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K1A Magnesium vs. C14520 Copper

K1A magnesium belongs to the magnesium alloys classification, while C14520 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 K1A magnesium and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
120
Elongation at Break, % 13
9.0 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 55
170 to 190
Tensile Strength: Ultimate (UTS), MPa 180
290 to 330
Tensile Strength: Yield (Proof), MPa 51
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 650
1050
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
85
Electrical Conductivity: Equal Weight (Specific), % IACS 170
85

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 170
42
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 30
240 to 280
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 31
9.0 to 10
Strength to Weight: Bending, points 43
11 to 12
Thermal Diffusivity, mm2/s 75
94
Thermal Shock Resistance, points 11
10 to 12

Alloy Composition


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Copper (Cu), % 0
99.2 to 99.596
Magnesium (Mg), % 98.7 to 99.6
0
Phosphorus (P), % 0
0.0040 to 0.020
Tellurium (Te), % 0
0.4 to 0.7
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0