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CR024A Copper vs. ZA-27

CR024A copper belongs to the copper alloys classification, while ZA-27 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR024A 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, % 15
2.0 to 4.5
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
31
Tensile Strength: Ultimate (UTS), MPa 230
400 to 430
Tensile Strength: Yield (Proof), MPa 140
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
480
Melting Onset (Solidus), °C 1040
380
Specific Heat Capacity, J/kg-K 390
530
Thermal Conductivity, W/m-K 370
130
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
53

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 9.0
5.0
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 41
80
Embodied Water, L/kg 320
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 83
420 to 890
Stiffness to Weight: Axial, points 7.2
8.6
Stiffness to Weight: Bending, points 18
28
Strength to Weight: Axial, points 7.1
22 to 24
Strength to Weight: Bending, points 9.3
24 to 25
Thermal Diffusivity, mm2/s 110
47
Thermal Shock Resistance, points 8.1
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 99.9 to 99.985
2.0 to 2.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0.015 to 0.040
0
Silicon (Si), % 0
0 to 0.080
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73