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CC333G Bronze vs. CC765S Brass

Both CC333G bronze and CC765S 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 CC333G bronze and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
130
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 13
21
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 710
540
Tensile Strength: Yield (Proof), MPa 310
220

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
140
Melting Completion (Liquidus), °C 1080
860
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 38
91
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
34

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
90
Resilience: Unit (Modulus of Resilience), kJ/m3 410
220
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 10
28
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Bismuth (Bi), % 0 to 0.010
0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 76 to 83
51 to 65
Iron (Fe), % 3.0 to 5.5
0.5 to 2.0
Lead (Pb), % 0 to 0.030
0 to 0.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 3.0
0.3 to 3.0
Nickel (Ni), % 3.7 to 6.0
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0 to 0.1
0 to 1.0
Zinc (Zn), % 0 to 0.5
19.8 to 47.7