Hastelloy B-2 Round Bar

Hastelloy B-2 round bar to ASTM B335 for pump shafts, valve trim and column internals in reducing-acid service.

Grade: Hastelloy B-2 UNS N10665 Werkstoff Nr. 2.4617 / NiMo28
One Scope Table, One Grade

ASTM B335 carries five nickel-molybdenum grades, and every heat of this Hastelloy B-2 round bar reads N10665.

Metallurgy Held to the Window

Moreover, molybdenum at 26.0–30.0% with chromium below 1% keeps this Hastelloy B-2 round bar identical in analysis to the grade already installed.

Spares Without a Grade Review

Furthermore, a one-to-one replacement in this Hastelloy B-2 round bar needs no re-rating of the vessel or the piping it serves.

PRODUCT OVERVIEW

About Hastelloy B-2 Round Bar

Hastelloy B-2 round bar arrives in UNS N10665, the nickel-molybdenum grade that holds hydrochloric acid at every concentration up to boiling. Replacement internals, column trays and non-welded machined parts make up most of the orders we ship for this round bar.

Round bar of this grade runs to ASTM B335 in a pickled band below 19.05 mm and a ground or turned band above it. Each consignment of this Hastelloy B-2 round bar leaves with heat-number records, a solution-anneal record and EN 10204 3.1 paperwork for goods-in checks. Besides, we settle the anneal cycle and the finish for this round bar before a heat leaves the furnace.

Meanwhile, the Hastelloy B-2 material page holds the chemistry and the mid-temperature limits behind this Hastelloy B-2 round bar for cross-reference.

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Hastelloy B-2 Round Bar
PRODUCT FEATURES

Key Features of Hastelloy B-2 Round Bar

Hastelloy B-2 round bar arrives in UNS N10665, the nickel-molybdenum grade whose molybdenum sits at 26.0–30.0% while chromium stops at 1%, so hydrochloric acid at any concentration meets a surface it cannot oxidise. We supply ASTM B335 round bar in the pickled band and the ground or turned band that ASTM B335 sets by diameter for hydrogen chloride synthesis, steel pickling lines and acid regeneration hardware. Every Hastelloy B-2 round bar consignment travels with heat-number traceability, EN 10204 3.1 mill test reports and full export documentation.

Hastelloy B-2 Round Bar
Hastelloy B-2

Hydrochloric Acid Coverage

For example, molybdenum at 26.0–30.0% lets this Hastelloy B-2 round bar serve acid at every concentration up to boiling.

01

One-to-One Replacement

Specifically, a spare in this Hastelloy B-2 round bar matches the metallurgy of the grade already installed in your plant.

02

Oxidant-Free Duty Only

Therefore, nitric acid, ferric ion and hypochlorite rule this Hastelloy B-2 round bar out, so those lines need a chromium-bearing alloy.

03

Cold Work Sets Strength

In addition, no aging treatment exists for this Hastelloy B-2 round bar, so proof stress above the annealed floor comes from drawing alone.

04

Quench-Controlled Anneal

Besides, we hold this Hastelloy B-2 round bar between 1065 and 1095 °C and water quench it, because Ni4Mo forms between 540 and 815 °C.

05

Non-Magnetic in Service

Consequently, instrument assemblies sit comfortably with this Hastelloy B-2 round bar because the annealed matrix stays non-magnetic.

06

No Aerospace Route to Check

Finally, no aerospace specification reaches this grade, so this Hastelloy B-2 round bar goes out against the ASTM document alone.

07
WHY CHOOSE US

Why Choose Hastelloy B-2

Legacy drawings fix most of the specification before a Hastelloy B-2 round bar order starts. Besides, we match the anneal, the finish and the certification to the sheet already on your shelf.

01

Duty Read Before Pricing

We record the medium, its concentration and its temperature for your Hastelloy B-2 round bar before proposing a delivery state.

02

Certificates Tied to the Heat

Specifically, EN 10204 3.1 papers, heat numbers and dimensional records follow each Hastelloy B-2 round bar consignment.

03

Drawings Welcome

In addition, this Hastelloy B-2 round bar flows through one route whether you order against a legacy drawing or a fresh specification.

04

Terms Stated in Writing

Quotations for this Hastelloy B-2 round bar name the medium, section, finish and document set rather than leaving them open.

MANUFACTURING PROCESS

Reliable Production For Critical Applications

Bar production for Hastelloy B-2 round bar runs from charge weighing to final packing. Our team logs each stage of this Hastelloy B-2 round bar route against its heat number.

01

Charge Weighing

We weigh electrolytic nickel and molybdenum so this Hastelloy B-2 round bar melts inside the B335 window.

