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CC765S Brass vs. Zamak 5

CC765S brass belongs to the copper alloys classification, while Zamak 5 belongs to the zinc alloys. They have a modest 36% 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 CC765S brass and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
92
Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 21
6.3
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 42
33
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 220
240

Thermal Properties

Latent Heat of Fusion, J/g 180
120
Maximum Temperature: Mechanical, °C 140
95
Melting Completion (Liquidus), °C 860
390
Melting Onset (Solidus), °C 820
380
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 91
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
26
Electrical Conductivity: Equal Weight (Specific), % IACS 34
37

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.0
6.4
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 51
57
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
19
Resilience: Unit (Modulus of Resilience), kJ/m3 220
330
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 19
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), % 0.5 to 2.5
3.5 to 4.3
Antimony (Sb), % 0 to 0.080
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 51 to 65
0.7 to 1.3
Iron (Fe), % 0.5 to 2.0
0 to 0.1
Lead (Pb), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.030
Tin (Sn), % 0 to 1.0
0 to 0.0030
Zinc (Zn), % 19.8 to 47.7
94.3 to 95.7