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C86800 Bronze vs. C87600 Bronze

Both C86800 bronze and C87600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common. There are 26 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 C86800 bronze and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
470
Tensile Strength: Yield (Proof), MPa 260
230

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 140
190
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 880
860
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
43
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
71
Resilience: Unit (Modulus of Resilience), kJ/m3 310
240
Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 2.0
0
Copper (Cu), % 53.5 to 57
88 to 92.5
Iron (Fe), % 1.0 to 2.5
0
Lead (Pb), % 0 to 0.2
0 to 0.5
Manganese (Mn), % 2.5 to 4.0
0
Nickel (Ni), % 2.5 to 4.0
0
Silicon (Si), % 0
3.5 to 5.5
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 28.3 to 40.5
4.0 to 7.0
Residuals, % 0
0 to 0.5