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CR012A Copper vs. ISO-WD21150 Magnesium

CR012A copper belongs to the copper alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 28 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 CR012A copper and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 15
5.7 to 11
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
17
Tensile Strength: Ultimate (UTS), MPa 220
240 to 290
Tensile Strength: Yield (Proof), MPa 130
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1090
600
Melting Onset (Solidus), °C 1040
550
Specific Heat Capacity, J/kg-K 390
990
Thermal Conductivity, W/m-K 390
100
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
19
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 9.0
1.7
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 360
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 76
160 to 460
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
70
Strength to Weight: Axial, points 6.8
40 to 48
Strength to Weight: Bending, points 9.0
52 to 58
Thermal Diffusivity, mm2/s 110
60
Thermal Shock Resistance, points 7.8
15 to 17

Alloy Composition

Aluminum (Al), % 0
2.4 to 3.6
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
0 to 0.050
Iron (Fe), % 0
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0.060 to 0.080
0
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3