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C82700 Copper vs. C87600 Bronze

Both C82700 copper and C87600 bronze are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 27 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 C82700 copper and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.8
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 1200
470
Tensile Strength: Yield (Proof), MPa 1020
230

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 950
970
Melting Onset (Solidus), °C 860
860
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 21
6.4

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 12
2.7
Embodied Energy, MJ/kg 180
43
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
71
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
240
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 38
16
Strength to Weight: Bending, points 29
16
Thermal Diffusivity, mm2/s 39
8.1
Thermal Shock Resistance, points 41
17

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
88 to 92.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.15
3.5 to 5.5
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
4.0 to 7.0
Residuals, % 0 to 0.5
0 to 0.5