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C31400 Bronze vs. C81400 Copper

Both C31400 bronze and C81400 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 C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 270 to 420
370
Tensile Strength: Yield (Proof), MPa 78 to 310
250

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1040
1090
Melting Onset (Solidus), °C 1010
1070
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
60
Electrical Conductivity: Equal Weight (Specific), % IACS 43
61

Otherwise Unclassified Properties

Base Metal Price, % relative 29
33
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
36
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
260
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
11
Strength to Weight: Bending, points 11 to 14
13
Thermal Diffusivity, mm2/s 54
75
Thermal Shock Resistance, points 9.6 to 15
13

Alloy Composition


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Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 87.5 to 90.5
98.4 to 99.38
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.3 to 2.5
0
Nickel (Ni), % 0 to 0.7
0
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0 to 0.5