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CC765S Brass vs. C90800 Bronze

Both CC765S brass and C90800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is CC765S brass and the bottom bar is C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
90
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
13
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 220
170

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 860
990
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 91
68
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
11
Electrical Conductivity: Equal Weight (Specific), % IACS 34
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 51
62
Embodied Water, L/kg 330
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
35
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 7.6
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
11
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0 to 0.0050
Antimony (Sb), % 0 to 0.080
0 to 0.2
Copper (Cu), % 51 to 65
85.3 to 89
Iron (Fe), % 0.5 to 2.0
0 to 0.15
Lead (Pb), % 0 to 0.5
0 to 0.25
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
11 to 13
Zinc (Zn), % 19.8 to 47.7
0 to 0.25