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C71640 Copper-nickel vs. C86800 Bronze

Both C71640 copper-nickel and C86800 bronze are copper alloys. They have 63% of their average alloy composition in common. There are 24 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 C71640 copper-nickel and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 52
42
Tensile Strength: Ultimate (UTS), MPa 490 to 630
570
Tensile Strength: Yield (Proof), MPa 190 to 460
260

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 260
140
Melting Completion (Liquidus), °C 1180
900
Melting Onset (Solidus), °C 1120
880
Specific Heat Capacity, J/kg-K 410
400
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 40
24
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
3.0
Embodied Energy, MJ/kg 73
51
Embodied Water, L/kg 280
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
310
Stiffness to Weight: Axial, points 8.7
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 20
20
Strength to Weight: Bending, points 16 to 18
19
Thermal Shock Resistance, points 16 to 21
18

Alloy Composition


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Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 61.7 to 67.8
53.5 to 57
Iron (Fe), % 1.7 to 2.3
1.0 to 2.5
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 1.5 to 2.5
2.5 to 4.0
Nickel (Ni), % 29 to 32
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0 to 1.0
28.3 to 40.5
Residuals, % 0 to 0.5
0 to 1.0