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EN-MC65210 Magnesium vs. C95700 Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C95700 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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-MC65210 magnesium and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
130
Elongation at Break, % 2.8
23
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
47
Tensile Strength: Ultimate (UTS), MPa 270
680
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 610
990
Melting Onset (Solidus), °C 540
950
Specific Heat Capacity, J/kg-K 970
440
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.3

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.2
Embodied Carbon, kg CO2/kg material 27
3.3
Embodied Energy, MJ/kg 220
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
390
Stiffness to Weight: Axial, points 12
8.5
Stiffness to Weight: Bending, points 59
20
Strength to Weight: Axial, points 38
23
Strength to Weight: Bending, points 47
21
Thermal Diffusivity, mm2/s 58
3.3
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.5
Copper (Cu), % 0 to 0.030
71 to 78.5
Iron (Fe), % 0 to 0.010
2.0 to 4.0
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
11 to 14
Nickel (Ni), % 0 to 0.0050
1.5 to 3.0
Silicon (Si), % 0 to 0.010
0 to 0.1
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5