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CC330G Bronze vs. CC762S Brass

Both CC330G bronze and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
210
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
7.3
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 530
840
Tensile Strength: Yield (Proof), MPa 190
540

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1000
870
Specific Heat Capacity, J/kg-K 430
420
Thermal Conductivity, W/m-K 62
51
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
28
Electrical Conductivity: Equal Weight (Specific), % IACS 15
32

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
54
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1290
Stiffness to Weight: Axial, points 7.5
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 17
15
Thermal Shock Resistance, points 19
27

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Copper (Cu), % 87 to 92
57 to 67
Iron (Fe), % 0 to 1.2
1.5 to 4.0
Lead (Pb), % 0 to 0.3
0 to 0.2
Manganese (Mn), % 0 to 0.5
2.5 to 5.0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.1
Tin (Sn), % 0 to 0.3
0 to 0.2
Zinc (Zn), % 0 to 0.5
13.4 to 36