0
Titanium (Ti), % 0.010 to 0.060
0
Zinc (Zn), % 4.0 to 5.0
2.5 to 4.0
Zirconium (Zr), % 0.080 to 0.2
0.45 to 0.8
Residuals, % 0
0 to 0.3

Comparable Variants