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EN-MC65120 Magnesium vs. C51000 Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C51000 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-MC65120 magnesium and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
2.7 to 64
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
42
Shear Strength, MPa 92
250 to 460
Tensile Strength: Ultimate (UTS), MPa 160
330 to 780
Tensile Strength: Yield (Proof), MPa 110
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 590
1050
Melting Onset (Solidus), °C 520
960
Specific Heat Capacity, J/kg-K 970
380
Thermal Conductivity, W/m-K 100
77
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
18
Electrical Conductivity: Equal Weight (Specific), % IACS 120
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 25
3.1
Embodied Energy, MJ/kg 190
50
Embodied Water, L/kg 930
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 140
75 to 2490
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
10 to 25
Strength to Weight: Bending, points 34
12 to 21
Thermal Diffusivity, mm2/s 56
23
Thermal Shock Resistance, points 9.8
12 to 28

Alloy Composition


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Copper (Cu), % 0 to 0.030
92.9 to 95.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
4.5 to 5.8
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5