02

Melting and Refining

First, the charge for this Hastelloy B-2 round bar melts and refines under AOD practice that holds carbon low.

03

Hot Reduction

Next, forging and rolling reduce the ingot to this Hastelloy B-2 round bar section.

04

Solution Annealing

Then, we hold this Hastelloy B-2 round bar between 1065 and 1095 °C and quench it in water.

05

Pickling and Descale

After that, acid pickling leaves this Hastelloy B-2 round bar scale-free for fabrication.

06

Cold Finishing

We then draw, turn or grind this Hastelloy B-2 round bar to the ordered size and finish.

07

Straightening

Subsequently, straightening brings this Hastelloy B-2 round bar inside the ordered runout band.

08

Testing and Release

Finally, chemistry, dimensional and surface checks clear this Hastelloy B-2 round bar for dispatch.

Manufacturing Facility
Manufacturing Facility
MANUFACTURING CAPABILITY

Advanced Production For Nickel Alloy Products

Holdings and made-to-order lots of Hastelloy B-2 round bar leave on a single schedule. Moreover, this Hastelloy B-2 round bar belongs to our bar and rod program.

20,000+ m²

Factory Area

Hot working, annealing, drawing and pickling lines for Hastelloy B-2 round bar share one site.

50+

Production Machines

Units covering hot working, annealing, drawing and pickling for this Hastelloy B-2 round bar.

600 Tons

Monthly Capacity

Hastelloy B-2 round bar output across stock and bespoke lots.

30+

Technical Engineers

Metallurgists who set the anneal plan and the delivery state of this Hastelloy B-2 round bar against your duty.

30+ Countries

Export Reach

In addition, sealed export packing carries this Hastelloy B-2 round bar to buyers on five continents.

QUALITY ASSURANCE

Strict Quality Control From Production To Delivery

No Hastelloy B-2 round bar leaves the yard before its heat has cleared our ISO 9001 inspection route. In addition, we check this Hastelloy B-2 round bar against the chemistry, dimensions and surface the order names.

01

Heat Identification

We confirm the grade and heat number of this Hastelloy B-2 round bar against your purchase order.

02

Chemistry Verification

Specifically, molybdenum, chromium and carbon in this Hastelloy B-2 round bar go against the B335 table for your lot.

03

Dimensional Verification

In addition, the diameter, length and runout of this Hastelloy B-2 round bar go against the ordered tolerance class.

04

Certificate Assembly

Every consignment of this Hastelloy B-2 round bar ships with EN 10204 3.1 papers keyed to its heat.

PRODUCT FORMS

Available Product Forms

The variants we quote for Hastelloy B-2 round bar follow the drawing, the delivery state and the finish you name. In addition, the table below sets out the Hastelloy B-2 round bar conditions that come up most often.

01

Hastelloy B-2 Pickled Round Bar

Acid-descaded rounds inside the 7.94–19.05 mm band, the surface B335 names for that size.

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02

Hastelloy B-2 Ground Round Bar

Ground rounds through the 19.05–88.9 mm band, where the standard asks for a ground skin.

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03

Hastelloy B-2 Turned Round Bar

Turned rounds for shops that keep the finishing cut on their own machines.

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04

Hastelloy B-2 Cold-Drawn Round Bar

Drawn rounds carrying proof stress above the annealed floor for shaft work.

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05

Hastelloy B-2 Forged Round Bar

Heavy rounds past the rod ceiling, supplied against the forging document.

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06

Hastelloy B-2 Custom Round Bar

Diameters, lengths and delivery states produced against your drawing.

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APPLICATIONS

Engineered For Demanding Industries

Hastelloy B-2 round bar suits duty where an installed plant already runs the grade and a replacement part has to match it. In addition, the list below shows where this Hastelloy B-2 round bar serves.

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01

Hastelloy B-2 Pump Shaft Stock

Shaft stock for pumps already moving hydrochloric acid inside a working plant.

02

Hastelloy B-2 Valve Stem Stock

Stem stock for valves whose trim is machined from bar at your own shop.

03

Hastelloy B-2 Orifice Plate Stock

Bar stock for restriction orifices in acid transfer and metering lines.

04

Hastelloy B-2 Thermowell Stock

Bar stock for protection tubes that sit inside an acid process stream.

05

Hastelloy B-2 Column Tray Support Stock

Bar stock for tray supports inside absorption and distillation columns.

06

Hastelloy B-2 Agitator Shaft Stock

Shaft stock for agitators turning in organic acid reactors.

07

Hastelloy B-2 Stripper Column Pump Shafts

Shaft stock for pumps serving stripping and acid recovery loops.

08

Hastelloy B-2 Exchanger Tie Rod Stock

Bar stock for tie rods and spacers inside acid-duty exchangers.

