MakeItFrom.com
Menu (ESC)

705.0 Aluminum vs. ISO-WD21150 Magnesium

705.0 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 8.4 to 10
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 240 to 260
240 to 290
Tensile Strength: Yield (Proof), MPa 130
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
19
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 8.4
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
160 to 460
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
70
Strength to Weight: Axial, points 24 to 26
40 to 48
Strength to Weight: Bending, points 31 to 32
52 to 58
Thermal Diffusivity, mm2/s 55
60
Thermal Shock Resistance, points 11
15 to 17

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
2.4 to 3.6
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.8
0 to 0.0050
Magnesium (Mg), % 1.4 to 1.8
94 to 97
Manganese (Mn), % 0 to 0.6
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.3
0.5 to 1.5
Residuals, % 0
0 to 0.3