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C86200 Bronze vs. C69430 Brass

Both C86200 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 (1, in this case) are not shown.

For each property being compared, the top bar is C86200 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, % 21
17
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 710
570
Tensile Strength: Yield (Proof), MPa 350
280

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 410
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 9.0
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 540
340
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 11
7.7
Thermal Shock Resistance, points 23
20

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
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
0 to 0.5