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C99300 Copper vs. ZE41A Magnesium

C99300 copper belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 C99300 copper and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
63
Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 2.0
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 46
18
Tensile Strength: Ultimate (UTS), MPa 660
210
Tensile Strength: Yield (Proof), MPa 380
140

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 250
150
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1070
540
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 43
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
130

Otherwise Unclassified Properties

Base Metal Price, % relative 35
18
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 4.5
24
Embodied Energy, MJ/kg 70
170
Embodied Water, L/kg 400
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 590
220
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
41
Thermal Diffusivity, mm2/s 12
59
Thermal Shock Resistance, points 22
12

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
0
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0 to 0.1
Iron (Fe), % 0.4 to 1.0
0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 13.5 to 16.5
0 to 0.010
Silicon (Si), % 0 to 0.020
0
Tin (Sn), % 0 to 0.050
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3