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C86300 Bronze vs. CC764S Brass

Both C86300 bronze and CC764S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
15
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 850
680
Tensile Strength: Yield (Proof), MPa 480
290

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 920
850
Melting Onset (Solidus), °C 890
810
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 35
94
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
36

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 360
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
390
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 11
30
Thermal Shock Resistance, points 28
22

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 60 to 66
52 to 66
Iron (Fe), % 2.0 to 4.0
0.5 to 2.5
Lead (Pb), % 0 to 0.2
0 to 0.3
Manganese (Mn), % 2.5 to 5.0
0.3 to 4.0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0 to 0.2
0 to 0.3
Zinc (Zn), % 22 to 28
20.7 to 50.2
Residuals, % 0 to 1.0
0