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C17510 Copper vs. ZK40A Magnesium

C17510 copper belongs to the copper alloys classification, while ZK40A magnesium belongs to the magnesium alloys. There are 29 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 C17510 copper and the bottom bar is ZK40A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 5.4 to 37
4.2
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
17
Shear Strength, MPa 210 to 500
160
Tensile Strength: Ultimate (UTS), MPa 310 to 860
280
Tensile Strength: Yield (Proof), MPa 120 to 750
260

Thermal Properties

Latent Heat of Fusion, J/g 220
340
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1070
600
Melting Onset (Solidus), °C 1030
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 210
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22 to 54
27
Electrical Conductivity: Equal Weight (Specific), % IACS 23 to 54
130

Otherwise Unclassified Properties

Base Metal Price, % relative 49
13
Density, g/cm3 8.9
1.8
Embodied Carbon, kg CO2/kg material 4.2
24
Embodied Energy, MJ/kg 65
160
Embodied Water, L/kg 310
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 92
12
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 2410
740
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
65
Strength to Weight: Axial, points 9.7 to 27
43
Strength to Weight: Bending, points 11 to 23
53
Thermal Diffusivity, mm2/s 60
62
Thermal Shock Resistance, points 11 to 30
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.2 to 0.6
0
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 95.9 to 98.4
0
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0
94.2 to 96.1
Nickel (Ni), % 1.4 to 2.2
0
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 0
3.5 to 4.5
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3