TECHNICAL INFORMATION

Technical Specifications

Detailed technical information including chemical composition, mechanical properties, standards and available dimensions.

Chemical Composition

Molybdenum runs 26.0–30.0% in this round bar under the B335 composition table, the highest molybdenum level any wrought nickel alloy carries. Besides, chromium stops at 1.0% maximum and iron at 2.0% maximum, so a reducing acid meets a surface with nothing it can oxidise.

For the element-by-element limits behind this round bar, open the composition breakdown held on the Hastelloy B-2 material page.

Mechanical Properties

Minimum room-temperature values below come from the rod table of ASTM B335 for UNS N10665. Consequently, the ordered state and the section size govern final acceptance of Hastelloy B-2 round bar.

Condition and Grade Tensile Strength, min. Yield Strength (0.2%), min. Elongation, min.
Solution Annealed — UNS N10665 ≥760 MPa (110 ksi) ≥350 MPa (51 ksi) 40%
  • ASTM B335 sets one solution-annealed state for rod at these minimums, and Table 2 of that standard runs to three columns with no hardness ceiling against N10665. Besides, the size clauses stop at 88.9 mm, so heavier sections of this grade are agreed against ASTM B564. Therefore, any hardness figure a mill prints for this grade is offered as information rather than as an acceptance requirement.

Physical Properties

Handbooks place the density of this round bar near 9.22 g/cm³ and its melting range between 1330 and 1380 °C. Moreover, the molybdenum-rich matrix leaves this round bar non-magnetic in the annealed condition, which suits instrument and switchgear work.

Meanwhile, the physical properties table on the Hastelloy B-2 material page carries the modulus, the expansion figure and the remaining design values behind this round bar.

Heat Treatment

No step matters more to this grade than the water-quenched anneal, because Ni4Mo precipitates between 540 and 815 °C and the corrosion resistance returns only with a rapid quench. In addition, we supply this Hastelloy B-2 round bar in whichever state your duty calls for.

Condition Typical Treatment
Solution Annealed Held at 1065–1095 °C, then water quenched, because Ni4Mo forms between 540 and 815 °C
Hot-Worked Delivered as-rolled or as-forged, with the anneal agreed where the order calls for it
Cold-Drawn Drawn after annealing, with the reduction recorded so the higher proof stress is documented
Stress-Relief Warning A relief pass inside the 540–815 °C band precipitates Ni4Mo, so residual-stress work needs a full anneal instead
Post-Weld Anneal Severe acid duty calls for a solution anneal at 1050–1100 °C and a water quench after welding

Standards

ASTM B335 is the principal rod document for this round bar, issued by ASTM International, and its scope table lists N10665 alongside four other nickel-molybdenum grades. Moreover, the size clauses of that standard stop at 88.9 mm, so heavier sections of this round bar move across to the forging document. Besides, DIN 17752 and ISO 9723 carry the German and international bar routes for this grade.

Standard Product or Application
ASTM B335 / ASME SB335 Nickel-molybdenum alloy rod, 7.94–88.9 mm, UNS N10665 in the scope table
DIN 17752 / ISO 9723 German and international bar documents
ASTM B564 / ASME SB564 Forged bar and heavier sections above the rod size ceiling

Finally, the full standards list that the Hastelloy B-2 material page holds adds the plate, tube and fitting documents, the Chinese designation and the remaining product standards behind this round bar.

Dimensions

Dimensions of Hastelloy B-2 round bar follow the route, the document and the order quantity. Therefore, typical supply ranges sit in the table below, so please confirm your sizes in the inquiry.

Product Form Typical Supply Length
Round Bar 7.94–88.9 mm dia. Cut to length or random
Pickled Round Bar 7.94–19.05 mm dia. Cut to length or random
Ground Round Bar 19.05–88.9 mm dia. Cut to length
Turned Round Bar 19.05–88.9 mm dia. Cut to length
Cold-Drawn Round Bar 8–50 mm dia. Cut to length
Forged Round Bar Above 88.9 mm dia. Cut to length
Custom Round Bar To drawing Custom

Available sizes of this Hastelloy B-2 round bar depend on the route, the document, the state and the lot size. Please confirm the size, section and length you need for this round bar in the inquiry.

Surface Finishes

Finish decides how this round bar holds up in hydrogen chloride synthesis, absorption towers and acid regeneration loops, and most stock leaves our yard solution annealed and pickled so the reducing-acid surface arrives ready. Specifically, we agree the finish on this Hastelloy B-2 round bar before the order leaves the desk.

Surface Condition Typical Use
Solution Annealed and Pickled Annealing followed by acid descaling leaves this round bar scale-free for hydrochloric acid service.
Cold Drawn Drawn stock giving this round bar close diameter control and a smoother skin.
Peeled A machined skin on this round bar with a uniform diameter for further turning.

