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ZA-27 vs. CR009A Copper

ZA-27 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 (8, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
120
Elongation at Break, % 2.0 to 4.5
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 31
43
Tensile Strength: Ultimate (UTS), MPa 400 to 430
230
Tensile Strength: Yield (Proof), MPa 260 to 370
140

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 5.0
9.0
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 80
41
Embodied Water, L/kg 570
310

Common Calculations

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

Alloy Composition

Aluminum (Al), % 25 to 28
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 0.0060
0 to 0.00010
Copper (Cu), % 2.0 to 2.5
99.99 to 100
Iron (Fe), % 0 to 0.1
0 to 0.0010
Lead (Pb), % 0 to 0.0060
0 to 0.00050
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 0.00050
Nickel (Ni), % 0 to 0.020
0 to 0.0010
Phosphorus (P), % 0
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.080
0
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 0.0030
0 to 0.00020
Zinc (Zn), % 69.3 to 73
0 to 0.00010