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CC762S Brass vs. CC332G Bronze

Both CC762S brass and CC332G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is CC762S brass and the bottom bar is CC332G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.3
22
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 840
620
Tensile Strength: Yield (Proof), MPa 540
250

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 920
1060
Melting Onset (Solidus), °C 870
1010
Specific Heat Capacity, J/kg-K 420
440
Thermal Conductivity, W/m-K 51
45
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 51
55
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
270
Stiffness to Weight: Axial, points 7.8
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 15
12
Thermal Shock Resistance, points 27
21

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
8.5 to 10.5
Antimony (Sb), % 0 to 0.030
0
Copper (Cu), % 57 to 67
80 to 86
Iron (Fe), % 1.5 to 4.0
1.0 to 3.0
Lead (Pb), % 0 to 0.2
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 2.5 to 5.0
0 to 2.0
Nickel (Ni), % 0 to 3.0
1.5 to 4.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Tin (Sn), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 13.4 to 36
0 to 0.5