Low-oxygen Zirconium vs. ACI-ASTM CB30 Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 18 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 low-oxygen zirconium and the bottom bar is ACI-ASTM CB30 steel.

Low-Oxygen (R60700) Zirconium ACI-ASTM CB30 (J91803) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		37
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		500

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		230

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		290

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		21

Thermal Expansion, µm/m-K		5.7
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

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

Embodied Water, L/kg		450
Embodied Water, L/kg		130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		370
Resilience: Unit (Modulus of Resilience), kJ/m³		140

Stiffness to Weight: Axial, points		8.1
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		18

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		5.6

Thermal Shock Resistance, points		42
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.3

Chromium (Cr), %		0 to 0.2
Chromium (Cr), %		18 to 21

Copper (Cu), %		0
Copper (Cu), %		0 to 1.2

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), %		72.9 to 82

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

Nickel (Ni), %		0
Nickel (Ni), %		0 to 2.0

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 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 1.5

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

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