AGE-HARDENABLE AUSTENITIC STAINLESS ALLOY

Alloy A286

Alloy A286 is listed in the AGE-HARDENABLE AUSTENITIC STAINLESS ALLOY material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.

Alloy A286
MATERIAL INTRODUCTION

Alloy A286

The reference chemistry table for Alloy A286 lists Nickel (Ni): Approx. 24–27%; Chromium (Cr): Approx. 13.5–16%; Titanium (Ti): Controlled age-hardening addition; Molybdenum (Mo): Small controlled addition. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for Alloy A286 lists Tensile Strength: 900–1300 MPa; Yield Strength: 600–1100 MPa; Elongation: 5–20 %; Hardness: Approx. 250–400 HB HB. 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 Alloy A286: 1.4980. 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 Alloy A286.

Material Alloy A286
UNS Number S66286
Reference / Equivalent No universal equivalent confirmed
Material Type High-molybdenum stainless steel
Werkstoff Number1.4980
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Nickel (Ni): Approx. 24–27%; Chromium (Cr): Approx. 13.5–16%; Titanium (Ti): Controlled age-hardening addition; Molybdenum (Mo): Small controlled addition. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element Symbol Composition
Nickel Ni Approx. 24–27%
Chromium Cr Approx. 13.5–16%
Titanium Ti Controlled age-hardening addition
Molybdenum Mo Small controlled addition
Iron Fe Balance
Other Elements — Controlled according to the applicable grade and product specification
PERFORMANCE DATA

Mechanical Properties

The table reports Tensile Strength: 900–1300 MPa; Yield Strength: 600–1100 MPa; Elongation: 5–20 %; Hardness: Approx. 250–400 HB HB as reference data for Alloy A286. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.

Property Value Unit
Tensile Strength 900–1300 MPa
Yield Strength 600–1100 MPa
Elongation 5–20 %
Hardness Approx. 250–400 HB HB
MATERIAL DATA

Physical Properties

Density Approx. 7.8–8.1 g/cm³
Elastic Modulus Approx. 190–200 GPa
Thermal Conductivity Approx. 10–16 W/m·K
Specific Heat Approx. 450–520 J/kg·K
Melting Range Approx. 1350–1450°C
WHY SELECT THIS MATERIAL

Material Characteristics

Alloy A286 combines the characteristics of its stainless-steel family with grade-specific alloying and heat-treatment behavior suited to its intended service.

01

High Alloy Content

High nickel/chromium/molybdenum or strengthening additions provide enhanced service performance.

02

Localized Corrosion Resistance

Molybdenum and nitrogen additions improve resistance to pitting and crevice corrosion in many chloride environments.

03

Process Compatibility

Selected for chemical-processing, marine and high-temperature applications.

04

Condition Dependent Strength

Mechanical properties depend on product form, heat treatment and specification.

Alloy A286 Bolting Products

INDUSTRIAL USE

Typical Applications

Alloy A286 is selected for engineered components and bolting where the material characteristics of this grade match the service environment.

01

Chemical and process equipment

Alloy A286 is considered for chemical and process equipment when its grade-specific corrosion, strength and temperature characteristics meet the service requirement.

02

Marine and offshore hardware

Alloy A286 is considered for marine and offshore hardware when its grade-specific corrosion, strength and temperature characteristics meet the service requirement.

03

Heat exchangers and piping

Alloy A286 is considered for heat exchangers and piping when its grade-specific corrosion, strength and temperature characteristics meet the service requirement.

04

High-performance bolting

Alloy A286 is considered for high-performance bolting when its grade-specific corrosion, strength and temperature characteristics meet the service requirement.

ENGINEERING GUIDE

Engineering Considerations

Material Selection

Match the alloy to the exact corrosive chemistry and temperature.

Formability

Use welded-condition corrosion data where applicable.

Mechanical Requirements

For bolting, check galling, preload retention and thermal-expansion compatibility.

COMMON QUESTIONS

Frequently Asked Questions

What is the Werkstoff number for Alloy A286?

The commonly listed Werkstoff / EN cross-reference for Alloy A286 is 1.4980. 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.

ENGINEERING SUPPORT

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