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C69430 Brass vs. C86300 Bronze

Both C69430 brass and C86300 bronze are copper alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C69430 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, % 17
14
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
850
Tensile Strength: Yield (Proof), MPa 280
480

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 820
890
Specific Heat Capacity, J/kg-K 410
420
Thermal Conductivity, W/m-K 26
35
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 300
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
100
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1030
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
30
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 20
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
60 to 66
Iron (Fe), % 0 to 0.2
2.0 to 4.0
Lead (Pb), % 0 to 0.3
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 3.5 to 4.5
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 11.4 to 16.5
22 to 28
Residuals, % 0 to 0.5
0 to 1.0