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Zamak 2 vs. CR008A Copper

Zamak 2 belongs to the zinc alloys classification, while CR008A copper belongs to the copper alloys. There are 28 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 Zamak 2 and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 6.0
15
Poisson's Ratio 0.26
0.34
Shear Modulus, GPa 33
43
Tensile Strength: Ultimate (UTS), MPa 360
220
Tensile Strength: Yield (Proof), MPa 270
130

Thermal Properties

Latent Heat of Fusion, J/g 130
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
1090
Melting Onset (Solidus), °C 380
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
380
Thermal Expansion, µm/m-K 28
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
100
Electrical Conductivity: Equal Weight (Specific), % IACS 35
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 6.5
9.0
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 57
41
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
29
Resilience: Unit (Modulus of Resilience), kJ/m3 420
76
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 15
6.8
Strength to Weight: Bending, points 17
9.0
Thermal Diffusivity, mm2/s 41
110
Thermal Shock Resistance, points 11
7.8

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Bismuth (Bi), % 0
0 to 0.00050
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 2.5 to 3.3
99.95 to 100
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.0050
0 to 0.0050
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.030
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0