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EN-MC21230 Magnesium vs. C65400 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C65400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
2.6 to 47
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 130
350 to 530
Tensile Strength: Ultimate (UTS), MPa 220
500 to 1060
Tensile Strength: Yield (Proof), MPa 140
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 600
1020
Melting Onset (Solidus), °C 520
960
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 72
36
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 63
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130 to 3640
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 36
16 to 34
Strength to Weight: Bending, points 48
16 to 27
Thermal Diffusivity, mm2/s 43
10
Thermal Shock Resistance, points 13
18 to 39

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Chromium (Cr), % 0
0.010 to 0.12
Copper (Cu), % 0 to 0.010
93.8 to 96.1
Iron (Fe), % 0 to 0.0050
0
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
Silicon (Si), % 0 to 0.1
2.7 to 3.4
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.010
0 to 0.2