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AS41B Magnesium vs. C55280 Copper

AS41B magnesium belongs to the magnesium alloys classification, while C55280 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 AS41B magnesium and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 210
180

Thermal Properties

Latent Heat of Fusion, J/g 370
190
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 620
790
Melting Onset (Solidus), °C 570
640
Specific Heat Capacity, J/kg-K 1000
410
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.5
Embodied Carbon, kg CO2/kg material 23
4.2
Embodied Energy, MJ/kg 160
67

Common Calculations

Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 35
5.9
Strength to Weight: Bending, points 47
8.3
Thermal Shock Resistance, points 13
7.4

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Copper (Cu), % 0 to 0.020
90.5 to 91.4
Iron (Fe), % 0 to 0.0035
0
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
6.8 to 7.2
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.12
0
Residuals, % 0
0 to 0.15