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EN-MC65210 Magnesium vs. C95820 Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C95820 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 C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.8
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Tensile Strength: Ultimate (UTS), MPa 270
730
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 540
1020
Specific Heat Capacity, J/kg-K 970
440
Thermal Conductivity, W/m-K 110
38
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.2

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.3
Embodied Carbon, kg CO2/kg material 27
3.5
Embodied Energy, MJ/kg 220
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
86
Resilience: Unit (Modulus of Resilience), kJ/m3 450
400
Stiffness to Weight: Axial, points 12
8.0
Stiffness to Weight: Bending, points 59
20
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 17
25

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Copper (Cu), % 0 to 0.030
77.5 to 82.5
Iron (Fe), % 0 to 0.010
4.0 to 5.0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
4.5 to 5.8
Silicon (Si), % 0 to 0.010
0 to 0.1
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0
0 to 0.020
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.8