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C72800 Copper-nickel vs. Zamak 5

C72800 copper-nickel belongs to the copper alloys classification, while Zamak 5 belongs to the zinc alloys. There are 29 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 C72800 copper-nickel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
87
Elongation at Break, % 3.9 to 23
6.3
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 44
33
Shear Strength, MPa 330 to 740
260
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
330
Tensile Strength: Yield (Proof), MPa 250 to 1210
240

Thermal Properties

Latent Heat of Fusion, J/g 210
120
Maximum Temperature: Mechanical, °C 200
95
Melting Completion (Liquidus), °C 1080
390
Melting Onset (Solidus), °C 920
380
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 55
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
37

Otherwise Unclassified Properties

Base Metal Price, % relative 38
12
Density, g/cm3 8.8
6.4
Embodied Carbon, kg CO2/kg material 4.4
3.0
Embodied Energy, MJ/kg 68
57
Embodied Water, L/kg 360
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
19
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
330
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 17 to 40
14
Strength to Weight: Bending, points 16 to 30
16
Thermal Diffusivity, mm2/s 17
42
Thermal Shock Resistance, points 19 to 45
9.9

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.5 to 4.3
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 78.3 to 82.8
0.7 to 1.3
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0 to 0.0050
0 to 0.0050
Magnesium (Mg), % 0.0050 to 0.15
0.025 to 0.080
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0 to 0.020
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0 to 0.030
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0 to 0.0030
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
94.3 to 95.7
Residuals, % 0 to 0.3
0