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C66900 Brass vs. C86300 Bronze

Both C66900 brass and C86300 bronze are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 26
14
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 460 to 770
850
Tensile Strength: Yield (Proof), MPa 330 to 760
480

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 860
920
Melting Onset (Solidus), °C 850
890
Specific Heat Capacity, J/kg-K 400
420
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
1030
Stiffness to Weight: Axial, points 8.1
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 26
30
Strength to Weight: Bending, points 16 to 23
25
Thermal Shock Resistance, points 14 to 23
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 62.5 to 64.5
60 to 66
Iron (Fe), % 0 to 0.25
2.0 to 4.0
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 11.5 to 12.5
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 22.5 to 26
22 to 28
Residuals, % 0 to 0.2
0 to 1.0