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CC331G Bronze vs. CC763S Brass

Both CC331G bronze and CC763S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC331G bronze and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
130
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
7.3
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 620
490
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 1060
870
Melting Onset (Solidus), °C 1000
830
Specific Heat Capacity, J/kg-K 440
400
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
29
Electrical Conductivity: Equal Weight (Specific), % IACS 14
32

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.9
Embodied Energy, MJ/kg 53
49
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
30
Resilience: Unit (Modulus of Resilience), kJ/m3 250
340
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 83 to 86.5
56.5 to 67
Iron (Fe), % 1.5 to 3.5
0.5 to 2.0
Lead (Pb), % 0 to 0.1
0 to 1.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
1.0 to 3.5
Nickel (Ni), % 0 to 1.5
0 to 2.5
Silicon (Si), % 0 to 0.2
0 to 1.0
Tin (Sn), % 0 to 0.2
0 to 1.0
Zinc (Zn), % 0 to 0.5
18.9 to 41