EN 1.4530 Stainless Steel vs. R04295 Alloy

EN 1.4530 stainless steel belongs to the iron alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. 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 EN 1.4530 stainless steel and the bottom bar is R04295 alloy.

EN 1.4530 (X1CrNiMoAlTi12-9-2) Stainless Steel UNS R04295 Niobium-Hafnium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.38

Shear Modulus, GPa		76
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		1030 to 1370
Tensile Strength: Ultimate (UTS), MPa		410

Thermal Properties

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

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

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

Otherwise Unclassified Properties

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

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

Common Calculations

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

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

Strength to Weight: Axial, points		36 to 48
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		29 to 35
Strength to Weight: Bending, points		14

Thermal Shock Resistance, points		35 to 47
Thermal Shock Resistance, points		40

Alloy Composition

Aluminum (Al), %		0.6 to 0.8
Aluminum (Al), %		0

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

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

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

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

Iron (Fe), %		74.4 to 77.3
Iron (Fe), %		0

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

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

Nickel (Ni), %		8.5 to 9.5
Nickel (Ni), %		0

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

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

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

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

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

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

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

Titanium (Ti), %		0.28 to 0.37
Titanium (Ti), %		0.7 to 1.3

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

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