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C66700 Brass vs. C86300 Bronze

Both C66700 brass and C86300 bronze are copper alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C66700 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 58
14
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 340 to 690
850
Tensile Strength: Yield (Proof), MPa 100 to 640
480

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1050
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 97
35
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
1030
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 23
30
Strength to Weight: Bending, points 13 to 21
25
Thermal Diffusivity, mm2/s 30
11
Thermal Shock Resistance, points 11 to 23
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 68.5 to 71.5
60 to 66
Iron (Fe), % 0 to 0.1
2.0 to 4.0
Lead (Pb), % 0 to 0.070
0 to 0.2
Manganese (Mn), % 0.8 to 1.5
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 26.3 to 30.7
22 to 28
Residuals, % 0 to 0.5
0 to 1.0