Meanwhile, the surface finishes table recorded on the Hastelloy B-2 material page lists the remaining conditions quoted for this round bar.

Related forms from the same heat cover Hastelloy B-2 Welding Wire, Hastelloy B-2 Bright Bar and Hastelloy B-2 Centreless-Ground Rod when your round bar order needs them.

TECHNICAL DOCUMENTATION

Download Technical Datasheet

Get detailed information including specifications, standards, dimensions and material properties.

HOW TO START

Start Your Order in 6 Simple Steps

A single coordinator carries your Hastelloy B-2 round bar order from the first question through to loading. Therefore, stock sizes of this Hastelloy B-2 round bar dispatch inside fifteen days while made-to-order heats run longer.

1

Send the Medium Data

Give us the medium, its concentration and its temperature, plus the size, quantity and standard this Hastelloy B-2 round bar will face.

2

Fix the State

Then we set the annealing cycle, the delivery state and the tolerance band for this Hastelloy B-2 round bar.

3

Review the Offer

Pricing for this Hastelloy B-2 round bar arrives by size, quantity and destination port.

4

Approve the Order

You confirm the specification, the terms and the schedule of this Hastelloy B-2 round bar in writing.

5

Witness Points Agreed

Any third-party inspection or dimensional review of this Hastelloy B-2 round bar is booked before production starts.

6

Dispatch and Documents

This Hastelloy B-2 round bar arrives with mill papers, a packing list and the certificate set.

CERTIFICATIONS & QUALITY DOCUMENTATION

Certifications & Quality Documentation

Our production and inspection processes are certified to international standards, and every delivery ships with EN 10204 3.1 mill test certificates.

ISO 9001:2015

Quality Management System

PED 2014/68/EU

Pressure Equipment Directive

ASTM / ASME

Material Standards Compliance

EN 10204 3.1

Mill Test Certificates

FAQ

Frequently Asked Questions

Which standard covers this Hastelloy B-2 round bar?

ASTM B335 and ASME SB335 govern this Hastelloy B-2 round bar, and the scope of that standard lists N10665 alongside four other nickel-molybdenum grades.

Is this Hastelloy B-2 round bar suitable for hydrochloric acid duty?

Yes. Molybdenum at 26.0–30.0% carries this Hastelloy B-2 round bar through hydrochloric acid at every concentration up to boiling, provided the stream carries no oxidant.

Which contaminants rule this Hastelloy B-2 round bar out?

Ferric ions, cupric ions, nitric acid and hypochlorite. Each one oxidises the surface of this Hastelloy B-2 round bar, so those duties belong with a chromium-bearing alloy.

Does this Hastelloy B-2 round bar qualify for sour service?

No. We do not release this Hastelloy B-2 round bar against NACE MR0175, because an H2S-bearing stream can form low-melting nickel sulfide on a high-nickel surface.

Which filler metal suits this Hastelloy B-2 round bar?

ERNiMo-7 bare wire to AWS A5.14 repairs this Hastelloy B-2 round bar, with ENiMo-7 covered electrodes to AWS A5.11 for manual work.

How is the price of this Hastelloy B-2 round bar calculated?

Weight in kilograms drives pricing for this Hastelloy B-2 round bar, with the nickel and molybdenum quotations fixed on the date you receive the offer.

What is your MOQ for this Hastelloy B-2 round bar?

A single bar covers many common sizes of this Hastelloy B-2 round bar, so trial lengths are welcome before container orders.

What are your trade terms for this Hastelloy B-2 round bar?

We quote FOB as standard for this Hastelloy B-2 round bar, and EXW, CIF or DAP terms follow once the destination is fixed.

What is the lead time for this Hastelloy B-2 round bar?

Expect 7 to 15 days for stock sizes of this Hastelloy B-2 round bar, while made-to-order annealed heats need about 25 days.

Do you provide EN 10204 3.1 or 3.2 certificates for this Hastelloy B-2 round bar?

Every heat of this Hastelloy B-2 round bar ships with EN 10204 3.1, and a 3.2 endorsement is booked through the order.

REQUEST FOR QUOTATION

Need A Custom Alloy Solution?

Hastelloy B-2 round bar from Southerly Alloy covers stock and made-to-order diameters to ASTM B335. Send the medium, diameter, condition and length, and we return pricing for this Hastelloy B-2 round bar.

We walk through your Hastelloy B-2 round bar specification, settle the delivery state and the document scope, then return pricing with clear terms. Production follows the signed specification, and every consignment of this Hastelloy B-2 round bar leaves with the complete paper set.

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