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EN-MC95310 Magnesium vs. C18900 Copper

EN-MC95310 magnesium belongs to the magnesium alloys classification, while C18900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 EN-MC95310 magnesium and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.2
14 to 48
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 160
190 to 300
Tensile Strength: Ultimate (UTS), MPa 280
260 to 500
Tensile Strength: Yield (Proof), MPa 190
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 540
1020
Specific Heat Capacity, J/kg-K 960
390
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
30
Electrical Conductivity: Equal Weight (Specific), % IACS 50
30

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 29
2.7
Embodied Energy, MJ/kg 260
42
Embodied Water, L/kg 900
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 420
20 to 660
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 61
18
Strength to Weight: Axial, points 40
8.2 to 16
Strength to Weight: Bending, points 49
10 to 16
Thermal Diffusivity, mm2/s 28
38
Thermal Shock Resistance, points 18
9.3 to 18

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 0 to 0.030
97.7 to 99.15
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.020
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0.1 to 0.3
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.010
0.15 to 0.4
Tin (Sn), % 0
0.6 to 0.9
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5