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CC766S Brass vs. Zamak 5

CC766S brass belongs to the copper alloys classification, while Zamak 5 belongs to the zinc alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. 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 CC766S brass and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
92
Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 28
6.3
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 500
330
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 180
120
Maximum Temperature: Mechanical, °C 130
95
Melting Completion (Liquidus), °C 840
390
Melting Onset (Solidus), °C 800
380
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 89
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
26
Electrical Conductivity: Equal Weight (Specific), % IACS 36
37

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.0
6.4
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 48
57
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
19
Resilience: Unit (Modulus of Resilience), kJ/m3 180
330
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 28
42
Thermal Shock Resistance, points 17
9.9

Alloy Composition

Aluminum (Al), % 0.3 to 1.8
3.5 to 4.3
Antimony (Sb), % 0 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 58 to 64
0.7 to 1.3
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 2.0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.030
Tin (Sn), % 0 to 0.5
0 to 0.0030
Zinc (Zn), % 29.5 to 41.7
94.3 to 95.7