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CC765S Brass vs. C94100 Bronze

Both CC765S brass and C94100 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 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Elongation at Break, % 21
7.8
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 42
34
Tensile Strength: Ultimate (UTS), MPa 540
190
Tensile Strength: Yield (Proof), MPa 220
130

Thermal Properties

Latent Heat of Fusion, J/g 180
160
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 860
870
Melting Onset (Solidus), °C 820
790
Specific Heat Capacity, J/kg-K 400
330
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
9.2
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 51
48
Embodied Water, L/kg 330
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
14
Resilience: Unit (Modulus of Resilience), kJ/m3 220
97
Stiffness to Weight: Axial, points 7.6
5.5
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 19
5.8
Strength to Weight: Bending, points 18
8.1
Thermal Shock Resistance, points 17
7.6

Alloy Composition

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
72 to 79
Iron (Fe), % 0.5 to 2.0
0 to 0.25
Lead (Pb), % 0 to 0.5
18 to 22
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 6.5
Zinc (Zn), % 19.8 to 47.7
0 to 1.0
Residuals, % 0
0 to 1.3