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C12900 Copper vs. ZC63A Magnesium

C12900 copper belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium 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 C12900 copper and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
48
Elongation at Break, % 2.8 to 50
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
19
Shear Strength, MPa 150 to 210
130
Tensile Strength: Ultimate (UTS), MPa 220 to 420
220
Tensile Strength: Yield (Proof), MPa 75 to 380
130

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
98
Melting Completion (Liquidus), °C 1080
550
Melting Onset (Solidus), °C 1030
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 380
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
32
Electrical Conductivity: Equal Weight (Specific), % IACS 98
140

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 9.0
2.1
Embodied Carbon, kg CO2/kg material 2.6
22
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 330
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
190
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 6.8 to 13
29
Strength to Weight: Bending, points 9.1 to 14
38
Thermal Diffusivity, mm2/s 110
58
Thermal Shock Resistance, points 7.8 to 15
12

Alloy Composition

Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Copper (Cu), % 99.88 to 100
2.4 to 3.0
Lead (Pb), % 0 to 0.0040
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3