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Zamak 2 vs. C18200 Copper

Zamak 2 belongs to the zinc alloys classification, while C18200 copper belongs to the copper alloys. There are 30 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 2 and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 6.0
11 to 40
Poisson's Ratio 0.26
0.34
Rockwell B Hardness 63
65 to 82
Shear Modulus, GPa 33
44
Shear Strength, MPa 320
210 to 320
Tensile Strength: Ultimate (UTS), MPa 360
310 to 530
Tensile Strength: Yield (Proof), MPa 270
97 to 450

Thermal Properties

Latent Heat of Fusion, J/g 130
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
1080
Melting Onset (Solidus), °C 380
1070
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
320
Thermal Expansion, µm/m-K 28
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
80
Electrical Conductivity: Equal Weight (Specific), % IACS 35
81

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 6.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 57
41
Embodied Water, L/kg 380
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
43 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 420
40 to 860
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 15
9.6 to 16
Strength to Weight: Bending, points 17
11 to 16
Thermal Diffusivity, mm2/s 41
93
Thermal Shock Resistance, points 11
11 to 18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 2.5 to 3.3
98.6 to 99.4
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.0050
0 to 0.050
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0