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C82700 Copper vs. C67500 Bronze

Both C82700 copper and C67500 bronze are copper alloys. They have 59% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 1.8
14 to 33
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 1200
430 to 580
Tensile Strength: Yield (Proof), MPa 1020
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 300
120
Melting Completion (Liquidus), °C 950
890
Melting Onset (Solidus), °C 860
870
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
24
Electrical Conductivity: Equal Weight (Specific), % IACS 21
27

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 180
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
130 to 650
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 38
15 to 20
Strength to Weight: Bending, points 29
16 to 19
Thermal Diffusivity, mm2/s 39
34
Thermal Shock Resistance, points 41
14 to 19

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0 to 0.25
Beryllium (Be), % 2.4 to 2.6
0
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
57 to 60
Iron (Fe), % 0 to 0.25
0.8 to 2.0
Lead (Pb), % 0 to 0.020
0 to 0.2
Manganese (Mn), % 0
0.050 to 0.5
Nickel (Ni), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0.5 to 1.5
Zinc (Zn), % 0 to 0.1
35.1 to 41.7
Residuals, % 0 to 0.5
0 to 0.5