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Zamak 7 vs. CC495K Bronze

Zamak 7 belongs to the zinc alloys classification, while CC495K bronze 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 CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
76
Elastic (Young's, Tensile) Modulus, GPa 86
100
Elongation at Break, % 13
7.0
Poisson's Ratio 0.25
0.35
Shear Modulus, GPa 33
37
Tensile Strength: Ultimate (UTS), MPa 280
240
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 120
180
Maximum Temperature: Mechanical, °C 95
140
Melting Completion (Liquidus), °C 390
930
Melting Onset (Solidus), °C 380
820
Specific Heat Capacity, J/kg-K 410
350
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 38
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 6.4
9.0
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 57
58
Embodied Water, L/kg 380
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
14
Resilience: Unit (Modulus of Resilience), kJ/m3 370
68
Stiffness to Weight: Axial, points 7.5
6.2
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 12
7.3
Strength to Weight: Bending, points 15
9.4
Thermal Diffusivity, mm2/s 43
15
Thermal Shock Resistance, points 8.6
8.8

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
76 to 82
Iron (Fe), % 0 to 0.075
0 to 0.25
Lead (Pb), % 0 to 0.0030
8.0 to 11
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0.0050 to 0.020
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0010
9.0 to 11
Zinc (Zn), % 95.3 to 96.5
0 to 2.0