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C72900 Copper-nickel vs. C17200 Copper

Both C72900 copper-nickel and C17200 copper are copper alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C17200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.0 to 20
1.1 to 37
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
45
Shear Strength, MPa 540 to 630
330 to 780
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
480 to 1380
Tensile Strength: Yield (Proof), MPa 700 to 920
160 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 210
280
Melting Completion (Liquidus), °C 1120
980
Melting Onset (Solidus), °C 950
870
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 29
110
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
23

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 4.6
9.4
Embodied Energy, MJ/kg 72
150
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
4.2 to 500
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
110 to 5720
Stiffness to Weight: Axial, points 7.6
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 27 to 34
15 to 44
Strength to Weight: Bending, points 23 to 27
16 to 31
Thermal Diffusivity, mm2/s 8.6
31
Thermal Shock Resistance, points 31 to 38
16 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Copper (Cu), % 74.1 to 78
96.1 to 98
Iron (Fe), % 0 to 0.5
0 to 0.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0.2 to 0.6
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.5

Comparable Variants