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Zamak 7 vs. C84000 Brass

Zamak 7 belongs to the zinc alloys classification, while C84000 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 C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
65
Elastic (Young's, Tensile) Modulus, GPa 86
110
Elongation at Break, % 13
27
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
42
Tensile Strength: Ultimate (UTS), MPa 280
250
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 120
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 390
1040
Melting Onset (Solidus), °C 380
940
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 27
18

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
30
Density, g/cm3 6.4
8.6
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 57
49
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
58
Resilience: Unit (Modulus of Resilience), kJ/m3 370
83
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
8.2
Strength to Weight: Bending, points 15
10
Thermal Diffusivity, mm2/s 43
22
Thermal Shock Resistance, points 8.6
9.0

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
82 to 89
Iron (Fe), % 0 to 0.075
0 to 0.4
Lead (Pb), % 0 to 0.0030
0 to 0.090
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0.0050 to 0.020
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0 to 0.0010
2.0 to 4.0
Zinc (Zn), % 95.3 to 96.5
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7