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ISO-WD32250 Magnesium vs. 7005 Aluminum

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
91 to 94.7
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.4
Magnesium (Mg), % 94.9 to 97.1
1.0 to 1.8
Manganese (Mn), % 0
0.2 to 0.7
Silicon (Si), % 0
0 to 0.35
Titanium (Ti), % 0
0.010 to 0.060
Zinc (Zn), % 2.5 to 4.0
4.0 to 5.0
Zirconium (Zr), % 0.45 to 0.8
0.080 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants