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C82700 Copper vs. ZA-27

C82700 copper belongs to the copper alloys classification, while ZA-27 belongs to the zinc alloys. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
78
Elongation at Break, % 1.8
2.0 to 4.5
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 46
31
Tensile Strength: Ultimate (UTS), MPa 1200
400 to 430
Tensile Strength: Yield (Proof), MPa 1020
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 240
130
Maximum Temperature: Mechanical, °C 300
120
Melting Completion (Liquidus), °C 950
480
Melting Onset (Solidus), °C 860
380
Specific Heat Capacity, J/kg-K 380
530
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
30
Electrical Conductivity: Equal Weight (Specific), % IACS 21
53

Otherwise Unclassified Properties

Density, g/cm3 8.7
5.0
Embodied Carbon, kg CO2/kg material 12
4.2
Embodied Energy, MJ/kg 180
80
Embodied Water, L/kg 310
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
420 to 890
Stiffness to Weight: Axial, points 7.8
8.6
Stiffness to Weight: Bending, points 19
28
Strength to Weight: Axial, points 38
22 to 24
Strength to Weight: Bending, points 29
24 to 25
Thermal Diffusivity, mm2/s 39
47
Thermal Shock Resistance, points 41
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.15
25 to 28
Beryllium (Be), % 2.4 to 2.6
0
Cadmium (Cd), % 0
0 to 0.0060
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
2.0 to 2.5
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.020
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 1.0 to 1.5
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 0.080
Tin (Sn), % 0 to 0.1
0 to 0.0030
Zinc (Zn), % 0 to 0.1
69.3 to 73
Residuals, % 0 to 0.5
0