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ISO-WD43150 Magnesium vs. C14200 Copper

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C14200 copper belongs to the copper alloys. There are 30 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 C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.8
8.0 to 45
Fatigue Strength, MPa 100
76 to 130
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 140
150 to 200
Tensile Strength: Ultimate (UTS), MPa 250
220 to 370
Tensile Strength: Yield (Proof), MPa 150
75 to 340

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
190
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
45
Electrical Conductivity: Equal Weight (Specific), % IACS 170
45

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 250
24 to 500
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
6.8 to 11
Strength to Weight: Bending, points 52
9.1 to 13
Thermal Diffusivity, mm2/s 81
56
Thermal Shock Resistance, points 14
7.9 to 13

Alloy Composition


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Arsenic (As), % 0
0.15 to 0.5
Copper (Cu), % 0 to 0.050
99.4 to 99.835
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.015 to 0.040
Silicon (Si), % 0 to 0.1
0
Residuals, % 0 to 0.3
0