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CC755S Brass vs. C95700 Bronze

Both CC755S brass and C95700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% 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 CC755S brass and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Elongation at Break, % 9.5
23
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
47
Tensile Strength: Ultimate (UTS), MPa 390
680
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 820
990
Melting Onset (Solidus), °C 780
950
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290
390
Stiffness to Weight: Axial, points 7.1
8.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14
23
Strength to Weight: Bending, points 15
21
Thermal Diffusivity, mm2/s 38
3.3
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
7.0 to 8.5
Copper (Cu), % 59.5 to 61
71 to 78.5
Iron (Fe), % 0.050 to 0.2
2.0 to 4.0
Lead (Pb), % 1.2 to 1.7
0 to 0.030
Manganese (Mn), % 0 to 0.050
11 to 14
Nickel (Ni), % 0 to 0.2
1.5 to 3.0
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0
Residuals, % 0
0 to 0.5