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Zamak 2 vs. C70260 Copper

Zamak 2 belongs to the zinc alloys classification, while C70260 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 6.0
9.5 to 19
Poisson's Ratio 0.26
0.34
Shear Modulus, GPa 33
44
Shear Strength, MPa 320
320 to 450
Tensile Strength: Ultimate (UTS), MPa 360
520 to 760
Tensile Strength: Yield (Proof), MPa 270
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 130
220
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
1060
Melting Onset (Solidus), °C 380
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 28
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 35
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 6.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
43
Embodied Water, L/kg 380
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 420
710 to 1810
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 15
16 to 24
Strength to Weight: Bending, points 17
16 to 21
Thermal Diffusivity, mm2/s 41
45
Thermal Shock Resistance, points 11
18 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
95.8 to 98.8
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.030
0.2 to 0.7
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0
Residuals, % 0
0 to 0.5