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CR022A Copper vs. CR009A Copper

Both CR022A copper and CR009A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is CR022A copper and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
230
Tensile Strength: Yield (Proof), MPa 140
140

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 83
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
7.1
Strength to Weight: Bending, points 9.3
9.3
Thermal Diffusivity, mm2/s 110
110
Thermal Shock Resistance, points 8.1
8.1

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0 to 0.00040
Arsenic (As), % 0 to 0.00050
0 to 0.00050
Bismuth (Bi), % 0 to 0.00020
0 to 0.00020
Cadmium (Cd), % 0 to 0.00010
0 to 0.00010
Copper (Cu), % 99.99 to 99.999
99.99 to 100
Iron (Fe), % 0 to 0.0010
0 to 0.0010
Lead (Pb), % 0 to 0.00050
0 to 0.00050
Manganese (Mn), % 0 to 0.00050
0 to 0.00050
Nickel (Ni), % 0 to 0.0010
0 to 0.0010
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.0030
Selenium (Se), % 0 to 0.00020
0 to 0.00020
Silver (Ag), % 0 to 0.0025
0 to 0.0025
Sulfur (S), % 0 to 0.0015
0 to 0.0015
Tellurium (Te), % 0 to 0.00020
0 to 0.00020
Tin (Sn), % 0 to 0.00020
0 to 0.00020
Zinc (Zn), % 0 to 0.00010
0 to 0.00010