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EN-MC65210 Magnesium vs. C90900 Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C90900 bronze belongs to the copper alloys. There are 27 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-MC65210 magnesium and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
90
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.8
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270
280
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
980
Melting Onset (Solidus), °C 540
820
Specific Heat Capacity, J/kg-K 970
360
Thermal Conductivity, W/m-K 110
65
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.7
Embodied Carbon, kg CO2/kg material 27
3.9
Embodied Energy, MJ/kg 220
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
35
Resilience: Unit (Modulus of Resilience), kJ/m3 450
89
Stiffness to Weight: Axial, points 12
6.8
Stiffness to Weight: Bending, points 59
18
Strength to Weight: Axial, points 38
8.8
Strength to Weight: Bending, points 47
11
Thermal Diffusivity, mm2/s 58
21
Thermal Shock Resistance, points 17
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
86 to 89
Iron (Fe), % 0 to 0.010
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.6