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C31400 Bronze vs. Zamak 5

C31400 bronze belongs to the copper alloys classification, while Zamak 5 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 6.8 to 29
6.3
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 42
33
Shear Strength, MPa 180 to 240
260
Tensile Strength: Ultimate (UTS), MPa 270 to 420
330
Tensile Strength: Yield (Proof), MPa 78 to 310
240

Thermal Properties

Latent Heat of Fusion, J/g 200
120
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 1040
390
Melting Onset (Solidus), °C 1010
380
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
26
Electrical Conductivity: Equal Weight (Specific), % IACS 43
37

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.8
6.4
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 42
57
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
19
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
330
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.7 to 13
14
Strength to Weight: Bending, points 11 to 14
16
Thermal Diffusivity, mm2/s 54
42
Thermal Shock Resistance, points 9.6 to 15
9.9

Alloy Composition


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Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 87.5 to 90.5
0.7 to 1.3
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.3 to 2.5
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Nickel (Ni), % 0 to 0.7
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 5.8 to 11.2
94.3 to 95.7
Residuals, % 0 to 0.4
0