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CR022A Copper vs. CC499K Bronze

Both CR022A copper and CC499K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% 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 CR022A copper and the bottom bar is CC499K 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
41
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
170
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1040
920
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 380
73
Thermal Expansion, µm/m-K 17
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 9.0
8.8
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
65
Stiffness to Weight: Axial, points 7.2
6.9
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
9.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0 to 0.00040
0 to 0.1
Arsenic (As), % 0 to 0.00050
0 to 0.030
Bismuth (Bi), % 0 to 0.00020
0 to 0.020
Cadmium (Cd), % 0 to 0.00010
0 to 0.020
Chromium (Cr), % 0
0 to 0.020
Copper (Cu), % 99.99 to 99.999
84 to 88
Iron (Fe), % 0 to 0.0010
0 to 0.3
Lead (Pb), % 0 to 0.00050
0 to 3.0
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0 to 0.6
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.040
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 0.040
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