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EN-MC21310 Magnesium vs. C94800 Bronze

EN-MC21310 magnesium belongs to the magnesium alloys classification, while C94800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 9.0
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 200
310
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 360
200
Maximum Temperature: Mechanical, °C 100
190
Melting Completion (Liquidus), °C 600
1030
Melting Onset (Solidus), °C 560
900
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 89
39
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 23
3.5
Embodied Energy, MJ/kg 160
56
Embodied Water, L/kg 970
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
58
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 34
9.8
Strength to Weight: Bending, points 47
12
Thermal Diffusivity, mm2/s 55
12
Thermal Shock Resistance, points 12
11

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 0 to 0.010
84 to 89
Iron (Fe), % 0 to 0.0050
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.2
Nickel (Ni), % 0 to 0.0020
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.7 to 1.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0 to 0.2
1.0 to 2.5
Residuals, % 0 to 0.010
0 to 1.3