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C71640 Copper-nickel vs. C65400 Bronze

Both C71640 copper-nickel and C65400 bronze are copper alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
43
Tensile Strength: Ultimate (UTS), MPa 490 to 630
500 to 1060
Tensile Strength: Yield (Proof), MPa 190 to 460
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 260
200
Melting Completion (Liquidus), °C 1180
1020
Melting Onset (Solidus), °C 1120
960
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 29
36
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 5.0
2.8
Embodied Energy, MJ/kg 73
45
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
130 to 3640
Stiffness to Weight: Axial, points 8.7
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
16 to 34
Strength to Weight: Bending, points 16 to 18
16 to 27
Thermal Diffusivity, mm2/s 8.2
10
Thermal Shock Resistance, points 16 to 21
18 to 39

Alloy Composition


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Chromium (Cr), % 0
0.010 to 0.12
Copper (Cu), % 61.7 to 67.8
93.8 to 96.1
Iron (Fe), % 1.7 to 2.3
0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0
Silicon (Si), % 0
2.7 to 3.4
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0 to 1.0
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.2

Comparable Variants