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Zamak 7 vs. C83300 Brass

Zamak 7 belongs to the zinc alloys classification, while C83300 brass belongs to the copper 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 Zamak 7 and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
35
Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
35
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
42
Tensile Strength: Ultimate (UTS), MPa 280
220
Tensile Strength: Yield (Proof), MPa 250
69

Thermal Properties

Latent Heat of Fusion, J/g 120
200
Maximum Temperature: Mechanical, °C 95
180
Melting Completion (Liquidus), °C 390
1060
Melting Onset (Solidus), °C 380
1030
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
32
Electrical Conductivity: Equal Weight (Specific), % IACS 38
33

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 6.4
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
60
Resilience: Unit (Modulus of Resilience), kJ/m3 370
21
Stiffness to Weight: Axial, points 7.5
7.0
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
6.9
Strength to Weight: Bending, points 15
9.2
Thermal Diffusivity, mm2/s 43
48
Thermal Shock Resistance, points 8.6
7.9

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
92 to 94
Iron (Fe), % 0 to 0.075
0
Lead (Pb), % 0 to 0.0030
1.0 to 2.0
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0
Tin (Sn), % 0 to 0.0010
1.0 to 2.0
Zinc (Zn), % 95.3 to 96.5
2.0 to 6.0
Residuals, % 0
0 to 0.7