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C52400 Bronze vs. Zamak 7

C52400 bronze belongs to the copper alloys classification, while Zamak 7 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C52400 bronze and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
86
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 41
33
Tensile Strength: Ultimate (UTS), MPa 450 to 880
280

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 1000
390
Melting Onset (Solidus), °C 840
380
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 50
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
38

Otherwise Unclassified Properties

Base Metal Price, % relative 35
11
Density, g/cm3 8.8
6.4
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 58
57
Embodied Water, L/kg 390
380

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 14 to 28
12
Strength to Weight: Bending, points 15 to 23
15
Thermal Diffusivity, mm2/s 15
43
Thermal Shock Resistance, points 17 to 32
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 87.8 to 91
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.075
Lead (Pb), % 0 to 0.050
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0
0.0050 to 0.020
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0 to 0.0010
Zinc (Zn), % 0 to 0.2
95.3 to 96.5
Residuals, % 0 to 0.5
0