Inconel 686 Round Bar Supplier India – Alloy 686, UNS N06686 & 2.4606

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Table of Contents

  1. What Is Inconel 686 Round Bar?
  2. Inconel 686 International Designations
  3. Inconel 686 Chemical Composition
  4. Key Properties of Inconel 686
  5. Inconel 686 Corrosion Resistance
  6. Inconel 686 Round Bar Applications
  7. Inconel 686 Specifications and Standards
  8. How to Buy Inconel 686 Round Bar
  9. Why Source Inconel 686 from Manan Steel & Metals?
  10. Frequently Asked Questions
  11. Request a Quotation

What Is Inconel 686 Round Bar?

Inconel 686 Round Bar is a nickel-chromium-molybdenum-tungsten alloy designed for severe corrosive environments.

The material is commercially known as INCONEL Alloy 686 and is identified internationally as:

Alloy 686 / UNS N06686 / W.Nr. 2.4606

Special Metals identifies INCONEL Alloy 686 as a single-phase nickel-chromium-molybdenum-tungsten alloy with strong resistance to severe corrosion environments.

For procurement, buyers may therefore specify:

Inconel 686 Round Bar – Alloy 686 – UNS N06686 – W.Nr. 2.4606

Manan Steel & Metals explicitly lists Inconel 686 among its Inconel round-bar grades.

This makes Inconel 686 a relevant specialty-alloy option for industrial buyers searching for corrosion-resistant nickel alloy round bars in India.

Inconel 686 International Designations

The same specialty alloy can be searched under different identifiers depending on the country, engineering standard or purchasing system.

DesignationInconel 686
Commercial NameINCONEL Alloy 686
Alloy NameAlloy 686
UNSN06686
Werkstoff Number2.4606
EN/DINNiCr21Mo16W
Material FamilyNickel-Chromium-Molybdenum-Tungsten Alloy
ASTM FormsB574 and other applicable product standards
ASMEApplicable SB specifications

Special Metals lists INCONEL Alloy 686 as UNS N06686 / W.Nr. 2.4606.

Using the UNS number in an enquiry is particularly useful when sourcing internationally.

For example:

Inconel 686 Round Bar – UNS N06686 – W.Nr. 2.4606

is much more precise than simply asking for “686 bar.”

Inconel 686 Chemical Composition

Inconel 686 is a nickel-based alloy containing substantial chromium, molybdenum and tungsten.

These alloying elements work together to provide resistance in aggressive environments.

Representative composition requirements include:

ElementApproximate Requirement
NickelBalance
Chromium19–23%
Molybdenum15–17%
Tungsten3–4.4%
Titanium0.02–0.25%
Iron1.0% max
Carbon0.01% max
Manganese0.75% max
Silicon0.08% max
Phosphorus0.04% max

The composition figures above are reported in an Inconel 686 technical datasheet and should be checked against the applicable current material specification for a purchase.

The high chromium, molybdenum and tungsten content is particularly relevant to the alloy’s resistance to general and localized corrosion.

Key Properties of Inconel 686

Inconel 686 Round Bar is considered for applications where severe corrosion resistance is required.

Important characteristics include:

  • High resistance to general corrosion
  • Strong resistance to pitting
  • Strong resistance to crevice corrosion
  • Resistance in reducing environments
  • Resistance in oxidizing environments
  • High nickel content
  • Good corrosion resistance in aggressive acids
  • Low carbon content
  • Useful resistance in marine environments
  • Good suitability for demanding chemical-processing applications

Special Metals describes Alloy 686 as offering corrosion resistance in severe environments, with chromium supporting resistance in oxidizing media and molybdenum and tungsten contributing to localized-corrosion resistance.

Inconel 686 Corrosion Resistance

Corrosion resistance is one of the main reasons engineers specify Inconel 686.

