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Zamak 7 vs. CC491K Bronze

Zamak 7 belongs to the zinc alloys classification, while CC491K 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 CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
73
Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
13
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
40
Tensile Strength: Ultimate (UTS), MPa 280
260
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 120
190
Maximum Temperature: Mechanical, °C 95
160
Melting Completion (Liquidus), °C 390
980
Melting Onset (Solidus), °C 380
900
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 110
71
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
15
Electrical Conductivity: Equal Weight (Specific), % IACS 38
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.4
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 57
51
Embodied Water, L/kg 380
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
27
Resilience: Unit (Modulus of Resilience), kJ/m3 370
67
Stiffness to Weight: Axial, points 7.5
6.7
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
8.1
Strength to Weight: Bending, points 15
10
Thermal Diffusivity, mm2/s 43
22
Thermal Shock Resistance, points 8.6
9.3

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
81 to 87
Iron (Fe), % 0 to 0.075
0 to 0.3
Lead (Pb), % 0 to 0.0030
4.0 to 6.0
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0010
4.0 to 6.0
Zinc (Zn), % 95.3 to 96.5
4.0 to 6.0