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CR009A Copper vs. CC491K Bronze

Both CR009A copper and CC491K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR009A copper and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 230
260
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
980
Melting Onset (Solidus), °C 1040
900
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 380
71
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
15
Electrical Conductivity: Equal Weight (Specific), % IACS 100
15

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
27
Resilience: Unit (Modulus of Resilience), kJ/m3 83
67
Stiffness to Weight: Axial, points 7.2
6.7
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
8.1
Strength to Weight: Bending, points 9.3
10
Thermal Diffusivity, mm2/s 110
22
Thermal Shock Resistance, points 8.1
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0 to 0.00040
0 to 0.25
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 100
81 to 87
Iron (Fe), % 0 to 0.0010
0 to 0.3
Lead (Pb), % 0 to 0.00050
4.0 to 6.0
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0 to 2.0
Phosphorus (P), % 0 to 0.0030
0 to 0.1
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.1
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
4.0 to 6.0
Zinc (Zn), % 0 to 0.00010
4.0 to 6.0