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CC760S Brass vs. Zamak 7

CC760S brass belongs to the copper alloys classification, while Zamak 7 belongs to the zinc 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 CC760S brass and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
80
Elastic (Young's, Tensile) Modulus, GPa 110
86
Elongation at Break, % 22
13
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 42
33
Tensile Strength: Ultimate (UTS), MPa 180
280
Tensile Strength: Yield (Proof), MPa 80
250

Thermal Properties

Latent Heat of Fusion, J/g 190
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 1000
390
Melting Onset (Solidus), °C 940
380
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 19
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
27
Electrical Conductivity: Equal Weight (Specific), % IACS 40
38

Otherwise Unclassified Properties

Base Metal Price, % relative 28
11
Density, g/cm3 8.6
6.4
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 43
57
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
36
Resilience: Unit (Modulus of Resilience), kJ/m3 29
370
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 5.8
12
Strength to Weight: Bending, points 8.2
15
Thermal Diffusivity, mm2/s 45
43
Thermal Shock Resistance, points 6.2
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.010
3.5 to 4.3
Arsenic (As), % 0.050 to 0.15
0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 83 to 88
0 to 0.25
Iron (Fe), % 0 to 0.15
0 to 0.075
Lead (Pb), % 0 to 0.5
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0.0050 to 0.020
Silicon (Si), % 0 to 0.020
0
Tin (Sn), % 0 to 0.3
0 to 0.0010
Zinc (Zn), % 10.7 to 17
95.3 to 96.5