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C31400 Bronze vs. C82000 Copper

Both C31400 bronze and C82000 copper are copper alloys. They have 89% of their average alloy composition in common. There are 28 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 C31400 bronze and the bottom bar is C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
8.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 270 to 420
350 to 690
Tensile Strength: Yield (Proof), MPa 78 to 310
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 1040
1090
Melting Onset (Solidus), °C 1010
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 180
260
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
45
Electrical Conductivity: Equal Weight (Specific), % IACS 43
46

Otherwise Unclassified Properties

Base Metal Price, % relative 29
60
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 42
77
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
80 to 1120
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
11 to 22
Strength to Weight: Bending, points 11 to 14
12 to 20
Thermal Diffusivity, mm2/s 54
76
Thermal Shock Resistance, points 9.6 to 15
12 to 24

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 87.5 to 90.5
95.2 to 97.4
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.3 to 2.5
0 to 0.020
Nickel (Ni), % 0 to 0.7
0 to 0.2
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 5.8 to 11.2
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.5