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K1A Magnesium vs. C82000 Copper

K1A magnesium belongs to the magnesium alloys classification, while C82000 copper belongs to the copper alloys. There are 28 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 K1A magnesium and the bottom bar is C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
120
Elongation at Break, % 13
8.0 to 20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 180
350 to 690
Tensile Strength: Yield (Proof), MPa 51
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 650
1090
Melting Onset (Solidus), °C 650
970
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
260
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
45
Electrical Conductivity: Equal Weight (Specific), % IACS 170
46

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
5.0
Embodied Energy, MJ/kg 170
77
Embodied Water, L/kg 970
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 30
80 to 1120
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 31
11 to 22
Strength to Weight: Bending, points 43
12 to 20
Thermal Diffusivity, mm2/s 75
76
Thermal Shock Resistance, points 11
12 to 24

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0
95.2 to 97.4
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 98.7 to 99.6
0
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.5