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C92700 Bronze vs. CC767S Brass

Both C92700 bronze and CC767S brass 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 C92700 bronze and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
100
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.1
15
Strength to Weight: Bending, points 11
16
Thermal Diffusivity, mm2/s 15
34
Thermal Shock Resistance, points 11
14

Alloy Composition

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