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EN-MC65220 Magnesium vs. CR006A Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while CR006A copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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-MC65220 magnesium and the bottom bar is CR006A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 340
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 610
1090
Melting Onset (Solidus), °C 550
1040
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
380
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 80
31
Density, g/cm3 1.9
9.0
Embodied Carbon, kg CO2/kg material 27
2.6
Embodied Energy, MJ/kg 210
41

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
31
Resilience: Unit (Modulus of Resilience), kJ/m3 450
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
7.1
Strength to Weight: Bending, points 49
9.3
Thermal Diffusivity, mm2/s 61
110
Thermal Shock Resistance, points 17
8.1

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
99.9 to 100
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Oxygen (O), % 0
0 to 0.1
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0 to 0.015
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0