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CC767S Brass vs. C92700 Bronze

Both CC767S brass and C92700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC767S brass and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 34
9.1
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 430
290
Tensile Strength: Yield (Proof), MPa 150
150

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 790
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 110
47
Thermal Expansion, µm/m-K 21
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 8.0
8.7
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
22
Resilience: Unit (Modulus of Resilience), kJ/m3 100
110
Stiffness to Weight: Axial, points 7.3
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
9.1
Strength to Weight: Bending, points 16
11
Thermal Diffusivity, mm2/s 34
15
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 58 to 64
86 to 89
Iron (Fe), % 0 to 0.5
0 to 0.2
Lead (Pb), % 0 to 0.1
1.0 to 2.5
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.1
9.0 to 11
Zinc (Zn), % 32.8 to 41.9
0 to 0.7
Residuals, % 0
0 to 0.7