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CR004A Copper vs. Zamak 3

CR004A copper belongs to the copper alloys classification, while Zamak 3 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR004A copper and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
86
Elongation at Break, % 15
11
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 43
33
Tensile Strength: Ultimate (UTS), MPa 220
280
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 210
120
Maximum Temperature: Mechanical, °C 200
95
Melting Completion (Liquidus), °C 1090
390
Melting Onset (Solidus), °C 1040
380
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 380
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
38

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 9.0
6.4
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
28
Resilience: Unit (Modulus of Resilience), kJ/m3 76
260
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8
12
Strength to Weight: Bending, points 9.0
15
Thermal Diffusivity, mm2/s 110
43
Thermal Shock Resistance, points 7.8
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Bismuth (Bi), % 0 to 0.00050
0
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 99.9 to 100
0 to 0.25
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0050
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.030
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
95.3 to 96.5