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C86700 Bronze vs. C96800 Copper

Both C86700 bronze and C96800 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is C86700 bronze and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
3.4
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 630
1010
Tensile Strength: Yield (Proof), MPa 250
860

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 880
1120
Melting Onset (Solidus), °C 860
1060
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 89
52
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
10
Electrical Conductivity: Equal Weight (Specific), % IACS 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 49
52
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
33
Resilience: Unit (Modulus of Resilience), kJ/m3 290
3000
Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 28
15
Thermal Shock Resistance, points 21
35

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Copper (Cu), % 55 to 60
87.1 to 90.5
Iron (Fe), % 1.0 to 3.0
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0 to 0.0050
Manganese (Mn), % 1.0 to 3.5
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
Phosphorus (P), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
0 to 1.0
Residuals, % 0
0 to 0.5