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C86300 Bronze vs. C86700 Bronze

Both C86300 bronze and C86700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% of their average alloy composition in common. There are 28 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 C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 850
630
Tensile Strength: Yield (Proof), MPa 480
250

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 920
880
Melting Onset (Solidus), °C 890
860
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 35
89
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
17
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
86
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
290
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 11
28
Thermal Shock Resistance, points 28
21

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
1.0 to 3.0
Copper (Cu), % 60 to 66
55 to 60
Iron (Fe), % 2.0 to 4.0
1.0 to 3.0
Lead (Pb), % 0 to 0.2
0.5 to 1.5
Manganese (Mn), % 2.5 to 5.0
1.0 to 3.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Tin (Sn), % 0 to 0.2
0 to 1.5
Zinc (Zn), % 22 to 28
30 to 38
Residuals, % 0 to 1.0
0 to 1.0