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ZK51A Magnesium vs. C11000 Copper

ZK51A magnesium belongs to the magnesium alloys classification, while C11000 copper belongs to the copper alloys. There are 29 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 C11000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 4.7
1.5 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 160
150 to 230
Tensile Strength: Ultimate (UTS), MPa 240
220 to 410
Tensile Strength: Yield (Proof), MPa 150
69 to 390

Thermal Properties

Latent Heat of Fusion, J/g 340
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 550
1070
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
390
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
100
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 1.8
9.0
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 940
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
6.1 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 260
21 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 64
18
Strength to Weight: Axial, points 36
6.8 to 13
Strength to Weight: Bending, points 47
9.0 to 14
Thermal Diffusivity, mm2/s 61
110
Thermal Shock Resistance, points 15
8.0 to 15

Alloy Composition

Copper (Cu), % 0 to 0.1
99.9 to 100
Magnesium (Mg), % 93.1 to 95.9
0
Nickel (Ni), % 0 to 0.010
0
Zinc (Zn), % 3.6 to 5.5
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.1