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C95820 Bronze vs. C99500 Copper

Both C95820 bronze and C99500 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 90% 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 C95820 bronze and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 730
540
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1080
1090
Melting Onset (Solidus), °C 1020
1040
Specific Heat Capacity, J/kg-K 440
400
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
30
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 56
47
Embodied Water, L/kg 380
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
63
Resilience: Unit (Modulus of Resilience), kJ/m3 400
410
Stiffness to Weight: Axial, points 8.0
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 25
19

Alloy Composition

Aluminum (Al), % 9.0 to 10
0.5 to 2.0
Copper (Cu), % 77.5 to 82.5
82.5 to 92
Iron (Fe), % 4.0 to 5.0
3.0 to 5.0
Lead (Pb), % 0 to 0.020
0 to 0.25
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 4.5 to 5.8
3.5 to 5.5
Silicon (Si), % 0 to 0.1
0.5 to 2.0
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0.5 to 2.0
Residuals, % 0
0 to 0.3