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C21000 Brass vs. CC331G Bronze

Both C21000 brass and CC331G bronze are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 240 to 450
620
Tensile Strength: Yield (Proof), MPa 69 to 440
240

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 1070
1060
Melting Onset (Solidus), °C 1050
1000
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 230
61
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
13
Electrical Conductivity: Equal Weight (Specific), % IACS 57
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 42
53
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
97
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
250
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
21
Strength to Weight: Bending, points 9.6 to 15
19
Thermal Diffusivity, mm2/s 69
17
Thermal Shock Resistance, points 8.1 to 15
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Copper (Cu), % 94 to 96
83 to 86.5
Iron (Fe), % 0 to 0.050
1.5 to 3.5
Lead (Pb), % 0 to 0.030
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 3.7 to 6.0
0 to 0.5
Residuals, % 0 to 0.2
0