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C86300 Bronze vs. C69430 Brass

Both C86300 bronze and C69430 brass 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 C86300 bronze and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
17
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 850
570
Tensile Strength: Yield (Proof), MPa 480
280

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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