AUSTENITIC STAINLESS STEEL

AISI 310S

AISI 310S 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 310S
MATERIAL INTRODUCTION

AISI 310S

The reference chemistry table for AISI 310S lists 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. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for AISI 310S 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.

Werkstoff / EN cross-reference for AISI 310S: 1.4845. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.

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TECHNICAL INFORMATION

Material Identification

Standard identification and material designation information for AISI 310S.

Material AISI 310S
UNS Number S31008
Werkstoff Number 1.4845
Material Type Heat-resistant austenitic chromium-nickel stainless steel
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists 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. Confirm the governing standard, product analysis tolerances and product form 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

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 310S. 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 310S is a heat-resistant austenitic stainless steel in the 310 family, selected for oxidation resistance and mechanical stability at elevated temperatures. Key performance features vary by grade and condition.

01

High-temperature oxidation resistance

AISI 310S is selected when high-temperature oxidation resistance is important in service.

02

High chromium and nickel

The grade provides high chromium and nickel, subject to product form and specification.

03

Good thermal stability

This characteristic supports use of AISI 310S in appropriate industrial environments.

04

Suitable for furnace service

Performance depends on the certified material condition and governing specification.

AISI 310S Bolting Products

INDUSTRIAL USE

Typical Applications

AISI 310S 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 furnace parts. Confirm suitability against the project specification, temperature, media and product condition.

02

Process & Chemical Service

Typical applications include heat-treatment fixtures. Confirm suitability against the project specification, temperature, media and product condition.

03

Bolting & Fasteners

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

04

High-Temperature / Special Service

Typical applications include industrial heating equipment. 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 310S.

Formability

Corrosion Resistance: AISI 310S 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 310S?

The commonly listed Werkstoff / EN cross-reference for AISI 310S is 1.4845. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.

Where is AISI 310S used?

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

Are the mechanical properties of AISI 310S 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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