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CC765S Brass vs. C86800 Bronze

Both CC765S brass and C86800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 540
570
Tensile Strength: Yield (Proof), MPa 220
260

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 140
140
Melting Completion (Liquidus), °C 860
900
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
310
Stiffness to Weight: Axial, points 7.6
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 17
18

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0 to 2.0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
53.5 to 57
Iron (Fe), % 0.5 to 2.0
1.0 to 2.5
Lead (Pb), % 0 to 0.5
0 to 0.2
Manganese (Mn), % 0.3 to 3.0
2.5 to 4.0
Nickel (Ni), % 0 to 6.0
2.5 to 4.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
0 to 1.0
Zinc (Zn), % 19.8 to 47.7
28.3 to 40.5
Residuals, % 0
0 to 1.0