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ZA-8 vs. CR024A Copper

ZA-8 belongs to the zinc alloys classification, while CR024A copper belongs to the copper 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 ZA-8 and the bottom bar is CR024A copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 110
210
Maximum Temperature: Mechanical, °C 100
200
Melting Completion (Liquidus), °C 400
1090
Melting Onset (Solidus), °C 380
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 120
370
Thermal Expansion, µm/m-K 23
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.3
9.0
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 420
320

Common Calculations

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

Alloy Composition

Aluminum (Al), % 8.0 to 8.8
0
Cadmium (Cd), % 0 to 0.0060
0
Copper (Cu), % 0.8 to 1.3
99.9 to 99.985
Iron (Fe), % 0 to 0.075
0
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.015 to 0.030
0
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0.015 to 0.040
Silicon (Si), % 0 to 0.045
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 89.7 to 91.2
0