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CR003A Copper vs. M1A Magnesium

CR003A copper belongs to the copper alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 28 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 CR003A copper and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 15
5.5
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Tensile Strength: Ultimate (UTS), MPa 230
230
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Maximum Temperature: Mechanical, °C 200
95
Melting Completion (Liquidus), °C 1090
610
Melting Onset (Solidus), °C 1040
580
Specific Heat Capacity, J/kg-K 390
990
Thermal Conductivity, W/m-K 380
150
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
190

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 9.0
1.7
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 310
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
11
Resilience: Unit (Modulus of Resilience), kJ/m3 83
180
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
71
Strength to Weight: Axial, points 7.1
38
Strength to Weight: Bending, points 9.3
49
Thermal Diffusivity, mm2/s 110
88
Thermal Shock Resistance, points 8.1
13

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 99.954 to 100
0 to 0.050
Iron (Fe), % 0 to 0.0010
0
Lead (Pb), % 0 to 0.00050
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.040
0
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Residuals, % 0
0 to 0.3