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Zamak 7 vs. C84500 Brass

Zamak 7 belongs to the zinc alloys classification, while C84500 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 C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
55
Elastic (Young's, Tensile) Modulus, GPa 86
100
Elongation at Break, % 13
28
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
39
Tensile Strength: Ultimate (UTS), MPa 280
240
Tensile Strength: Yield (Proof), MPa 250
97

Thermal Properties

Latent Heat of Fusion, J/g 120
180
Maximum Temperature: Mechanical, °C 95
150
Melting Completion (Liquidus), °C 390
980
Melting Onset (Solidus), °C 380
840
Specific Heat Capacity, J/kg-K 410
360
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
16
Electrical Conductivity: Equal Weight (Specific), % IACS 38
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 6.4
8.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 380
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
54
Resilience: Unit (Modulus of Resilience), kJ/m3 370
45
Stiffness to Weight: Axial, points 7.5
6.6
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
7.7
Strength to Weight: Bending, points 15
9.8
Thermal Diffusivity, mm2/s 43
23
Thermal Shock Resistance, points 8.6
8.6

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
77 to 79
Iron (Fe), % 0 to 0.075
0 to 0.4
Lead (Pb), % 0 to 0.0030
6.0 to 7.5
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0010
2.0 to 4.0
Zinc (Zn), % 95.3 to 96.5
10 to 14
Residuals, % 0
0 to 0.7