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Zamak 7 vs. CR009A Copper

Zamak 7 belongs to the zinc alloys classification, while CR009A copper belongs to the copper alloys. There are 28 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 7 and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
120
Elongation at Break, % 13
15
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
43
Tensile Strength: Ultimate (UTS), MPa 280
230
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 120
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 27
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.4
9.0
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
31
Resilience: Unit (Modulus of Resilience), kJ/m3 370
83
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 12
7.1
Strength to Weight: Bending, points 15
9.3
Thermal Diffusivity, mm2/s 43
110
Thermal Shock Resistance, points 8.6
8.1

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0 to 0.0020
0 to 0.00010
Copper (Cu), % 0 to 0.25
99.99 to 100
Iron (Fe), % 0 to 0.075
0 to 0.0010
Lead (Pb), % 0 to 0.0030
0 to 0.00050
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 0.00050
Nickel (Ni), % 0.0050 to 0.020
0 to 0.0010
Phosphorus (P), % 0
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0 to 0.0010
0 to 0.00020
Zinc (Zn), % 95.3 to 96.5
0 to 0.00010