Hastelloy B2 Round Bar Supplier India – Alloy B-2, UNS N10665 & 2.4617
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UNS N10665 Round Bar
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Meta Description: Looking for a Hastelloy B2 Round Bar Supplier India? Explore Alloy B-2, UNS N10665, W.Nr. 2.4617, ASTM B574, properties, applications and sourcing.
Table of Contents
- What Is Hastelloy B2 Round Bar?
- Hastelloy B2 International Designations
- Hastelloy B2 Chemical Composition
- Key Properties of Hastelloy B2
- Corrosion Resistance of Hastelloy B2
- Hastelloy B2 Round Bar Applications
- ASTM B574 Specification
- Hastelloy B2 Machining and Fabrication
- How to Buy Hastelloy B2 Round Bar
- Why Source Hastelloy B2 from Manan Steel & Metals?
- Frequently Asked Questions
- Request a Quotation
What Is Hastelloy B2 Round Bar?
Hastelloy B2 Round Bar is a nickel-molybdenum alloy developed for demanding reducing environments where resistance to aggressive acids is an important material-selection consideration.
The alloy is commercially known as HASTELLOY B-2 or Alloy B-2 and is internationally identified as:
UNS N10665 / W.Nr. 2.4617
For procurement, buyers may therefore search or specify:
Hastelloy B2 Round Bar / Alloy B-2 Round Bar / UNS N10665 / W.Nr. 2.4617 / ASTM B574
Haynes International identifies HASTELLOY B-2 as UNS N10665 and lists DIN 17744 No. 2.4617 NiMo28. Its product specifications include B574/SB574 for billet, rod and bar. (haynesintl.com)
Manan Steel & Metals lists Hastelloy B within its Hastelloy product range, making this material relevant for specialty-alloy procurement enquiries. (manansteel.com)
Hastelloy B2 International Designations
Specialty alloys are frequently searched under different names depending on the country, engineering standard or purchasing system.
| Designation | Hastelloy B2 |
|---|---|
| Commercial Name | HASTELLOY B-2 |
| Alloy Name | Alloy B-2 |
| UNS | N10665 |
| Werkstoff Number | 2.4617 |
| DIN | NiMo28 |
| ASTM Bar/Rod | B574 |
| ASME | SB574 |
| Material Family | Nickel-Molybdenum Alloy |
Using the UNS number is particularly useful when preparing an international purchase enquiry.
A clear description would be:
Hastelloy B2 Round Bar – UNS N10665 – ASTM B574
rather than simply:
B2 Round Bar
The complete designation reduces the possibility of material-identification confusion.
Hastelloy B2 Chemical Composition
Hastelloy B2 is a nickel-molybdenum alloy with a high molybdenum content and controlled levels of other elements.
Its composition is designed to provide strong resistance in specific reducing chemical environments.
| Element | General Characteristic |
|---|---|
| Nickel | Balance |
| Molybdenum | High |
| Iron | Controlled |
| Chromium | Controlled |
| Carbon | Low |
| Silicon | Controlled |
| Manganese | Controlled |
| Cobalt | Controlled |
The exact chemical requirements depend on the applicable product specification.
For procurement, the Material Test Certificate should be checked against the applicable ASTM/ASME specification rather than relying solely on generic composition tables.
ASTM B574 covers low-carbon nickel-chromium-molybdenum and related nickel alloys in rod and bar form and includes UNS N10665. (store.astm.org)
Key Properties of Hastelloy B2
Hastelloy B2 Round Bar is selected for applications where resistance to aggressive reducing chemical environments is important.
Important characteristics include:
- High resistance to reducing environments
- Strong resistance to hydrochloric acid
- Resistance to sulfuric acid under suitable conditions
- Good resistance to pitting in appropriate environments
- Good resistance to stress-corrosion cracking
- Low carbon content
- Good welding characteristics
- Useful ductility
- Suitable for fabrication into engineered components
Haynes International describes HASTELLOY B-2 as having excellent resistance to hydrochloric acid and good resistance to other reducing chemical environments. It also identifies resistance to stress-corrosion cracking and good weldability. (haynesintl.com)
Corrosion Resistance of Hastelloy B2
Corrosion resistance is the central reason engineers consider Hastelloy B2.
The alloy is particularly associated with reducing chemical environments.
This distinction is important.
A specialty alloy should not be selected simply because it belongs to the Hastelloy family. Different Hastelloy grades are designed for different combinations of chemical exposure and temperature.
B2’s high molybdenum content contributes to its performance in strongly reducing environments.
Potential process conditions may involve:
- Hydrochloric acid
- Sulfuric acid
- Other reducing acids
- Chemical-processing solutions
- Aggressive process chemicals
However, actual corrosion performance depends on concentration, temperature, contaminants, aeration and other operating conditions.
For a critical application, the material should therefore be evaluated against the actual process chemistry.
Hastelloy B2 Round Bar Applications
Round bar is commonly selected when the final component will be machined into a specific geometry.
Potential industrial applications include:
Chemical Processing
Hastelloy B2 can be considered for selected chemical-processing components exposed to reducing acids.
Applications can include:
- Reactor components
- Pump components
- Shafts
- Valves
- Fasteners
- Machined parts
- Process equipment components
Acid-Handling Equipment
Where hydrochloric acid or other reducing chemical environments are involved, B2 can be considered as part of the material-selection process.