Industrial equipment may be exposed to combinations of:

  • Acids
  • Chlorides
  • Seawater
  • Wet-process chemicals
  • Oxidizing environments
  • Reducing environments
  • High-temperature corrosive media

The alloy’s chemistry is designed to provide resistance across a broad range of aggressive conditions.

Chromium contributes to resistance in oxidizing environments, while molybdenum and tungsten contribute to resistance against localized corrosion such as pitting and crevice attack.

This makes Inconel 686 relevant to applications where corrosion control is an important part of equipment reliability.

However, actual material selection should always consider the precise:

  • Chemical concentration
  • Operating temperature
  • Pressure
  • Flow conditions
  • Chloride level
  • Contaminants
  • Exposure duration

No alloy should be selected solely from a general corrosion-resistance statement.

Why Is Inconel 686 Used for Severe Corrosion?

The alloy combines several important elements:

Nickel + Chromium + Molybdenum + Tungsten

Each contributes to the overall performance of the material.

Nickel

Nickel forms the primary matrix of the alloy and supports corrosion resistance in a variety of environments.

Chromium

Chromium contributes to resistance in oxidizing environments.

Molybdenum

Molybdenum is particularly important for resistance to localized corrosion and reducing conditions.

Tungsten

Tungsten contributes to resistance against localized corrosion in demanding environments.

The combined chemistry gives Alloy 686 its characteristic corrosion-resistant performance.

Inconel 686 Round Bar Applications

Round bar is a useful product form when the final component needs to be machined.

Potential applications include:

Chemical Processing

Inconel 686 can be considered for components exposed to aggressive chemical-processing environments.

Possible components include:

  • Shafts
  • Pumps
  • Valves
  • Fasteners
  • Reactor components
  • Machined parts
  • Process-equipment components

Petrochemical Processing

Petrochemical equipment can encounter combinations of high temperature, aggressive chemicals and corrosive process streams.

Specialty nickel alloys can be considered for selected components where corrosion resistance is important.

Marine Engineering

Marine and offshore environments can expose equipment to chloride-containing conditions.

Inconel 686 is used in applications where resistance to aggressive marine corrosion is required. Technical data for the alloy identifies marine engineering among potential applications.

Acid Processing

Aggressive acids can create severe corrosion challenges for conventional materials.

Alloy 686 can be considered for selected acid-processing components where its corrosion resistance matches the service environment.

Oil & Gas

Selected oil-and-gas equipment can encounter corrosive production fluids and demanding operating environments.

Alloy 686 is associated with corrosion-resistant applications in oil and gas extraction.

Pollution Control

Pollution-control equipment may handle corrosive gases, liquids and chemical streams.

Nickel-based alloys can be considered for components requiring resistance to these conditions.

Pulp and Paper

Certain pulp and paper process environments involve aggressive chemical exposure.

Inconel 686 can be considered for selected components requiring enhanced corrosion resistance.

Inconel 686 Specifications and Standards

For a professional procurement enquiry, the material specification should be stated together with the alloy designation.

Inconel 686 is associated with several ASTM product specifications depending on the required product form.

For rod and bar applications, ASTM B574 is an important specification associated with UNS N06686. Technical references also identify B574 among the applicable specifications for Alloy 686.

A purchase enquiry can therefore state:

Inconel 686 Round Bar – UNS N06686 – ASTM B574

Then provide the required:

  • Diameter
  • Length
  • Quantity
  • Condition
  • Surface finish
  • Testing
  • Inspection
  • Certification

The exact standard and current revision should be confirmed before purchase because specifications can change and applicability depends on product form.

For authoritative standards information, buyers can refer to ASTM International.

Inconel 686 Mechanical and Physical Properties

The mechanical properties of Inconel 686 depend on product form and material condition.

For example, published data for a rod condition reports typical tensile strength of about 810 MPa, yield strength of about 359 MPa and elongation of about 56% for the referenced rod sample.

The same source reports a density of approximately 8.73 g/cm³.

These figures should be treated as representative data for the referenced condition, not as universal guaranteed values for every Inconel 686 round bar.

