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AS41B Magnesium vs. C96400 Copper-nickel

AS41B magnesium belongs to the magnesium alloys classification, while C96400 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 6.0
25
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
51
Tensile Strength: Ultimate (UTS), MPa 210
490
Tensile Strength: Yield (Proof), MPa 140
260

Thermal Properties

Latent Heat of Fusion, J/g 370
240
Maximum Temperature: Mechanical, °C 110
260
Melting Completion (Liquidus), °C 620
1240
Melting Onset (Solidus), °C 570
1170
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 68
28
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 92
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
5.9
Embodied Energy, MJ/kg 160
87
Embodied Water, L/kg 980
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
250
Stiffness to Weight: Axial, points 15
8.6
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 35
15
Strength to Weight: Bending, points 47
16
Thermal Diffusivity, mm2/s 41
7.8
Thermal Shock Resistance, points 13
17

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.020
62.3 to 71.3
Iron (Fe), % 0 to 0.0035
0.25 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 1.5
Nickel (Ni), % 0 to 0.0020
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.12
0
Residuals, % 0
0 to 0.5