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CC761S Brass vs. Zamak 7

CC761S 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 CC761S brass and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
80
Elastic (Young's, Tensile) Modulus, GPa 110
86
Elongation at Break, % 8.7
13
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 42
33
Tensile Strength: Ultimate (UTS), MPa 540
280
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 260
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 960
390
Melting Onset (Solidus), °C 910
380
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 43
38

Otherwise Unclassified Properties

Base Metal Price, % relative 27
11
Density, g/cm3 8.3
6.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 300
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
36
Resilience: Unit (Modulus of Resilience), kJ/m3 530
370
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 8.0
43
Thermal Shock Resistance, points 19
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.5 to 4.3
Antimony (Sb), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 78 to 83
0 to 0.25
Iron (Fe), % 0 to 0.6
0 to 0.075
Lead (Pb), % 0 to 0.8
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
0.0050 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0 to 0.3
0 to 0.0010
Zinc (Zn), % 8.9 to 19
95.3 to 96.5