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AUSTENITIC STAINLESS STEEL

AISI 309Cb+Ta

AISI 309Cb+Ta belongs to the AUSTENITIC STAINLESS STEEL material family. Verify values against the governing product specification, product form and delivery condition before selection or certification.

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MATERIAL INTRODUCTION

AISI 309Cb+Ta

AISI 309Cb+Ta is listed in the AUSTENITIC STAINLESS STEEL family. Confirm its chemistry limits against the governing product standard and product form before certification.

Mechanical requirements for AISI 309Cb+Ta depend on the specified product form, dimensions, delivery condition and test method. Use certified values for the actual supplied material rather than treating general reference data as design allowables.

A specific Werkstoff number is not confirmed for AISI 309Cb+Ta in this reference; the current entry is See applicable material specification. Use the governing product specification or supplier certification to establish any requested equivalent.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for AISI 309Cb+Ta.

Material AISI 309Cb+Ta
UNS Number See applicable material specification
Werkstoff Number See applicable material specification
Material Type Heat-resistant austenitic chromium-nickel stainless steel
MATERIAL PROPERTIES

Chemical Composition

Composition limits depend on the governing material specification and product form; confirm certified chemistry before ordering.

Element / feature Symbol Grade information
Chromium Cr High-temperature oxidation/corrosion resistance
Nickel Ni Austenite stabilization and high-temperature performance
Silicon / molybdenum Si / Mo May be present depending on grade
Other elements — Limits controlled by applicable specification
PERFORMANCE DATA

Mechanical Properties

Mechanical requirements depend on condition, dimensions, test method and the governing specification. Use certified product data for design; general reference values are not design allowables.

Property Value Unit
Tensile Strength Condition and product-form dependent —
Yield Strength Condition and product-form dependent —
Elongation Condition and product-form dependent %
Hardness Grade and condition dependent —
MATERIAL DATA

Physical Properties

Reference physical data for AISI 309Cb+Ta include Density: Typically about 7.9–8.1 g/cm³; Elastic Modulus: Typically about 193 GPa; Thermal Conductivity: Typically about 14–17 W/m·K; Specific Heat: Typically about 500 J/kg·K. Values can depend on composition, temperature and test method.

Density Typically about 7.9–8.1 g/cm³
Elastic Modulus Typically about 193 GPa
Thermal Conductivity Typically about 14–17 W/m·K
Specific Heat Typically about 500 J/kg·K
Melting Range Typically about 1370–1450°C
WHY SELECT THIS MATERIAL

Material Characteristics

AISI 309Cb+Ta is represented by grade-specific chemistry and property data. This austenitic stainless grade is selected according to its corrosion, forming and fabrication requirements. Verify the service medium and supplied condition.

01

Corrosion Resistance

Corrosion performance depends on the grade, medium, temperature and surface condition.

02

Formability

Austenitic grades can work harden during forming; process route and temper matter.

03

Weldability

Use a qualified procedure and suitable filler for the exact grade and service.

04

Non-Hardening by Quench

Austenitic grades are not hardened by ordinary quench hardening; verify specified condition.

AISI 309Cb+Ta Bolting Products

AISI 309Cb+Ta Bolts AISI 309Cb+Ta Screws AISI 309Cb+Ta Studs AISI 309Cb+Ta Threaded Rods AISI 309Cb+Ta Anchor Bolts AISI 309Cb+Ta Nuts AISI 309Cb+Ta Washers AISI 309Cb+Ta Pins AISI 309Cb+Ta Springs AISI 309Cb+Ta Rings AISI 309Cb+Ta Coated Fasteners AISI 309Cb+Ta Custom Fasteners
INDUSTRIAL USE

Typical Applications

AISI 309Cb+Ta may be considered for these uses when its specification, condition and certified properties meet the application requirements. This austenitic stainless grade is selected according to its corrosion, forming and fabrication requirements. Verify the service medium and supplied condition.

01

Process Equipment

Potential use in chemical or process equipment depends on the service medium.

02

Food and General Equipment

Select grade and finish for hygiene, corrosion and cleaning requirements.

03

Welded Fabrications

Suitable grades are used in welded fabrications with qualified procedures.

04

Fasteners

Choose fastener grade and condition based on load and corrosion exposure.

ENGINEERING GUIDE

Engineering Considerations

Material Selection

Consider corrosion environment, temperature, product form, fastener size, heat treatment and the governing specification when selecting AISI 309Cb+Ta.

Formability

Corrosion Resistance: AISI 309Cb+Ta is intended for corrosion-resistant service, but actual performance depends on the environment, concentration, temperature and surface condition.

Mechanical Requirements

Mechanical Requirements: use certified mechanical properties for the exact grade, product form and condition; do not substitute generic family values for design allowables.

COMMON QUESTIONS

Frequently Asked Questions

What is AISI 309Cb+Ta?

AISI 309Cb+Ta is a heat-resistant austenitic stainless steel in the 309 family, offering higher chromium and nickel than 304-series grades for elevated-temperature oxidation resistance.

What type of stainless steel is AISI 309Cb+Ta?

AISI 309Cb+Ta is classified here in the supplied Austenitic Stainless Steel list. Confirm the exact metallurgy and specification from the applicable standard.

What is the UNS number for AISI 309Cb+Ta?

The common UNS designation used for AISI 309Cb+Ta is See applicable material specification. Where the designation varies by product standard, verify the exact purchase specification.

What is the Werkstoff number for AISI 309Cb+Ta?

The Werkstoff designation listed for AISI 309Cb+Ta is See applicable material specification. Verify the exact material standard and product form before procurement.

The Werkstoff reference listed for AISI 309Cb+Ta is See applicable material specification. Confirm equivalence for the exact product standard and delivery condition before procurement.

Where is AISI 309Cb+Ta used?

Typical applications include furnace components, heat-treatment equipment, high-temperature fasteners. Suitability depends on service environment and product condition.

Are the mechanical properties of AISI 309Cb+Ta condition dependent?

Yes. Tensile strength, yield strength, elongation and hardness vary with product form, heat treatment, cold work, section size and the governing specification.

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