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EN-MC21230 Magnesium vs. C63600 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C63600 bronze 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 EN-MC21230 magnesium and the bottom bar is C63600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
30 to 66
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
42
Shear Strength, MPa 130
320 to 360
Tensile Strength: Ultimate (UTS), MPa 220
410 to 540
Tensile Strength: Yield (Proof), MPa 140
150 to 260

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 600
1030
Melting Onset (Solidus), °C 520
980
Specific Heat Capacity, J/kg-K 1000
410
Thermal Conductivity, W/m-K 72
57
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
12
Electrical Conductivity: Equal Weight (Specific), % IACS 63
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 990
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
98 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 200
100 to 300
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 36
13 to 18
Strength to Weight: Bending, points 48
14 to 17
Thermal Diffusivity, mm2/s 43
16
Thermal Shock Resistance, points 13
15 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
3.0 to 4.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 0 to 0.010
93 to 96.3
Iron (Fe), % 0 to 0.0050
0 to 0.15
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 0.15
Silicon (Si), % 0 to 0.1
0.7 to 1.3
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.010
0 to 0.5