R04295 Alloy vs. EN 1.4596 Stainless Steel

R04295 alloy belongs to the otherwise unclassified metals classification, while EN 1.4596 stainless steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is EN 1.4596 stainless steel.

UNS R04295 Niobium-Hafnium Alloy EN 1.4596 (X1CrNiMoAlTi12-10-2) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.38
Poisson's Ratio		0.28

Shear Modulus, GPa		37
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		410
Tensile Strength: Ultimate (UTS), MPa		1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		280

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		7.2
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		9.0
Density, g/cm³		7.9

Embodied Water, L/kg		950
Embodied Water, L/kg		130

Common Calculations

Stiffness to Weight: Axial, points		6.3
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		17
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		36 to 56

Strength to Weight: Bending, points		14
Strength to Weight: Bending, points		29 to 39

Thermal Shock Resistance, points		40
Thermal Shock Resistance, points		35 to 54

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0.8 to 1.1

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

Chromium (Cr), %		0
Chromium (Cr), %		11.5 to 12.5

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

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

Iron (Fe), %		0
Iron (Fe), %		73.4 to 76.4

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Molybdenum (Mo), %		0
Molybdenum (Mo), %		1.9 to 2.2

Nickel (Ni), %		0
Nickel (Ni), %		9.2 to 10.2

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

Nitrogen (N), %		0 to 0.010
Nitrogen (N), %		0 to 0.020

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

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

Sulfur (S), %		0
Sulfur (S), %		0 to 0.0050

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

Titanium (Ti), %		0.7 to 1.3
Titanium (Ti), %		0.28 to 0.4

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

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