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C68800 Brass vs. C86300 Bronze

Both C68800 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 C68800 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 36
14
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 570 to 890
850
Tensile Strength: Yield (Proof), MPa 390 to 790
480

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 960
920
Melting Onset (Solidus), °C 950
890
Specific Heat Capacity, J/kg-K 400
420
Thermal Conductivity, W/m-K 40
35
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 20
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
1030
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 30
30
Strength to Weight: Bending, points 19 to 25
25
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 30
28

Alloy Composition


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Aluminum (Al), % 3.0 to 3.8
5.0 to 7.5
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
60 to 66
Iron (Fe), % 0 to 0.2
2.0 to 4.0
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 21.3 to 24.1
22 to 28
Residuals, % 0 to 0.5
0 to 1.0