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CR022A Copper vs. ZA-8

CR022A copper belongs to the copper alloys classification, while ZA-8 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 CR022A copper and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
85 to 86
Elongation at Break, % 15
1.3 to 8.0
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 43
34
Tensile Strength: Ultimate (UTS), MPa 230
210 to 370
Tensile Strength: Yield (Proof), MPa 140
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 210
110
Maximum Temperature: Mechanical, °C 200
100
Melting Completion (Liquidus), °C 1090
400
Melting Onset (Solidus), °C 1040
380
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 380
120
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
40

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 9.0
6.3
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
62
Embodied Water, L/kg 310
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 83
260 to 490
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.1
9.3 to 17
Strength to Weight: Bending, points 9.3
12 to 18
Thermal Diffusivity, mm2/s 110
42
Thermal Shock Resistance, points 8.1
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0 to 0.0060
Copper (Cu), % 99.99 to 99.999
0.8 to 1.3
Iron (Fe), % 0 to 0.0010
0 to 0.075
Lead (Pb), % 0 to 0.00050
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0 to 0.020
Phosphorus (P), % 0.0010 to 0.0060
0
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.045
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0 to 0.0030
Zinc (Zn), % 0 to 0.00010
89.7 to 91.2