Low-oxygen Zirconium vs. SAE-AISI 9255 Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI 9255 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is SAE-AISI 9255 steel.

Low-Oxygen (R60700) Zirconium SAE-AISI 9255 (G92550) Silicon Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		23
Elongation at Break, %		21

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		680

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		280

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		46

Thermal Expansion, µm/m-K		5.7
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		7.7

Embodied Water, L/kg		450
Embodied Water, L/kg		46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		70
Resilience: Ultimate (Unit Rupture Work), MJ/m³		120

Resilience: Unit (Modulus of Resilience), kJ/m³		370
Resilience: Unit (Modulus of Resilience), kJ/m³		400

Stiffness to Weight: Axial, points		8.1
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		22

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		13

Thermal Shock Resistance, points		42
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0.51 to 0.59

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

Hafnium (Hf), %		0 to 4.5
Hafnium (Hf), %		0

Hydrogen (H), %		0 to 0.0050
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.2
Iron (Fe), %		96.2 to 97

Manganese (Mn), %		0
Manganese (Mn), %		0.7 to 1.0

Nitrogen (N), %		0 to 0.025
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.1
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0
Silicon (Si), %		1.8 to 2.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.040

Zirconium (Zr), %		94.7 to 100
Zirconium (Zr), %		0