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C62500 Bronze vs. Zamak 7

C62500 bronze belongs to the copper alloys classification, while Zamak 7 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C62500 bronze and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
86
Elongation at Break, % 1.0
13
Fatigue Strength, MPa 460
47
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 42
33
Shear Strength, MPa 410
210
Tensile Strength: Ultimate (UTS), MPa 690
280
Tensile Strength: Yield (Proof), MPa 410
250

Thermal Properties

Latent Heat of Fusion, J/g 230
120
Maximum Temperature: Mechanical, °C 230
95
Melting Completion (Liquidus), °C 1050
390
Melting Onset (Solidus), °C 1050
380
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
38

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.1
6.4
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 55
57
Embodied Water, L/kg 410
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
36
Resilience: Unit (Modulus of Resilience), kJ/m3 750
370
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 24
8.6

Alloy Composition

Aluminum (Al), % 12.5 to 13.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 78.5 to 84
0 to 0.25
Iron (Fe), % 3.5 to 5.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 0
0.0050 to 0.020
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5
Residuals, % 0 to 0.5
0