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C86300 Bronze vs. C68800 Brass

Both C86300 bronze and C68800 brass 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 C86300 bronze and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
2.0 to 36
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 850
570 to 890
Tensile Strength: Yield (Proof), MPa 480
390 to 790

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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