AUSTENITIC STAINLESS STEEL

AISI 322

AISI 322 is listed in the AUSTENITIC STAINLESS STEEL material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

AISI 322
MATERIAL INTRODUCTION

AISI 322

The reference chemistry table for AISI 322 lists Chromium (Cr): Primary corrosion-resistant alloying element; Nickel (Ni): Austenite stabilizer; Carbon (C): Controlled to suit grade and condition. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for AISI 322 lists 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 —. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.

No one-to-one Werkstoff number was verified for AISI 322 in the cross-reference sources checked for this update. Confirm any proposed EN alternative against the governing specification.

View Technical Information →
TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for AISI 322.

Material AISI 322
UNS Number See applicable material specification
Werkstoff Number No verified one-to-one equivalent
Material Type Specialized stainless steel grade
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Chromium (Cr): Primary corrosion-resistant alloying element; Nickel (Ni): Austenite stabilizer; Carbon (C): Controlled to suit grade and condition. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element / feature Symbol Grade information
Chromium Cr Primary corrosion-resistant alloying element
Nickel Ni Austenite stabilizer
Carbon C Controlled to suit grade and condition
Other elements — Limits controlled by applicable specification
PERFORMANCE DATA

Mechanical Properties

The table reports 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 — as reference data for AISI 322. Actual requirements depend on condition, dimensions, test method and specification; these 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

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 322 is a specialized stainless grade used for corrosion-resistant industrial service; applicable product standards should be consulted for exact chemistry and properties. Key performance features vary by grade and condition.

01

Corrosion resistant

AISI 322 is selected when corrosion resistant is important in service.

02

Austenitic or high-alloy stainless family

The grade provides austenitic or high-alloy stainless family, subject to product form and specification.

03

Good engineering versatility

This characteristic supports use of AISI 322 in appropriate industrial environments.

04

Specification-dependent properties

Performance depends on the certified material condition and governing specification.

AISI 322 Bolting Products

INDUSTRIAL USE

Typical Applications

AISI 322 is selected for bolting and engineered components where its corrosion, temperature or fabrication characteristics match the service environment.

01

General Industrial Use

Typical applications include industrial equipment. Confirm suitability against the project specification, temperature, media and product condition.

02

Process & Chemical Service

Typical applications include bolting and fasteners. Confirm suitability against the project specification, temperature, media and product condition.

03

Bolting & Fasteners

Typical applications include process equipment. Confirm suitability against the project specification, temperature, media and product condition.

04

High-Temperature / Special Service

Typical applications include general engineering. Confirm suitability against the project specification, temperature, media and product condition.

ENGINEERING GUIDE

Engineering Considerations

Material Selection

Consider corrosion environment, temperature, product form, fastener size, heat treatment and the governing specification when selecting AISI 322.

Formability

Corrosion Resistance: AISI 322 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 the Werkstoff number for AISI 322?

No one-to-one Werkstoff number was verified for AISI 322 in the cross-reference sources checked for this update, so this page does not assign a number. Confirm any proposed EN alternative against the applicable product standard and supplier certificate before substitution.

Where is AISI 322 used?

Typical applications include industrial equipment, bolting and fasteners, process equipment. Suitability depends on service environment and product condition.

Are the mechanical properties of AISI 322 condition dependent?

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

ENGINEERING SUPPORT

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