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C92700 Bronze vs. CC761S Brass

Both C92700 bronze and CC761S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% 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 CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.1
8.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 290
540
Tensile Strength: Yield (Proof), MPa 150
340

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 980
960
Melting Onset (Solidus), °C 840
910
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 47
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40
Electrical Conductivity: Equal Weight (Specific), % IACS 11
43

Otherwise Unclassified Properties

Base Metal Price, % relative 35
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
45
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
41
Resilience: Unit (Modulus of Resilience), kJ/m3 110
530
Stiffness to Weight: Axial, points 6.8
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.1
18
Strength to Weight: Bending, points 11
18
Thermal Diffusivity, mm2/s 15
8.0
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.25
0 to 0.050
Copper (Cu), % 86 to 89
78 to 83
Iron (Fe), % 0 to 0.2
0 to 0.6
Lead (Pb), % 1.0 to 2.5
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.030
Silicon (Si), % 0 to 0.0050
3.0 to 5.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0 to 0.3
Zinc (Zn), % 0 to 0.7
8.9 to 19
Residuals, % 0 to 0.7
0