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C17000 Copper vs. ZE41A Magnesium

C17000 copper belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 C17000 copper and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 1.1 to 31
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
18
Shear Strength, MPa 320 to 750
150
Tensile Strength: Ultimate (UTS), MPa 490 to 1310
210
Tensile Strength: Yield (Proof), MPa 160 to 1140
140

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 270
150
Melting Completion (Liquidus), °C 980
640
Melting Onset (Solidus), °C 870
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
27
Electrical Conductivity: Equal Weight (Specific), % IACS 22
130

Otherwise Unclassified Properties

Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 8.7
24
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 390
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5420
220
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 15 to 41
31
Strength to Weight: Bending, points 16 to 30
41
Thermal Diffusivity, mm2/s 32
59
Thermal Shock Resistance, points 17 to 45
12

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.6 to 1.8
0
Copper (Cu), % 96.3 to 98.2
0 to 0.1
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0.2 to 0.6
0 to 0.010
Silicon (Si), % 0 to 0.2
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