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CC767S Brass vs. C87600 Bronze

Both CC767S brass and C87600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 CC767S brass and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 34
18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 430
470
Tensile Strength: Yield (Proof), MPa 150
230

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 840
970
Melting Onset (Solidus), °C 790
860
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 36
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
71
Resilience: Unit (Modulus of Resilience), kJ/m3 100
240
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 34
8.1
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Copper (Cu), % 58 to 64
88 to 92.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.1
0 to 0.5
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.2
3.5 to 5.5
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
4.0 to 7.0
Residuals, % 0
0 to 0.5