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C82700 Copper vs. ZK60A Magnesium

C82700 copper belongs to the copper alloys classification, while ZK60A 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 C82700 copper and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 1.8
4.5 to 9.9
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 46
18
Tensile Strength: Ultimate (UTS), MPa 1200
320 to 330
Tensile Strength: Yield (Proof), MPa 1020
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 300
120
Melting Completion (Liquidus), °C 950
600
Melting Onset (Solidus), °C 860
550
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 21
140

Otherwise Unclassified Properties

Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 12
23
Embodied Energy, MJ/kg 180
160
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
570 to 690
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 38
47 to 49
Strength to Weight: Bending, points 29
55 to 56
Thermal Diffusivity, mm2/s 39
66
Thermal Shock Resistance, points 41
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
92.5 to 94.8
Nickel (Ni), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3