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C66100 Bronze vs. ZE41A Magnesium

C66100 bronze belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 C66100 bronze and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 8.0 to 40
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Shear Strength, MPa 280 to 460
150
Tensile Strength: Ultimate (UTS), MPa 410 to 790
210
Tensile Strength: Yield (Proof), MPa 120 to 430
140

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1000
540
Specific Heat Capacity, J/kg-K 400
970
Thermal Conductivity, W/m-K 34
110
Thermal Expansion, µm/m-K 17
27

Otherwise Unclassified Properties

Base Metal Price, % relative 29
18
Density, g/cm3 8.7
1.9
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 42
170
Embodied Water, L/kg 300
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 120
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
220
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 13 to 25
31
Strength to Weight: Bending, points 14 to 22
41
Thermal Diffusivity, mm2/s 9.7
59
Thermal Shock Resistance, points 15 to 29
12

Alloy Composition

Copper (Cu), % 92 to 97
0 to 0.1
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0.2 to 0.8
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 1.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 2.8 to 3.5
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 1.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3