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C72900 Copper-nickel vs. C19400 Copper

Both C72900 copper-nickel and C19400 copper are copper alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.0 to 20
2.3 to 37
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
44
Shear Strength, MPa 540 to 630
210 to 300
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
310 to 630
Tensile Strength: Yield (Proof), MPa 700 to 920
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 1120
1090
Melting Onset (Solidus), °C 950
1080
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 29
260
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 39
30
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.6
2.6
Embodied Energy, MJ/kg 72
40
Embodied Water, L/kg 360
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
41 to 1140
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 27 to 34
9.7 to 20
Strength to Weight: Bending, points 23 to 27
11 to 18
Thermal Diffusivity, mm2/s 8.6
75
Thermal Shock Resistance, points 31 to 38
11 to 22

Alloy Composition

Copper (Cu), % 74.1 to 78
96.8 to 97.8
Iron (Fe), % 0 to 0.5
2.1 to 2.6
Lead (Pb), % 0 to 0.020
0 to 0.030
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0.015 to 0.15
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0.050 to 0.2
Residuals, % 0
0 to 0.2