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EN-MC95320 Magnesium vs. C89320 Bronze

EN-MC95320 magnesium belongs to the magnesium alloys classification, while C89320 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-MC95320 magnesium and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 530
930
Specific Heat Capacity, J/kg-K 960
360
Thermal Conductivity, W/m-K 52
56
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 53
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
37
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 28
3.5
Embodied Energy, MJ/kg 250
56
Embodied Water, L/kg 910
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1
38
Resilience: Unit (Modulus of Resilience), kJ/m3 420
93
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 61
18
Strength to Weight: Axial, points 36
8.5
Strength to Weight: Bending, points 45
10
Thermal Diffusivity, mm2/s 28
17
Thermal Shock Resistance, points 16
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.030
87 to 91
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.090
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.7 to 93.5
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5