Reactor Grade Zirconium vs. EN 1.4872 Stainless Steel

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while EN 1.4872 stainless steel belongs to the iron alloys. There are 20 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 reactor grade zirconium and the bottom bar is EN 1.4872 stainless steel.

Reactor Grade (R60001) Zirconium EN 1.4872 (X25CrMnNiN25-9-7) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		21
Elongation at Break, %		28

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		37
Shear Modulus, GPa		79

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		950

Tensile Strength: Yield (Proof), MPa		160
Tensile Strength: Yield (Proof), MPa		560

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		300

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		490

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		15

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		7.6

Embodied Water, L/kg		280
Embodied Water, L/kg		180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		56
Resilience: Ultimate (Unit Rupture Work), MJ/m³		230

Resilience: Unit (Modulus of Resilience), kJ/m³		130
Resilience: Unit (Modulus of Resilience), kJ/m³		780

Stiffness to Weight: Axial, points		8.4
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		26

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		35

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		28

Thermal Diffusivity, mm²/s		13
Thermal Diffusivity, mm²/s		3.9

Thermal Shock Resistance, points		41
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.2 to 0.3

Chromium (Cr), %		0
Chromium (Cr), %		24 to 26

Iron (Fe), %		0
Iron (Fe), %		54.2 to 61.6

Manganese (Mn), %		0
Manganese (Mn), %		8.0 to 10

Nickel (Ni), %		0
Nickel (Ni), %		6.0 to 8.0

Nitrogen (N), %		0
Nitrogen (N), %		0.2 to 0.4

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.045

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

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

Zirconium (Zr), %		99.7 to 100
Zirconium (Zr), %		0

Residuals, %		0 to 0.27
Residuals, %		0