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Zamak 7 vs. C83400 Brass

Zamak 7 belongs to the zinc alloys classification, while C83400 brass belongs to the copper alloys. There are 28 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 7 and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
30
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
42
Tensile Strength: Ultimate (UTS), MPa 280
240
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
1040
Melting Onset (Solidus), °C 380
1020
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 110
190
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
44
Electrical Conductivity: Equal Weight (Specific), % IACS 38
46

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 6.4
8.7
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
43
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
55
Resilience: Unit (Modulus of Resilience), kJ/m3 370
21
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
7.7
Strength to Weight: Bending, points 15
9.9
Thermal Diffusivity, mm2/s 43
57
Thermal Shock Resistance, points 8.6
8.4

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
88 to 92
Iron (Fe), % 0 to 0.075
0 to 0.25
Lead (Pb), % 0 to 0.0030
0 to 0.5
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0010
0 to 0.2
Zinc (Zn), % 95.3 to 96.5
8.0 to 12
Residuals, % 0
0 to 0.7