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Zamak 5 vs. CC490K Brass

Zamak 5 belongs to the zinc alloys classification, while CC490K brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
76
Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.3
15
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
40
Tensile Strength: Ultimate (UTS), MPa 330
230
Tensile Strength: Yield (Proof), MPa 240
110

Thermal Properties

Latent Heat of Fusion, J/g 120
190
Maximum Temperature: Mechanical, °C 95
160
Melting Completion (Liquidus), °C 390
980
Melting Onset (Solidus), °C 380
910
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
16
Electrical Conductivity: Equal Weight (Specific), % IACS 37
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 6.4
8.8
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 19
28
Resilience: Unit (Modulus of Resilience), kJ/m3 330
54
Stiffness to Weight: Axial, points 7.5
6.8
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 14
7.3
Strength to Weight: Bending, points 16
9.5
Thermal Diffusivity, mm2/s 42
22
Thermal Shock Resistance, points 9.9
8.2

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.7 to 1.3
81 to 86
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.0050
3.0 to 6.0
Magnesium (Mg), % 0.025 to 0.080
0
Nickel (Ni), % 0 to 0.020
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.030
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0030
2.0 to 3.5
Zinc (Zn), % 94.3 to 95.7
7.0 to 9.5