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C86300 Bronze vs. C72700 Copper-nickel

Both C86300 bronze and C72700 copper-nickel are copper alloys. They have 64% 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 C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 14
4.0 to 36
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 850
460 to 1070
Tensile Strength: Yield (Proof), MPa 480
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 920
1100
Melting Onset (Solidus), °C 890
930
Specific Heat Capacity, J/kg-K 420
380
Thermal Conductivity, W/m-K 35
54
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
36
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.0
Embodied Energy, MJ/kg 51
62
Embodied Water, L/kg 360
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
1420 to 4770
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 30
14 to 34
Strength to Weight: Bending, points 25
15 to 26
Thermal Diffusivity, mm2/s 11
16
Thermal Shock Resistance, points 28
16 to 38

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0
Copper (Cu), % 60 to 66
82.1 to 86
Iron (Fe), % 2.0 to 4.0
0 to 0.5
Lead (Pb), % 0 to 0.2
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 2.5 to 5.0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Tin (Sn), % 0 to 0.2
5.5 to 6.5
Zinc (Zn), % 22 to 28
0 to 0.5
Residuals, % 0 to 1.0
0 to 0.3