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Zamak 3 vs. CC761S Brass

Zamak 3 belongs to the zinc alloys classification, while CC761S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
150
Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 11
8.7
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
42
Tensile Strength: Ultimate (UTS), MPa 280
540
Tensile Strength: Yield (Proof), MPa 210
340

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
41
Resilience: Unit (Modulus of Resilience), kJ/m3 260
530
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 43
8.0
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.25
78 to 83
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0 to 0.0050
0 to 0.8
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
3.0 to 5.0
Tin (Sn), % 0 to 0.0030
0 to 0.3
Zinc (Zn), % 95.3 to 96.5
8.9 to 19