Nickel 690 vs. R05240 Alloy

Nickel 690 belongs to the nickel alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. 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 nickel 690 and the bottom bar is R05240 alloy.

Nickel Alloy 690 (N06690)UNS R05240 Tantalum-Niobium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		150

Elongation at Break, %		3.4 to 34
Elongation at Break, %		25

Poisson's Ratio		0.28
Poisson's Ratio		0.36

Shear Modulus, GPa		79
Shear Modulus, GPa		57

Tensile Strength: Ultimate (UTS), MPa		640 to 990
Tensile Strength: Ultimate (UTS), MPa		270

Tensile Strength: Yield (Proof), MPa		250 to 760
Tensile Strength: Yield (Proof), MPa		170

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		210

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		190

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		6.8

Otherwise Unclassified Properties

Density, g/cm³		8.3
Density, g/cm³		14

Embodied Water, L/kg		290
Embodied Water, L/kg		460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		31 to 170
Resilience: Ultimate (Unit Rupture Work), MJ/m³		59

Resilience: Unit (Modulus of Resilience), kJ/m³		160 to 1440
Resilience: Unit (Modulus of Resilience), kJ/m³		90

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		6.3

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		13

Strength to Weight: Axial, points		21 to 33
Strength to Weight: Axial, points		5.4

Strength to Weight: Bending, points		20 to 27
Strength to Weight: Bending, points		6.8

Thermal Shock Resistance, points		16 to 25
Thermal Shock Resistance, points		18

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.010

Chromium (Cr), %		27 to 31
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0015

Iron (Fe), %		7.0 to 11
Iron (Fe), %		0 to 0.010

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.020

Nickel (Ni), %		58 to 66
Nickel (Ni), %		0 to 0.010

Niobium (Nb), %		0
Niobium (Nb), %		35 to 42

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0
Oxygen (O), %		0 to 0.020

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 0.0050

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0

Tantalum (Ta), %		0
Tantalum (Ta), %		57.9 to 65

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.010

Tungsten (W), %		0
Tungsten (W), %		0 to 0.050