R04295 Alloy vs. ASTM F15 Fe-Ni-Co

R04295 alloy belongs to the otherwise unclassified metals classification, while ASTM F15 Fe-Ni-Co belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is ASTM F15 Fe-Ni-Co.

UNS R04295 Niobium-Hafnium Alloy ASTM F15 (1.3981, K94610) Fe-Ni-Co Sealing Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.38
Poisson's Ratio		0.3

Shear Modulus, GPa		37
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		410
Tensile Strength: Ultimate (UTS), MPa		520 to 880

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		270

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		7.2
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

Density, g/cm³		9.0
Density, g/cm³		8.3

Embodied Water, L/kg		950
Embodied Water, L/kg		190

Common Calculations

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

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		17 to 29

Strength to Weight: Bending, points		14
Strength to Weight: Bending, points		17 to 24

Thermal Shock Resistance, points		40
Thermal Shock Resistance, points		32 to 55

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.1

Carbon (C), %		0 to 0.015
Carbon (C), %		0 to 0.040

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.2

Cobalt (Co), %		0
Cobalt (Co), %		16 to 18

Copper (Cu), %		0
Copper (Cu), %		0 to 0.2

Hafnium (Hf), %		9.0 to 11
Hafnium (Hf), %		0

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

Iron (Fe), %		0
Iron (Fe), %		50.3 to 56

Magnesium (Mg), %		0
Magnesium (Mg), %		0 to 0.1

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.2

Nickel (Ni), %		0
Nickel (Ni), %		28 to 30

Niobium (Nb), %		85.9 to 90.3
Niobium (Nb), %		0

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

Oxygen (O), %		0 to 0.025
Oxygen (O), %		0

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

Tantalum (Ta), %		0 to 0.5
Tantalum (Ta), %		0

Titanium (Ti), %		0.7 to 1.3
Titanium (Ti), %		0 to 0.1

Tungsten (W), %		0 to 0.5
Tungsten (W), %		0

Zirconium (Zr), %		0 to 0.7
Zirconium (Zr), %		0 to 0.1