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C92700 Bronze vs. C87600 Bronze

Both C92700 bronze and C87600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C92700 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, % 9.1
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 290
470
Tensile Strength: Yield (Proof), MPa 150
230

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 980
970
Melting Onset (Solidus), °C 840
860
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 47
28
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 35
29
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
43
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
71
Resilience: Unit (Modulus of Resilience), kJ/m3 110
240
Stiffness to Weight: Axial, points 6.8
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.1
16
Strength to Weight: Bending, points 11
16
Thermal Diffusivity, mm2/s 15
8.1
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 86 to 89
88 to 92.5
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 1.0 to 2.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
3.5 to 5.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.7
4.0 to 7.0
Residuals, % 0
0 to 0.5