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EN-MC65210 Magnesium vs. C87700 Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C87700 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.8
3.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Tensile Strength: Ultimate (UTS), MPa 270
300
Tensile Strength: Yield (Proof), MPa 200
120

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 610
980
Melting Onset (Solidus), °C 540
900
Specific Heat Capacity, J/kg-K 970
400
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 110
48

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.5
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 450
64
Stiffness to Weight: Axial, points 12
7.4
Stiffness to Weight: Bending, points 59
19
Strength to Weight: Axial, points 38
9.8
Strength to Weight: Bending, points 47
12
Thermal Diffusivity, mm2/s 58
34
Thermal Shock Resistance, points 17
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
87.5 to 90.5
Iron (Fe), % 0 to 0.010
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 0.8
Nickel (Ni), % 0 to 0.0050
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0 to 0.010
2.5 to 3.5
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0
0 to 2.0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
7.0 to 9.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.8