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EN-MC65210 Magnesium vs. C87300 Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C87300 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 C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.8
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 270
350
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
970
Melting Onset (Solidus), °C 540
820
Specific Heat Capacity, J/kg-K 970
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.4

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.6
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 220
42

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
62
Resilience: Unit (Modulus of Resilience), kJ/m3 450
86
Stiffness to Weight: Axial, points 12
7.5
Stiffness to Weight: Bending, points 59
19
Strength to Weight: Axial, points 38
11
Strength to Weight: Bending, points 47
13
Thermal Diffusivity, mm2/s 58
8.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Copper (Cu), % 0 to 0.030
94 to 95.7
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0.8 to 1.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
3.5 to 5.0
Silver (Ag), % 2.0 to 3.0
0
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 0.5