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C95820 Bronze vs. C87600 Bronze

Both C95820 bronze and C87600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 730
470
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Maximum Temperature: Mechanical, °C 230
190
Melting Completion (Liquidus), °C 1080
970
Melting Onset (Solidus), °C 1020
860
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 38
28
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
43
Embodied Water, L/kg 380
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
71
Resilience: Unit (Modulus of Resilience), kJ/m3 400
240
Stiffness to Weight: Axial, points 8.0
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
88 to 92.5
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0
Silicon (Si), % 0 to 0.1
3.5 to 5.5
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
4.0 to 7.0
Residuals, % 0
0 to 0.5