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CC330G Bronze vs. CC750S Brass

Both CC330G bronze and CC750S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is CC330G bronze and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
54
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
13
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 530
200
Tensile Strength: Yield (Proof), MPa 190
80

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1050
860
Melting Onset (Solidus), °C 1000
810
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 62
110
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
24
Electrical Conductivity: Equal Weight (Specific), % IACS 15
26

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
22
Resilience: Unit (Modulus of Resilience), kJ/m3 170
30
Stiffness to Weight: Axial, points 7.5
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
6.8
Strength to Weight: Bending, points 17
9.3
Thermal Diffusivity, mm2/s 17
35
Thermal Shock Resistance, points 19
6.7

Alloy Composition

Aluminum (Al), % 8.0 to 10.5
0 to 0.1
Copper (Cu), % 87 to 92
62 to 67
Iron (Fe), % 0 to 1.2
0 to 0.8
Lead (Pb), % 0 to 0.3
1.0 to 3.0
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.050
Tin (Sn), % 0 to 0.3
0 to 1.5
Zinc (Zn), % 0 to 0.5
26.3 to 36