For procurement, the required mechanical properties should be specified according to the applicable product standard and condition.

How to Buy Inconel 686 Round Bar

If you are searching for an Inconel 686 Round Bar Supplier India, give the supplier a complete technical requirement.

Recommended Enquiry Format

Material: Inconel 686
Commercial Designation: Alloy 686
UNS: N06686
Werkstoff: 2.4606
Product: Round Bar
Standard: ASTM B574 / applicable ASME specification
Diameter: ______ mm
Length: ______ mm
Quantity: ______ kg / Nos.
Condition: ______
Finish: ______
Testing: ______
Certificate: ______
Application: ______

For demanding applications, also mention:

  • Operating temperature
  • Chemical environment
  • Pressure
  • Application
  • Required testing
  • Inspection requirements

A complete enquiry allows the supplier to evaluate the requirement more accurately.

Why Source Inconel 686 from Manan Steel & Metals?

Manan Steel & Metals explicitly lists Inconel 686 among its Inconel round-bar grades. Its current round-bar page also lists other specialty Inconel materials, including 600, 601, 625, 625LCF, 718, 800, 825, X-750, 690, 602, 617 and 925.

Useful Manan Steel & Metals pages include:

When requesting a quotation, include:

Material + UNS + Standard + Diameter + Length + Quantity

This gives the supplier the core information needed to process a technical enquiry.

Frequently Asked Questions

What is Inconel 686?

Inconel 686 is a nickel-chromium-molybdenum-tungsten alloy designed for demanding corrosion-resistant applications.

What is the UNS number of Inconel 686?

The UNS designation of Inconel 686 is N06686. Special Metals identifies Alloy 686 as UNS N06686.

What is the Werkstoff number of Inconel 686?

The Werkstoff number is 2.4606.

What is Inconel 686 Round Bar used for?

Applications include selected chemical-processing, petrochemical, marine, acid-processing, oil-and-gas, pollution-control and pulp-and-paper components.

Is Inconel 686 corrosion resistant?

Yes. Alloy 686 is specifically designed for demanding corrosion-resistant applications and offers resistance to general, pitting and crevice corrosion.

What is the chemical composition of Inconel 686?

It is primarily nickel, with significant chromium, molybdenum and tungsten additions. Published specifications include approximately 19–23% chromium, 15–17% molybdenum and 3–4.4% tungsten.

What ASTM standard is used for Inconel 686 Round Bar?

ASTM B574 is an important specification associated with Alloy 686 rod and bar. The exact specification should be confirmed against the required product form and current standard revision.

What information should I provide when buying Inconel 686 Round Bar?

Provide the material designation, UNS number, specification, diameter, length, quantity, condition, finish, testing requirements and intended application.

Does Manan Steel & Metals list Inconel 686?

Yes. Inconel 686 is explicitly listed in Manan Steel & Metals’ current Inconel round-bar range.

Request an Inconel 686 Round Bar Quotation

Looking for an Inconel 686 Round Bar Supplier in India?

Send your material requirement to Manan Steel & Metals with the required dimensions, quantity and specification.

Manan Steel & Metals
Shop No. 2, Hira Building,
97 Khetwadi Main Road (Nanubhai Desai Road),
Girgaon, Mumbai – 400004, Maharashtra, India

Phone: 7977369869
Email: manansteel@gmail.com
Website: https://www.manansteel.com/

For technical reference, buyers can consult Special Metals’ INCONEL technical bulletins and ASTM International.

Conclusion

Inconel 686 Round Bar is a specialized nickel alloy identified as Alloy 686, UNS N06686 and W.Nr. 2.4606.

Its nickel-chromium-molybdenum-tungsten chemistry provides a combination of corrosion resistance and performance suited to demanding industrial environments.

For procurement, specify the complete material designation together with the applicable standard, dimensions, condition and quantity.

If you are sourcing Inconel 686 Round Bar in India, contact Manan Steel & Metals with your technical requirement for a quotation.