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C92700 Bronze vs. C99300 Copper

Both C92700 bronze and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 28 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 C92700 bronze and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 9.1
2.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 290
660
Tensile Strength: Yield (Proof), MPa 150
380

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 980
1080
Melting Onset (Solidus), °C 840
1070
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 47
43
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 35
35
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 3.6
4.5
Embodied Energy, MJ/kg 58
70
Embodied Water, L/kg 390
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
11
Resilience: Unit (Modulus of Resilience), kJ/m3 110
590
Stiffness to Weight: Axial, points 6.8
8.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.1
22
Strength to Weight: Bending, points 11
20
Thermal Diffusivity, mm2/s 15
12
Thermal Shock Resistance, points 11
22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
10.7 to 11.5
Antimony (Sb), % 0 to 0.25
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 86 to 89
68.6 to 74.4
Iron (Fe), % 0 to 0.2
0.4 to 1.0
Lead (Pb), % 1.0 to 2.5
0 to 0.020
Nickel (Ni), % 0 to 1.0
13.5 to 16.5
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.020
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0 to 0.050
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0
0 to 0.3