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CC765S Brass vs. C94300 Bronze

Both CC765S brass and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% 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 CC765S brass and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 21
9.7
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 42
32
Tensile Strength: Ultimate (UTS), MPa 540
180
Tensile Strength: Yield (Proof), MPa 220
120

Thermal Properties

Latent Heat of Fusion, J/g 180
150
Maximum Temperature: Mechanical, °C 140
110
Melting Completion (Liquidus), °C 860
820
Melting Onset (Solidus), °C 820
760
Specific Heat Capacity, J/kg-K 400
320
Thermal Conductivity, W/m-K 91
63
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.0
9.3
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 330
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
15
Resilience: Unit (Modulus of Resilience), kJ/m3 220
77
Stiffness to Weight: Axial, points 7.6
5.2
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 19
5.2
Strength to Weight: Bending, points 18
7.4
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 17
7.1

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0 to 0.0050
Antimony (Sb), % 0 to 0.080
0 to 0.8
Copper (Cu), % 51 to 65
67 to 72
Iron (Fe), % 0.5 to 2.0
0 to 0.15
Lead (Pb), % 0 to 0.5
23 to 27
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 1.0
4.5 to 6.0
Zinc (Zn), % 19.8 to 47.7
0 to 0.8
Residuals, % 0
0 to 1.0