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CC765S Brass vs. C95700 Bronze

Both CC765S brass and C95700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% 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 C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 21
23
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
47
Tensile Strength: Ultimate (UTS), MPa 540
680
Tensile Strength: Yield (Proof), MPa 220
310

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
220
Melting Completion (Liquidus), °C 860
990
Melting Onset (Solidus), °C 820
950
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 91
12
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 51
54
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
390
Stiffness to Weight: Axial, points 7.6
8.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 28
3.3
Thermal Shock Resistance, points 17
21

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
7.0 to 8.5
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
71 to 78.5
Iron (Fe), % 0.5 to 2.0
2.0 to 4.0
Lead (Pb), % 0 to 0.5
0 to 0.030
Manganese (Mn), % 0.3 to 3.0
11 to 14
Nickel (Ni), % 0 to 6.0
1.5 to 3.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0
Residuals, % 0
0 to 0.5