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C16500 Copper vs. C71640 Copper-nickel

Both C16500 copper and C71640 copper-nickel 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 (4, in this case) are not shown.

For each property being compared, the top bar is C16500 copper and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
52
Tensile Strength: Ultimate (UTS), MPa 280 to 530
490 to 630
Tensile Strength: Yield (Proof), MPa 97 to 520
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 340
260
Melting Completion (Liquidus), °C 1070
1180
Melting Onset (Solidus), °C 1010
1120
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 250
29
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 61
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 42
73
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1160
130 to 750
Stiffness to Weight: Axial, points 7.1
8.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.6 to 17
15 to 20
Strength to Weight: Bending, points 11 to 16
16 to 18
Thermal Diffusivity, mm2/s 74
8.2
Thermal Shock Resistance, points 9.8 to 19
16 to 21

Alloy Composition

Cadmium (Cd), % 0.6 to 1.0
0
Copper (Cu), % 97.8 to 98.9
61.7 to 67.8
Iron (Fe), % 0 to 0.020
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
Tin (Sn), % 0.5 to 0.7
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5