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DIPTI METAL INDUSTRIES

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UNS N10629 Hastelloy B-4 Manufacturer, Supplier & Exporter in India

UNS N10629 (Hastelloy B-4) Nickel-Molybdenum Alloy Products

UNS N10629 Manufacturer • UNS N10629 Exporter • UNS N10629 Supplier • UNS N10629 Dealer • UNS N10629 Distributor • UNS N10629 Stockist • UNS N10629 Wholesaler

Company Overview – Dipti Metal Industries

Founded in 2009, Dipti Metal Industries is a trusted manufacturer, exporter, and supplier of UNS N10629 (Hastelloy B-4) products. With headquarters in Mumbai, India, we serve customers in over 65 countries across North America, Europe, the Middle East, Africa, and Asia-Pacific.
Our manufacturing is backed by ISO 9001:2015 certification, advanced CNC machining, AI-driven logistics, and complete material traceability (EN 10204 3.1 / 3.2).

About UNS N10629 / Hastelloy B-4 / DIN 2.4600

UNS N10629, commercially known as Hastelloy B-4, is a nickel-molybdenum alloy with exceptional resistance to hydrochloric acid, sulfuric acid, and other strong reducing agents. This alloy is designed for demanding chemical processing environments where stainless steels and many high alloys fail.

Chemical Composition (%)

Element Content
NiRemainder
Cr0.5 – 1.5
Fe1.0 – 6.0
Mn1.50
Al0.1 – 0.5
C0.010
Cu0.50
Si (max)0.05
S (max)0.010
Mo26.0 – 30.0
P (max)0.04
Co2.5

Mechanical Properties

Property Value
Tensile Strength (MPa)760 (11000 PSI)
Yield Strength (0.2% offset) Min (MPa)350 (51000 PSI)
Elongation (Min %)40

Applicable Standards for UNS N10629

  • Seamless Tubing & Pipe: SB-622

  • Welded Tubing: SB-626

  • Welded Pipe: SB-619

  • Buttweld Fittings: SB-366

  • Plate / Sheet / Strip: SB-333

  • Bar Forging & Forgings: SB-335, SB-564, SB-462

Product Range in UNS N10629 (Hastelloy B-4)

Butt Weld Pipe Fittings (ASME SB-366)

  • UNS N10629 Elbows (45°, 90°, 180° – LR & SR)

  • UNS N10629 Tees (Equal & Reducing)

  • UNS N10629 Reducers (Concentric & Eccentric)

  • UNS N10629 End Caps

  • UNS N10629 Stub Ends

  • UNS N10629 Crosses

Socket Weld & Threaded Fittings

  • UNS N10629 Couplings (Full & Half)

  • UNS N10629 Plugs, Unions, Olets, Swage Nipples, Hex Nipples, Hex Bushings

Flanges (ASME SB-462)

  • UNS N10629 Weld Neck Flanges

  • UNS N10629 Slip-On Flanges

  • UNS N10629 Blind Flanges

  • UNS N10629 Threaded Flanges

  • UNS N10629 Socket Weld Flanges

  • UNS N10629 Long Weld Neck Flanges

  • UNS N10629 Spectacle Blind, Spade, Spacer Flanges

Fasteners

  • UNS N10629 Stud Bolts

  • UNS N10629 Hex Bolts

  • UNS N10629 Nuts (including Heavy Hex Nuts)

  • UNS N10629 Flat Washers

Key Advantages

  • Superior resistance to strong reducing agents like hydrochloric and sulfuric acids

  • Excellent performance in aggressive chemical environments

  • High mechanical strength with outstanding ductility

  • Good weldability and fabrication characteristics

Applications

  • Chemical reactors and acid storage tanks

  • Heat exchangers for chemical processing

  • Marine & offshore acid handling systems

  • Pharmaceutical industry process equipment

  • Pulp & paper bleaching systems

Global Export Reach

  • North America: USA, Canada, Mexico

  • Europe: Germany, UK, France, Italy, Spain, Netherlands

  • Middle East: UAE, Saudi Arabia, Qatar, Oman, Kuwait

  • Asia-Pacific: Japan, South Korea, Singapore, Australia, New Zealand

  • Africa: South Africa, Egypt, Nigeria, Kenya

  • South America: Brazil, Argentina, Chile

Quality & Packaging

  • EN 10204 3.1 / 3.2 Test Certificates supplied with all orders

  • Third-party inspections by TUV, SGS, DNV available on request

  • Packed in seaworthy wooden crates with plastic protection for threads and sealing surfaces

  • Custom markings, barcodes, and export documentation provided

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