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C72900 Copper-nickel vs. R60901 Alloy

C72900 copper-nickel belongs to the copper alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
98
Elongation at Break, % 6.0 to 20
17 to 22
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
37
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
500 to 580
Tensile Strength: Yield (Proof), MPa 700 to 920
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 380
270
Thermal Conductivity, W/m-K 29
17
Thermal Expansion, µm/m-K 17
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
6.6
Embodied Water, L/kg 360
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
640 to 760
Stiffness to Weight: Axial, points 7.6
8.3
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 27 to 34
21 to 25
Strength to Weight: Bending, points 23 to 27
21 to 24
Thermal Diffusivity, mm2/s 8.6
9.7
Thermal Shock Resistance, points 31 to 38
58 to 67

Alloy Composition

Copper (Cu), % 74.1 to 78
0
Iron (Fe), % 0 to 0.5
0
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
Niobium (Nb), % 0 to 0.1
2.4 to 2.8
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29