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M1A Magnesium vs. C12000 Copper

M1A magnesium belongs to the magnesium alloys classification, while C12000 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 M1A magnesium and the bottom bar is C12000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 5.5
2.8 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 120
160 to 240
Tensile Strength: Ultimate (UTS), MPa 230
230 to 410
Tensile Strength: Yield (Proof), MPa 130
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 580
1080
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 150
390
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
98
Electrical Conductivity: Equal Weight (Specific), % IACS 190
98

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
10 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 180
25 to 690
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 38
7.2 to 13
Strength to Weight: Bending, points 49
9.4 to 14
Thermal Diffusivity, mm2/s 88
110
Thermal Shock Resistance, points 13
8.2 to 15

Alloy Composition

Calcium (Ca), % 0 to 0.3
0
Copper (Cu), % 0 to 0.050
99.9 to 99.996
Magnesium (Mg), % 97.2 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.0040 to 0.012
Silicon (Si), % 0 to 0.1
0
Residuals, % 0 to 0.3
0