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EN-MC21310 Magnesium vs. C51100 Bronze

EN-MC21310 magnesium belongs to the magnesium alloys classification, while C51100 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-MC21310 magnesium and the bottom bar is C51100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 9.0
2.5 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
42
Shear Strength, MPa 120
230 to 410
Tensile Strength: Ultimate (UTS), MPa 200
330 to 720
Tensile Strength: Yield (Proof), MPa 120
93 to 700

Thermal Properties

Latent Heat of Fusion, J/g 360
200
Maximum Temperature: Mechanical, °C 100
190
Melting Completion (Liquidus), °C 600
1060
Melting Onset (Solidus), °C 560
970
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 89
84
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
20

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 970
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
18 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
38 to 2170
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 34
10 to 22
Strength to Weight: Bending, points 47
12 to 20
Thermal Diffusivity, mm2/s 55
25
Thermal Shock Resistance, points 12
12 to 26

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0
Copper (Cu), % 0 to 0.010
93.8 to 96.5
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0.7 to 1.2
0
Tin (Sn), % 0
3.5 to 4.9
Zinc (Zn), % 0 to 0.2
0 to 0.3
Residuals, % 0 to 0.010
0 to 0.5