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Zamak 7 vs. CC493K Bronze

Zamak 7 belongs to the zinc alloys classification, while CC493K 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 CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
74
Elastic (Young's, Tensile) Modulus, GPa 86
100
Elongation at Break, % 13
14
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
39
Tensile Strength: Ultimate (UTS), MPa 280
270
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 120
180
Maximum Temperature: Mechanical, °C 95
160
Melting Completion (Liquidus), °C 390
960
Melting Onset (Solidus), °C 380
880
Specific Heat Capacity, J/kg-K 410
360
Thermal Conductivity, W/m-K 110
61
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 38
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 6.4
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
33
Resilience: Unit (Modulus of Resilience), kJ/m3 370
89
Stiffness to Weight: Axial, points 7.5
6.5
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
8.6
Strength to Weight: Bending, points 15
11
Thermal Diffusivity, mm2/s 43
19
Thermal Shock Resistance, points 8.6
10

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
79 to 86
Iron (Fe), % 0 to 0.075
0 to 0.2
Lead (Pb), % 0 to 0.0030
5.0 to 8.0
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
5.2 to 8.0
Zinc (Zn), % 95.3 to 96.5
2.0 to 5.0