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C95820 Bronze vs. C96800 Copper

Both C95820 bronze and C96800 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
3.4
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 730
1010
Tensile Strength: Yield (Proof), MPa 310
860

Thermal Properties

Latent Heat of Fusion, J/g 230
220
Maximum Temperature: Mechanical, °C 230
220
Melting Completion (Liquidus), °C 1080
1120
Melting Onset (Solidus), °C 1020
1060
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 38
52
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
34
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.4
Embodied Energy, MJ/kg 56
52
Embodied Water, L/kg 380
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
33
Resilience: Unit (Modulus of Resilience), kJ/m3 400
3000
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 11
15
Thermal Shock Resistance, points 25
35

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Copper (Cu), % 77.5 to 82.5
87.1 to 90.5
Iron (Fe), % 4.0 to 5.0
0 to 0.5
Lead (Pb), % 0 to 0.020
0 to 0.0050
Manganese (Mn), % 0 to 1.5
0.050 to 0.3
Nickel (Ni), % 4.5 to 5.8
9.5 to 10.5
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0
0 to 0.5