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C86300 Bronze vs. C68400 Brass

Both C86300 bronze and C68400 brass are copper alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
18
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 480
310

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 920
840
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 35
66
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
87
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
81
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
460
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 11
21
Thermal Shock Resistance, points 28
18

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 60 to 66
59 to 64
Iron (Fe), % 2.0 to 4.0
0 to 1.0
Lead (Pb), % 0 to 0.2
0 to 0.090
Manganese (Mn), % 2.5 to 5.0
0.2 to 1.5
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0 to 0.2
0 to 0.5
Zinc (Zn), % 22 to 28
28.6 to 39.3
Residuals, % 0 to 1.0
0 to 0.5