Hastelloy B2 Round Bars

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Hastelloy B2 Round Bars Specification

Processing
Annealed

Length
1 m to 6 m (custom cut lengths available)

Material
Hastelloy B2

Application
Chemical Processing, Petrochemicals, Power Generation, Heat Exchangers

Grade
B2

Type
Round Bar

Tolerance
h8, h9, h10 or as per requirement

Specific Use
Corrosion-resistant Components, High Temperature Applications

Diameter
3 mm to 350 mm

Standard
ASTM B335, ASME SB335

Technique
Hot Rolled / Cold Drawn

Finish
Bright, Black, Polish

Machinability
Good with proper tool selection

Corrosion Resistance
Excellent resistance to hydrochloric acid at various temperatures and concentrations

Tensile Strength
up to 750 MPa

Elongation
40% min

Surface Condition
Peeled, Polished, Ground

Yield Strength
up to 350 MPa

Hardness
Rockwell B90 max

Melting Point
1370C - 1418C

Density
9.24 g/cm

About Hastelloy B2 Round Bars

What Are Specification Hastelloy B2 Round Bars?

Specifications	ASTM B 574 / ASME SB 574
Range	3.17mm to 350mm diameter
Dia Meter	25mm to 152mm
Length	1 to 6 Meters, Custom Cut Lengths
Finish	Bright, Polish & Black
Form	Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging etc
Condition	Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

Equivalent material Of Hastelloy B2 Round Bars?

STANDARD	WERKSTOFF NR.	UNS
Hastelloy B2	2.4675	N06200

Chemical Composition Of Hastelloy B2 Round Bars?

UNS	Ni	Cr	Mo	W	Cu	Fe	Carbon
B2	Bal	22.00-24.00	15.00-17.00		1.30-1.90	3.00 max.	0.010max.

Mechanical Properties Of Hastelloy B2 Round Bars?

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Hastelloy B2	8.89 g/cm3	1065 C (1950 F)	752 MPa (109.0 ksi)	358 MPa (52.0 ksi)	64 %

Superior Corrosion Resistance

Thanks to its unique nickel-molybdenum composition, Hastelloy B2 Round Bar excels in environments laden with hydrochloric acid, safeguarding industrial equipment from diverse forms of corrosion. Its excellent resistance also extends to a variety of aggressive chemicals, making it particularly valuable for chemical processing and petrochemical plants.

High-Temperature Performance

With a melting point range of 1370C to 1418C, Hastelloy B2 Round Bars maintain remarkable mechanical stability in elevated temperature applications. This performance, paired with good machinability and tailored tolerances, ensures consistent results in power generation, heat exchangers, and other high-heat settings.

Customizable Dimensions and Finish

Manufacturers, suppliers, and exporters in India offer Hastelloy B2 Round Bars in multiple sizes and finishes, accommodating diverse industrial requirements. Surface conditions include peeled, polished, and ground, with h8, h9, or h10 tolerances available. Custom cut lengths also ensure each projects specifications are met precisely.

FAQs of Hastelloy B2 Round Bars:

Q: How is the corrosion resistance of Hastelloy B2 Round Bars advantageous in chemical industries?

A: Hastelloy B2 Round Bars provide exceptional resistance to hydrochloric acid and other aggressive chemicals, significantly reducing the risk of material degradation. This makes them highly effective for use in chemical processing plants, where consistent integrity and longevity are crucial.

Q: What processes are used to manufacture Hastelloy B2 Round Bars?

A: The bars are typically produced through hot rolling or cold drawing, followed by annealing to enhance ductility and machinability. Finishing processes such as peeling, polishing, and grinding ensure the desired surface condition and tight tolerances per project specifications.

Q: Where can Hastelloy B2 Round Bars be most effectively used?

A: These round bars are ideal for sectors such as chemical processing, petrochemicals, power generation, and heat exchangers, particularly in environments that demand high corrosion and temperature resistance.

Q: When should I choose Hastelloy B2 over other grades for my application?

A: Hastelloy B2 should be selected when applications involve exposure to highly corrosive substances, especially hydrochloric acid, and where high mechanical properties are required at both ambient and elevated temperatures.

Q: What are the size and tolerance options for these round bars?

A: Hastelloy B2 Round Bars are available in diameters from 3 mm to 350 mm and lengths from 1 m to 6 m, with custom cuts available. Tolerances such as h8, h9, or h10 can be provided based on specific requirements.

Q: How does proper tool selection affect the machinability of Hastelloy B2 Round Bars?

A: Using appropriate cutting tools and machining parameters is essential for efficient processing due to the alloys strength and work-hardening characteristics. Proper tool selection ensures smooth machining and reduces tool wear.

Q: What are the primary benefits of using Hastelloy B2 Round Bars in high-temperature facilities?

A: Their superior stability at temperatures up to their melting point (1418C), along with excellent corrosion resistance and good mechanical properties, makes these bars reliable for critical components in high-temperature and aggressive environments.

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