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AM60B Magnesium vs. C70250 Copper

AM60B magnesium belongs to the magnesium alloys classification, while C70250 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 AM60B magnesium and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Tensile Strength: Ultimate (UTS), MPa 230
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 620
1100
Melting Onset (Solidus), °C 540
1080
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 61
170
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 72
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
2.9
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 990
310

Common Calculations

Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 38
16 to 23
Strength to Weight: Bending, points 50
16 to 21
Thermal Diffusivity, mm2/s 37
49
Thermal Shock Resistance, points 14
18 to 26

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Copper (Cu), % 0 to 0.010
92.7 to 97.5
Iron (Fe), % 0 to 0.0050
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 92.6 to 94.3
0.050 to 0.3
Manganese (Mn), % 0.24 to 0.6
0 to 0.1
Nickel (Ni), % 0 to 0.0020
2.2 to 4.2
Silicon (Si), % 0 to 0.1
0.25 to 1.2
Zinc (Zn), % 0 to 0.22
0 to 1.0
Residuals, % 0
0 to 0.5