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ZK51A Magnesium vs. C82400 Copper

ZK51A magnesium belongs to the magnesium alloys classification, while C82400 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 ZK51A magnesium and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 4.7
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
45
Tensile Strength: Ultimate (UTS), MPa 240
500 to 1030
Tensile Strength: Yield (Proof), MPa 150
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 120
270
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 970
380
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
26

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.8
Embodied Carbon, kg CO2/kg material 24
8.9
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 940
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 260
270 to 3870
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 64
19
Strength to Weight: Axial, points 36
16 to 33
Strength to Weight: Bending, points 47
16 to 26
Thermal Diffusivity, mm2/s 61
39
Thermal Shock Resistance, points 15
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0 to 0.1
96 to 98.2
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 93.1 to 95.9
0
Nickel (Ni), % 0 to 0.010
0 to 0.2
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 3.6 to 5.5
0 to 0.1
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.5