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C95820 Bronze vs. C99300 Copper

Both C95820 bronze and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% 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 C95820 bronze and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
2.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 730
660
Tensile Strength: Yield (Proof), MPa 310
380

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 230
250
Melting Completion (Liquidus), °C 1080
1080
Melting Onset (Solidus), °C 1020
1070
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 38
43
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 3.5
4.5
Embodied Energy, MJ/kg 56
70
Embodied Water, L/kg 380
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
11
Resilience: Unit (Modulus of Resilience), kJ/m3 400
590
Stiffness to Weight: Axial, points 8.0
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 25
22

Alloy Composition

Aluminum (Al), % 9.0 to 10
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 77.5 to 82.5
68.6 to 74.4
Iron (Fe), % 4.0 to 5.0
0.4 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.020
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
13.5 to 16.5
Silicon (Si), % 0 to 0.1
0 to 0.020
Tin (Sn), % 0 to 0.020
0 to 0.050
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.3