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C86100 Bronze vs. Zamak 2

C86100 bronze belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C86100 bronze and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 20
6.0
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 43
33
Tensile Strength: Ultimate (UTS), MPa 660
360
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 200
130
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 940
390
Melting Onset (Solidus), °C 900
380
Specific Heat Capacity, J/kg-K 420
410
Thermal Conductivity, W/m-K 35
110
Thermal Expansion, µm/m-K 20
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
35

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.0
6.5
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 49
57
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
20
Resilience: Unit (Modulus of Resilience), kJ/m3 530
420
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 23
15
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 10
41
Thermal Shock Resistance, points 21
11

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 66 to 68
2.5 to 3.3
Iron (Fe), % 2.0 to 4.0
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0 to 0.0030
Zinc (Zn), % 17.3 to 25
92.2 to 94