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CC381H Copper-nickel vs. Zamak 7

CC381H copper-nickel belongs to the copper alloys classification, while Zamak 7 belongs to the zinc 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 CC381H copper-nickel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
80
Elastic (Young's, Tensile) Modulus, GPa 140
86
Elongation at Break, % 20
13
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 52
33
Tensile Strength: Ultimate (UTS), MPa 380
280
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 240
120
Maximum Temperature: Mechanical, °C 260
95
Melting Completion (Liquidus), °C 1180
390
Melting Onset (Solidus), °C 1120
380
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
38

Otherwise Unclassified Properties

Base Metal Price, % relative 40
11
Density, g/cm3 8.9
6.4
Embodied Carbon, kg CO2/kg material 5.0
3.0
Embodied Energy, MJ/kg 73
57
Embodied Water, L/kg 280
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
36
Resilience: Unit (Modulus of Resilience), kJ/m3 68
370
Stiffness to Weight: Axial, points 8.6
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12
12
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 8.4
43
Thermal Shock Resistance, points 13
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.010
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
0 to 0.075
Lead (Pb), % 0 to 0.030
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0.0050 to 0.020
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0 to 0.5
95.3 to 96.5