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ISO-WD32350 Magnesium vs. C15100 Copper

ISO-WD32350 magnesium belongs to the magnesium alloys classification, while C15100 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-WD32350 magnesium and the bottom bar is C15100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 5.7 to 10
2.0 to 36
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 150 to 170
170 to 270
Tensile Strength: Ultimate (UTS), MPa 250 to 290
260 to 470
Tensile Strength: Yield (Proof), MPa 140 to 180
69 to 460

Thermal Properties

Latent Heat of Fusion, J/g 340
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 600
1100
Melting Onset (Solidus), °C 560
1030
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 130
360
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
95
Electrical Conductivity: Equal Weight (Specific), % IACS 130
95

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
9.0
Embodied Carbon, kg CO2/kg material 23
2.7
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 960
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 23
9.3 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
21 to 890
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 68
18
Strength to Weight: Axial, points 39 to 46
8.1 to 15
Strength to Weight: Bending, points 50 to 55
10 to 15
Thermal Diffusivity, mm2/s 73
100
Thermal Shock Resistance, points 16 to 18
9.3 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
99.8 to 99.95
Iron (Fe), % 0 to 0.060
0
Magnesium (Mg), % 95.7 to 97.7
0
Manganese (Mn), % 0.6 to 1.3
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 1.8 to 2.3
0
Zirconium (Zr), % 0
0.050 to 0.15
Residuals, % 0
0 to 0.1