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CC332G Bronze vs. CC767S Brass

Both CC332G bronze and CC767S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is CC332G bronze and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
86
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 22
34
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 620
430
Tensile Strength: Yield (Proof), MPa 250
150

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1060
840
Melting Onset (Solidus), °C 1010
790
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 45
110
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
36

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 55
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
100
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 12
34
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0.1 to 0.8
Copper (Cu), % 80 to 86
58 to 64
Iron (Fe), % 1.0 to 3.0
0 to 0.5
Lead (Pb), % 0 to 0.1
0 to 0.1
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 1.5 to 4.0
0 to 1.0
Silicon (Si), % 0 to 0.2
0 to 0.2
Tin (Sn), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.5
32.8 to 41.9