AISI 309Cb Stainless Steel vs. R60901 Alloy

AISI 309Cb stainless steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AISI 309Cb stainless steel and the bottom bar is R60901 alloy.

AISI 309Cb (S30940) Stainless Steel UNS R60901 Zirconium-Niobium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		39
Elongation at Break, %		17 to 22

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		78
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		580
Tensile Strength: Ultimate (UTS), MPa		500 to 580

Tensile Strength: Yield (Proof), MPa		230
Tensile Strength: Yield (Proof), MPa		350 to 390

Thermal Properties

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

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

Thermal Conductivity, W/m-K		15
Thermal Conductivity, W/m-K		17

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		6.3

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		6.6

Embodied Water, L/kg		170
Embodied Water, L/kg		270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		180
Resilience: Ultimate (Unit Rupture Work), MJ/m³		88 to 100

Resilience: Unit (Modulus of Resilience), kJ/m³		140
Resilience: Unit (Modulus of Resilience), kJ/m³		640 to 760

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		8.3

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

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		21 to 25

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		21 to 24

Thermal Diffusivity, mm²/s		4.0
Thermal Diffusivity, mm²/s		9.7

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		58 to 67

Alloy Composition

Carbon (C), %		0 to 0.080
Carbon (C), %		0

Chromium (Cr), %		22 to 24
Chromium (Cr), %		0

Iron (Fe), %		56 to 66
Iron (Fe), %		0

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0

Nickel (Ni), %		12 to 16
Nickel (Ni), %		0

Niobium (Nb), %		0 to 1.1
Niobium (Nb), %		2.4 to 2.8

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

Silicon (Si), %		0 to 0.75
Silicon (Si), %		0

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		96.8 to 97.5

Residuals, %		0
Residuals, %		0 to 0.29