R60901 Alloy vs. Nickel 725

R60901 alloy belongs to the otherwise unclassified metals classification, while nickel 725 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R60901 alloy and the bottom bar is nickel 725.

UNS R60901 Zirconium-Niobium Alloy Nickel Alloy 725 (N07725)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		17 to 22
Elongation at Break, %		34

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		500 to 580
Tensile Strength: Ultimate (UTS), MPa		860

Tensile Strength: Yield (Proof), MPa		350 to 390
Tensile Strength: Yield (Proof), MPa		350

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		320

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		6.3
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		6.6
Density, g/cm³		8.5

Embodied Water, L/kg		270
Embodied Water, L/kg		270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		88 to 100
Resilience: Ultimate (Unit Rupture Work), MJ/m³		240

Resilience: Unit (Modulus of Resilience), kJ/m³		640 to 760
Resilience: Unit (Modulus of Resilience), kJ/m³		300

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		21 to 25
Strength to Weight: Axial, points		28

Strength to Weight: Bending, points		21 to 24
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		58 to 67
Thermal Shock Resistance, points		23

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.35

Carbon (C), %		0
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		19 to 22.5

Iron (Fe), %		0
Iron (Fe), %		2.3 to 15.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.35

Molybdenum (Mo), %		0
Molybdenum (Mo), %		7.0 to 9.5

Nickel (Ni), %		0
Nickel (Ni), %		55 to 59

Niobium (Nb), %		2.4 to 2.8
Niobium (Nb), %		2.8 to 4.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.015

Silicon (Si), %		0
Silicon (Si), %		0 to 0.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		1.0 to 1.7

Zirconium (Zr), %		96.8 to 97.5
Zirconium (Zr), %		0

Residuals, %		0 to 0.29
Residuals, %		0