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CR009A Copper vs. CR015A Copper

Both CR009A copper and CR015A 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 CR009A copper and the bottom bar is CR015A 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
220
Tensile Strength: Yield (Proof), MPa 140
130

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
390
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
98
Electrical Conductivity: Equal Weight (Specific), % IACS 100
99

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
29
Resilience: Unit (Modulus of Resilience), kJ/m3 83
76
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
6.8
Strength to Weight: Bending, points 9.3
9.0
Thermal Diffusivity, mm2/s 110
110
Thermal Shock Resistance, points 8.1
7.8

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0 to 0.00050
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 100
99.883 to 99.939
Iron (Fe), % 0 to 0.0010
0
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0
Phosphorus (P), % 0 to 0.0030
0.0010 to 0.0070
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0.060 to 0.080
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0