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C71520 Copper-nickel vs. R60705 Alloy

C71520 copper-nickel belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C71520 copper-nickel and the bottom bar is R60705 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
98
Elongation at Break, % 10 to 45
18
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 51
37
Tensile Strength: Ultimate (UTS), MPa 370 to 570
540
Tensile Strength: Yield (Proof), MPa 140 to 430
430

Thermal Properties

Latent Heat of Fusion, J/g 230
250
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 32
17
Thermal Expansion, µm/m-K 15
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.9
6.7
Embodied Water, L/kg 280
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 130
90
Resilience: Unit (Modulus of Resilience), kJ/m3 67 to 680
950
Stiffness to Weight: Axial, points 8.6
8.1
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12 to 18
22
Strength to Weight: Bending, points 13 to 17
22
Thermal Diffusivity, mm2/s 8.9
9.5
Thermal Shock Resistance, points 12 to 19
63

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 65 to 71.6
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0.4 to 1.0
0 to 0.2
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 28 to 33
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.2
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.5
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.5
0