AUSTENITIC STAINLESS STEEL

Nitronic 50

Nitronic 50 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.

Nitronic 50
MATERIAL INTRODUCTION

Nitronic 50

The reference chemistry table for Nitronic 50 lists Chromium (Cr): Corrosion-resistant alloying element; Nickel (Ni): Austenite stabilizer; Nitrogen (N): Strengthening addition; Manganese / silicon (Mn / Si): Grade-dependent additions. Confirm exact limits and analysis tolerances against the governing standard and product form.

The mechanical-property table for Nitronic 50 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 Nitronic 50: 1.3964. 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 Nitronic 50.

Material Nitronic 50
UNS Number S20910
Werkstoff Number 1.3964
Material Type Nitrogen-strengthened austenitic stainless steel
MATERIAL PROPERTIES

Chemical Composition

The reference chemistry table lists Chromium (Cr): Corrosion-resistant alloying element; Nickel (Ni): Austenite stabilizer; Nitrogen (N): Strengthening addition; Manganese / silicon (Mn / Si): Grade-dependent additions. Confirm the governing standard, product analysis tolerances and product form before ordering.

Element / feature Symbol Grade information
Chromium Cr Corrosion-resistant alloying element
Nickel Ni Austenite stabilizer
Nitrogen N Strengthening addition
Manganese / silicon Mn / Si Grade-dependent additions
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 Nitronic 50. 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

Nitronic 50 is a nitrogen-strengthened austenitic stainless steel known for high strength, good corrosion resistance and strong performance in demanding wear and marine environments. Key performance features vary by grade and condition.

01

High strength

Nitronic 50 is selected when high strength is important in service.

02

Good corrosion resistance

The grade provides good corrosion resistance, subject to product form and specification.

03

Excellent galling resistance

This characteristic supports use of Nitronic 50 in appropriate industrial environments.

04

Suitable for marine service

Performance depends on the certified material condition and governing specification.

Nitronic 50 Bolting Products

INDUSTRIAL USE

Typical Applications

Nitronic 50 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 marine and offshore components. Confirm suitability against the project specification, temperature, media and product condition.

02

Process & Chemical Service

Typical applications include valve and pump components. Confirm suitability against the project specification, temperature, media and product condition.

03

Bolting & Fasteners

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

04

High-Temperature / Special Service

Typical applications include wear-resistant components. 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 Nitronic 50.

Formability

Corrosion Resistance: Nitronic 50 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 Nitronic 50?

The commonly listed Werkstoff / EN cross-reference for Nitronic 50 is 1.3964. 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 Nitronic 50 used?

Typical applications include marine and offshore components, valve and pump components, fasteners and bolting. Suitability depends on service environment and product condition.

Are the mechanical properties of Nitronic 50 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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