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ISO-WD43150 Magnesium vs. C11300 Copper

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C11300 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ISO-WD43150 magnesium and the bottom bar is C11300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.8
2.3 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 140
160 to 240
Tensile Strength: Ultimate (UTS), MPa 250
230 to 410
Tensile Strength: Yield (Proof), MPa 150
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 590
1030
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 140
390
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
100
Electrical Conductivity: Equal Weight (Specific), % IACS 170
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.7
9.0
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 970
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
8.5 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 250
25 to 690
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
7.2 to 13
Strength to Weight: Bending, points 52
9.4 to 14
Thermal Diffusivity, mm2/s 81
110
Thermal Shock Resistance, points 14
8.2 to 15

Alloy Composition


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Copper (Cu), % 0 to 0.050
99.85 to 99.973
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0.027 to 0.050
Residuals, % 0 to 0.3
0 to 0.1