MakeItFrom.com
Menu (ESC)

Zamak 2 vs. C72500 Copper-nickel

Zamak 2 belongs to the zinc alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Poisson's Ratio 0.26
0.34
Rockwell B Hardness 63
75 to 100
Shear Modulus, GPa 33
45
Tensile Strength: Ultimate (UTS), MPa 360
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 130
210
Maximum Temperature: Mechanical, °C 95
210
Melting Completion (Liquidus), °C 390
1130
Melting Onset (Solidus), °C 380
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
54
Thermal Expansion, µm/m-K 28
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 35
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 6.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 57
55
Embodied Water, L/kg 380
320

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 15
13 to 24
Strength to Weight: Bending, points 17
14 to 21
Thermal Diffusivity, mm2/s 41
16
Thermal Shock Resistance, points 11
14 to 27

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
85.2 to 89.7
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0 to 0.0050
0 to 0.050
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.020
8.5 to 10.5
Silicon (Si), % 0 to 0.030
0
Tin (Sn), % 0 to 0.0030
1.8 to 2.8
Zinc (Zn), % 92.2 to 94
0 to 0.5
Residuals, % 0
0 to 0.2