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Zamak 2 vs. CC481K Bronze

Zamak 2 belongs to the zinc alloys classification, while CC481K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
90
Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.0
4.5
Poisson's Ratio 0.26
0.34
Shear Modulus, GPa 33
40
Tensile Strength: Ultimate (UTS), MPa 360
350
Tensile Strength: Yield (Proof), MPa 270
180

Thermal Properties

Latent Heat of Fusion, J/g 130
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
1000
Melting Onset (Solidus), °C 380
880
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 110
64
Thermal Expansion, µm/m-K 28
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 35
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 6.5
8.7
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 57
60
Embodied Water, L/kg 380
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
13
Resilience: Unit (Modulus of Resilience), kJ/m3 420
150
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 15
11
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 41
20
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
87 to 89.5
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.020
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.030
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.0030
10 to 11.5
Zinc (Zn), % 92.2 to 94
0 to 0.5