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K1A Magnesium vs. C82400 Copper

K1A magnesium belongs to the magnesium alloys classification, while C82400 copper belongs to the copper alloys. There are 27 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 C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
120
Elongation at Break, % 13
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 180
500 to 1030
Tensile Strength: Yield (Proof), MPa 51
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
270
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 650
900
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
25
Electrical Conductivity: Equal Weight (Specific), % IACS 170
26

Otherwise Unclassified Properties

Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 24
8.9
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 30
270 to 3870
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 73
19
Strength to Weight: Axial, points 31
16 to 33
Strength to Weight: Bending, points 43
16 to 26
Thermal Diffusivity, mm2/s 75
39
Thermal Shock Resistance, points 11
17 to 36

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0
96 to 98.2
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 98.7 to 99.6
0
Nickel (Ni), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.5