Petrochemical Processing
Some petrochemical operations contain aggressive chemical streams requiring specialty corrosion-resistant alloys.
Chemical Pumps and Valves
Round bar can be machined into shafts, stems and other components used in chemical-handling equipment.
Industrial Fabrication
The combination of corrosion resistance and fabrication characteristics makes B2 relevant for selected engineered components.
The correct grade and product condition should always be determined from the actual service requirements.
ASTM B574 Specification for Hastelloy B2
For procurement, the applicable product specification should be stated clearly.
ASTM B574 covers nickel alloy rod and bar products and includes UNS N10665 within its scope. (store.astm.org)
Haynes International also lists B574/SB574 among the specifications applicable to HASTELLOY B-2 billet, rod and bar. (haynesintl.com)
A professional purchase enquiry can therefore specify:
Hastelloy B2 Round Bar – Alloy B-2 – UNS N10665 – ASTM B574
Then add:
- Diameter
- Length
- Quantity
- Condition
- Surface finish
- Testing requirements
- Inspection requirements
- Certification requirements
This gives the supplier the information required to evaluate the order accurately.
Hastelloy B2 Machining and Fabrication
Round bar is often purchased because it provides a practical starting form for manufacturing machined components.
Depending on the component, the bar can be processed into:
- Shafts
- Pins
- Bushes
- Valve components
- Pump components
- Fasteners
- Custom-machined parts
Nickel alloys require appropriate machining practices because their mechanical and work-hardening characteristics can make machining more demanding than conventional steels.
Machining parameters should therefore be established according to the material condition, tooling and component geometry.
For welding and fabrication, the applicable manufacturer and specification guidance should be followed.
Haynes identifies HASTELLOY B-2 as having good welding characteristics when appropriate procedures are used. (haynesintl.com)
How to Buy Hastelloy B2 Round Bar
If you are searching for a Hastelloy B2 Round Bar Supplier India, provide more than just the alloy name.
A useful purchase enquiry should include:
Material: Hastelloy B2
Commercial Designation: Alloy B-2
UNS: N10665
Werkstoff: 2.4617
Product: Round Bar
Standard: ASTM B574 / ASME SB574
Diameter: ______ mm
Length: ______ mm
Quantity: ______ kg / Nos.
Condition: ______
Finish: ______
Testing: ______
Certificate: ______
Application: ______
For critical applications, mention the chemical environment and operating temperature.
This allows the supplier to understand whether the requested material and specification are appropriate for the intended service.
Why Source Hastelloy B2 from Manan Steel & Metals?
Manan Steel & Metals supplies specialty metals and lists Hastelloy B within its Hastelloy range. Its round-bar product information also lists multiple specialty Hastelloy grades for industrial procurement. (manansteel.com)
Relevant Manan Steel pages include:
- Hastelloy Round Bar Manufacturer in India
- Round Bar Manufacturer & Supplier
- Manan Steel & Metals Official Website
For a quotation, send your:
Material + UNS designation + diameter + length + quantity + specification
This makes the enquiry easier to evaluate and quote.
Frequently Asked Questions
What is Hastelloy B2?
Hastelloy B2 is a nickel-molybdenum corrosion-resistant alloy developed for demanding reducing chemical environments.
What is the UNS number of Hastelloy B2?
The UNS designation is N10665. Haynes International identifies HASTELLOY B-2 as N10665. (haynesintl.com)
What is the Werkstoff number of Hastelloy B2?
Hastelloy B2 is commonly identified as W.Nr. 2.4617, with DIN designation NiMo28. (haynesintl.com)
What ASTM specification covers Hastelloy B2 Round Bar?
ASTM B574 includes UNS N10665 among the nickel alloys covered for rod and bar products. (store.astm.org)
What is Hastelloy B2 used for?
Hastelloy B2 can be considered for chemical-processing equipment and engineered components exposed to demanding reducing chemical environments.
Is Hastelloy B2 suitable for hydrochloric acid?
HASTELLOY B-2 is specifically known for strong resistance to hydrochloric acid under appropriate conditions. Actual suitability depends on concentration, temperature and other process variables. (haynesintl.com)
What information should I provide when buying Hastelloy B2 Round Bar?
Provide the material designation, UNS number, ASTM/ASME standard, diameter, length, quantity, condition, finish, testing requirements and intended application.
Does Manan Steel & Metals list Hastelloy B?
Yes. Manan Steel & Metals’ round-bar product information lists Hastelloy B among its Hastelloy materials. (manansteel.com)
Request a Hastelloy B2 Round Bar Quotation
Looking for a Hastelloy B2 Round Bar Supplier in India?
Send your requirement to Manan Steel & Metals with the material designation, dimensions, quantity and required 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 Haynes International’s HASTELLOY B-2 information and the ASTM B574 specification.
Conclusion
Hastelloy B2 Round Bar is a nickel-molybdenum alloy associated with demanding reducing chemical environments and is internationally identified as Alloy B-2, UNS N10665 and W.Nr. 2.4617.
For procurement, using the complete designation together with ASTM B574, required dimensions, condition and quantity creates a much clearer technical enquiry.
If you are sourcing Hastelloy B2 Round Bar in India, contact Manan Steel & Metals with your requirement for a quotation.