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CC491K Bronze vs. EN-MC65120 Magnesium

CC491K bronze belongs to the copper alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 CC491K bronze and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
55
Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 13
3.1
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
17
Tensile Strength: Ultimate (UTS), MPa 260
160
Tensile Strength: Yield (Proof), MPa 120
110

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 980
590
Melting Onset (Solidus), °C 900
520
Specific Heat Capacity, J/kg-K 370
970
Thermal Conductivity, W/m-K 71
100
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
120

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 3.1
25
Embodied Energy, MJ/kg 51
190
Embodied Water, L/kg 350
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 67
140
Stiffness to Weight: Axial, points 6.7
13
Stiffness to Weight: Bending, points 18
62
Strength to Weight: Axial, points 8.1
23
Strength to Weight: Bending, points 10
34
Thermal Diffusivity, mm2/s 22
56
Thermal Shock Resistance, points 9.3
9.8

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
0 to 0.030
Iron (Fe), % 0 to 0.3
0 to 0.010
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
91.8 to 95.1
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 2.0
0 to 0.0050
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 4.0 to 6.0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010