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CC765S Brass vs. C89320 Bronze

Both CC765S brass and C89320 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% 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 CC765S brass and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 540
270
Tensile Strength: Yield (Proof), MPa 220
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 860
1050
Melting Onset (Solidus), °C 820
930
Specific Heat Capacity, J/kg-K 400
360
Thermal Conductivity, W/m-K 91
56
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
15
Electrical Conductivity: Equal Weight (Specific), % IACS 34
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 51
56
Embodied Water, L/kg 330
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
38
Resilience: Unit (Modulus of Resilience), kJ/m3 220
93
Stiffness to Weight: Axial, points 7.6
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
8.5
Strength to Weight: Bending, points 18
10
Thermal Diffusivity, mm2/s 28
17
Thermal Shock Resistance, points 17
10

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0 to 0.0050
Antimony (Sb), % 0 to 0.080
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 51 to 65
87 to 91
Iron (Fe), % 0.5 to 2.0
0 to 0.2
Lead (Pb), % 0 to 0.5
0 to 0.090
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 1.0
5.0 to 7.0
Zinc (Zn), % 19.8 to 47.7
0 to 1.0
Residuals, % 0
0 to 0.5