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Zamak 7 vs. C87200 Bronze

Zamak 7 belongs to the zinc alloys classification, while C87200 bronze belongs to the copper alloys. There are 29 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 Zamak 7 and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
85
Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
30
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
43
Tensile Strength: Ultimate (UTS), MPa 280
380
Tensile Strength: Yield (Proof), MPa 250
170

Thermal Properties

Latent Heat of Fusion, J/g 120
260
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
970
Melting Onset (Solidus), °C 380
860
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 38
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 6.4
8.6
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 380
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
93
Resilience: Unit (Modulus of Resilience), kJ/m3 370
130
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
12
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 43
8.0
Thermal Shock Resistance, points 8.6
14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 1.5
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
89 to 99
Iron (Fe), % 0 to 0.075
0 to 2.5
Lead (Pb), % 0 to 0.0030
0 to 0.5
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
1.0 to 5.0
Tin (Sn), % 0 to 0.0010
0 to 1.0
Zinc (Zn), % 95.3 to 96.5
0 to 5.0