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CC767S Brass vs. C95520 Bronze

Both CC767S brass and C95520 bronze are copper alloys. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is CC767S brass and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
280
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 34
2.6
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 430
970
Tensile Strength: Yield (Proof), MPa 150
530

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 120
240
Melting Completion (Liquidus), °C 840
1070
Melting Onset (Solidus), °C 790
1020
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
11
Electrical Conductivity: Equal Weight (Specific), % IACS 36
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 47
58
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
21
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1210
Stiffness to Weight: Axial, points 7.3
8.0
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
33
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 34
11
Thermal Shock Resistance, points 14
33

Alloy Composition


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Aluminum (Al), % 0.1 to 0.8
10.5 to 11.5
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 58 to 64
74.5 to 81.3
Iron (Fe), % 0 to 0.5
4.0 to 5.5
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 1.0
4.2 to 6.0
Silicon (Si), % 0 to 0.2
0 to 0.15
Tin (Sn), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 32.8 to 41.9
0 to 0.3
Residuals, % 0
0 to 0.5