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Zamak 7 vs. C12600 Copper

Zamak 7 belongs to the zinc alloys classification, while C12600 copper belongs to the copper alloys. There are 29 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 7 and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
120
Elongation at Break, % 13
56
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
56
Shear Strength, MPa 210
190
Tensile Strength: Ultimate (UTS), MPa 280
270
Tensile Strength: Yield (Proof), MPa 250
69

Thermal Properties

Latent Heat of Fusion, J/g 120
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
1080
Melting Onset (Solidus), °C 380
1030
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
29
Electrical Conductivity: Equal Weight (Specific), % IACS 38
29

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 6.4
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 36
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
21
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
8.2
Strength to Weight: Bending, points 15
10
Thermal Diffusivity, mm2/s 43
39
Thermal Shock Resistance, points 8.6
9.5

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
99.5 to 99.8
Iron (Fe), % 0 to 0.075
0
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0.2 to 0.4
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0