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CR011A Copper vs. CC493K Bronze

Both CR011A copper and CC493K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% 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 CR011A copper and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
14
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 220
270
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
960
Melting Onset (Solidus), °C 1040
880
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 390
61
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
32
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 42
53
Embodied Water, L/kg 340
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
33
Resilience: Unit (Modulus of Resilience), kJ/m3 76
89
Stiffness to Weight: Axial, points 7.2
6.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
8.6
Strength to Weight: Bending, points 9.0
11
Thermal Diffusivity, mm2/s 110
19
Thermal Shock Resistance, points 7.8
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.88 to 99.97
79 to 86
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
Nickel (Ni), % 0
0 to 2.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Zinc (Zn), % 0
2.0 to 5.0