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C81400 Copper vs. C22000 Bronze

Both C81400 copper and C22000 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
1.9 to 45
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 69
42 to 81
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 370
260 to 520
Tensile Strength: Yield (Proof), MPa 250
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
1040
Melting Onset (Solidus), °C 1070
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 260
190
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
44
Electrical Conductivity: Equal Weight (Specific), % IACS 61
45

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
42
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 260
21 to 1110
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 11
8.1 to 17
Strength to Weight: Bending, points 13
10 to 17
Thermal Diffusivity, mm2/s 75
56
Thermal Shock Resistance, points 13
8.8 to 18

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
89 to 91
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Zinc (Zn), % 0
8.7 to 11
Residuals, % 0
0 to 0.2