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C87700 Bronze vs. C99500 Copper

Both C87700 bronze and C99500 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% 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 C87700 bronze and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.6
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 300
540
Tensile Strength: Yield (Proof), MPa 120
310

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 980
1090
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
10
Electrical Conductivity: Equal Weight (Specific), % IACS 48
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
63
Resilience: Unit (Modulus of Resilience), kJ/m3 64
410
Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.8
17
Strength to Weight: Bending, points 12
17
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 87.5 to 90.5
82.5 to 92
Iron (Fe), % 0 to 0.5
3.0 to 5.0
Lead (Pb), % 0 to 0.090
0 to 0.25
Manganese (Mn), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 0 to 0.25
3.5 to 5.5
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0.5 to 2.0
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
0.5 to 2.0
Residuals, % 0
0 to 0.3