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C96600 Copper vs. ZK61A Magnesium

C96600 copper belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C96600 copper and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
46
Elongation at Break, % 7.0
5.8 to 7.1
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
18
Tensile Strength: Ultimate (UTS), MPa 760
290 to 310
Tensile Strength: Yield (Proof), MPa 480
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 280
120
Melting Completion (Liquidus), °C 1180
640
Melting Onset (Solidus), °C 1100
530
Specific Heat Capacity, J/kg-K 400
960
Thermal Conductivity, W/m-K 30
120
Thermal Expansion, µm/m-K 15
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
29
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
130

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 7.0
23
Embodied Energy, MJ/kg 100
160
Embodied Water, L/kg 280
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 830
370 to 420
Stiffness to Weight: Axial, points 8.7
13
Stiffness to Weight: Bending, points 20
62
Strength to Weight: Axial, points 24
42 to 45
Strength to Weight: Bending, points 21
50 to 53
Thermal Diffusivity, mm2/s 8.4
65
Thermal Shock Resistance, points 25
17 to 18

Alloy Composition

Beryllium (Be), % 0.4 to 0.7
0
Copper (Cu), % 63.5 to 69.8
0 to 0.1
Iron (Fe), % 0.8 to 1.1
0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
0 to 0.010
Silicon (Si), % 0 to 0.15
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3