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C86300 Bronze vs. C68700 Brass

Both C86300 bronze and C68700 brass are copper alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 850
390
Tensile Strength: Yield (Proof), MPa 480
140

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 920
970
Melting Onset (Solidus), °C 890
930
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 35
100
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
25

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1030
90
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 30
13
Strength to Weight: Bending, points 25
14
Thermal Diffusivity, mm2/s 11
30
Thermal Shock Resistance, points 28
13

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 60 to 66
76 to 79
Iron (Fe), % 2.0 to 4.0
0 to 0.060
Lead (Pb), % 0 to 0.2
0 to 0.070
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
17.8 to 22.2
Residuals, % 0 to 1.0
0 to 0.5