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C82400 Copper vs. ZK61A Magnesium

C82400 copper belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium 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 C82400 copper and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 1.0 to 20
5.8 to 7.1
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
18
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
290 to 310
Tensile Strength: Yield (Proof), MPa 260 to 970
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 270
120
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 900
530
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29
Electrical Conductivity: Equal Weight (Specific), % IACS 26
130

Otherwise Unclassified Properties

Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 8.9
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
370 to 420
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
62
Strength to Weight: Axial, points 16 to 33
42 to 45
Strength to Weight: Bending, points 16 to 26
50 to 53
Thermal Diffusivity, mm2/s 39
65
Thermal Shock Resistance, points 17 to 36
17 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
0 to 0.1
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
92.1 to 93.9
Nickel (Ni), % 0 to 0.2
0 to 0.010
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3