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7005-O Aluminum vs. ISO-WD21150-O

7005-O aluminum belongs to the aluminum alloys classification, while ISO-WD21150-O 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-O aluminum and the bottom bar is ISO-WD21150-O.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 20
11
Fatigue Strength, MPa 100
120
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 120
150
Tensile Strength: Ultimate (UTS), MPa 200
240
Tensile Strength: Yield (Proof), MPa 95
120

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 170
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
19
Electrical Conductivity: Equal Weight (Specific), % IACS 130
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
23
Resilience: Unit (Modulus of Resilience), kJ/m3 65
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
70
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 26
52
Thermal Diffusivity, mm2/s 65
60
Thermal Shock Resistance, points 8.7
15

Alloy Composition

Aluminum (Al), % 91 to 94.7
2.4 to 3.6
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0 to 0.0050
Magnesium (Mg), % 1.0 to 1.8
94 to 97
Manganese (Mn), % 0.2 to 0.7
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.35
0 to 0.1
Titanium (Ti), % 0.010 to 0.060
0
Zinc (Zn), % 4.0 to 5.0
0.5 to 1.5
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.3