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C70260 Copper vs. ZC63A Magnesium

C70260 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 (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 C70260 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, % 9.5 to 19
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
19
Shear Strength, MPa 320 to 450
130
Tensile Strength: Ultimate (UTS), MPa 520 to 760
220
Tensile Strength: Yield (Proof), MPa 410 to 650
130

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 200
98
Melting Completion (Liquidus), °C 1060
550
Melting Onset (Solidus), °C 1040
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 50
32
Electrical Conductivity: Equal Weight (Specific), % IACS 40 to 51
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.9
2.1
Embodied Carbon, kg CO2/kg material 2.7
22
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 310
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 46 to 140
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 1810
190
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 16 to 24
29
Strength to Weight: Bending, points 16 to 21
38
Thermal Diffusivity, mm2/s 45
58
Thermal Shock Resistance, points 18 to 27
12

Alloy Composition

Copper (Cu), % 95.8 to 98.8
2.4 to 3.0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 1.0 to 3.0
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.2 to 0.7
0 to 0.2
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0 to 0.5
0 to 0.3