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AM50A Magnesium vs. C70400 Copper-nickel

AM50A magnesium belongs to the magnesium alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 AM50A magnesium and the bottom bar is C70400 copper-nickel.

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
45
Tensile Strength: Ultimate (UTS), MPa 210
300 to 310
Tensile Strength: Yield (Proof), MPa 120
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 620
1120
Melting Onset (Solidus), °C 570
1060
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 65
64
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
14
Electrical Conductivity: Equal Weight (Specific), % IACS 88
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 990
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
38 to 220
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 35
9.3 to 9.8
Strength to Weight: Bending, points 47
11 to 12
Thermal Diffusivity, mm2/s 39
18
Thermal Shock Resistance, points 13
10 to 11

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
0
Copper (Cu), % 0 to 0.010
89.8 to 93.6
Iron (Fe), % 0 to 0.0040
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0.3 to 0.8
Nickel (Ni), % 0 to 0.0020
4.8 to 6.2
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.22
0 to 1.0
Residuals, % 0
0 to 0.5