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K1A Magnesium vs. C16200 Copper

K1A magnesium belongs to the magnesium alloys classification, while C16200 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 C16200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
120
Elongation at Break, % 13
2.0 to 56
Fatigue Strength, MPa 39
100 to 210
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 55
190 to 390
Tensile Strength: Ultimate (UTS), MPa 180
240 to 550
Tensile Strength: Yield (Proof), MPa 51
48 to 470

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
370
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 650
1030
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
360
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
90
Electrical Conductivity: Equal Weight (Specific), % IACS 170
90

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 1.6
9.0
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 170
41
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
10 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 30
10 to 970
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 31
7.4 to 17
Strength to Weight: Bending, points 43
9.6 to 17
Thermal Diffusivity, mm2/s 75
100
Thermal Shock Resistance, points 11
8.7 to 20

Alloy Composition


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Cadmium (Cd), % 0
0.7 to 1.2
Copper (Cu), % 0
98.6 to 99.3
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 98.7 to 99.6
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0