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DIPTI METAL INDUSTRIES

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UNS N08811 (Incoloy 800HT) Alloy Fittings, Flanges & Fasteners Manufacturer India

UNS N08811 (Incoloy 800HT) Stainless Steel Products

UNS N08811 Manufacturer • UNS N08811 Exporter • UNS N08811 Supplier • UNS N08811 Dealer • UNS N08811 Distributor • UNS N08811 Stockist • UNS N08811 Wholesaler


Company Overview – Dipti Metal Industries

Established in 2009, Dipti Metal Industries is a globally trusted UNS N08811 manufacturer and exporter of premium Incoloy 800HT fittings, flanges, and fasteners. Based in Mumbai, India, we supply to more than 65 countries worldwide with ISO-certified production, CNC precision machining, AI-powered logistics, and full EN 10204 3.1/3.2 material traceability.


About UNS N08811 (Incoloy 800HT)

UNS N08811 is the designation for Incoloy Alloy 800HT, a nickel–iron–chromium alloy designed for high-temperature structural applications. It has improved creep and rupture strength due to optimized carbon content and increased aluminum and titanium levels. The alloy undergoes high-temperature annealing, giving it superior long-term performance at elevated temperatures.


International Equivalents of UNS N08811

Standard / Region Equivalent Grade
UNS (USA)N08811 (Incoloy 800HT)
EN / DIN (Germany)1.4959
ISO (International)X8NiCrAlTi33-21
JIS (Japan)NCF 800HT

UNS N08811 (Incoloy 800HT) Product Range

Steel Butt Weld Pipe Fittings

  • UNS N08811 Elbows – 45°, 90°, 180° (Long Radius & Short Radius)

  • UNS N08811 Tees – Equal & Reducing

  • UNS N08811 Reducers – Concentric & Eccentric

  • UNS N08811 End Caps, Stub Ends, Crosses

Steel Socket Weld & Threaded Fittings

  • UNS N08811 Couplings (Full & Half)

  • UNS N08811 Plugs, Unions, Olets, Swage Nipples, Hex Nipples, Hex Bushings

Steel Flanges

  • UNS N08811 Weld Neck Flanges

  • UNS N08811 Slip-On Flanges

  • UNS N08811 Blind Flanges

  • UNS N08811 Threaded Flanges

  • UNS N08811 Socket Weld Flanges

  • UNS N08811 Long Weld Neck Flanges

  • UNS N08811 Spectacle Blind, Spade, Spacer Flanges

Steel Fasteners

  • UNS N08811 Stud Bolts

  • UNS N08811 Hex Bolts

  • UNS N08811 Nuts & Heavy Hex Nuts

  • UNS N08811 Flat Washers


Key Benefits of UNS N08811 (Incoloy 800HT)

  • Excellent creep resistance at high temperatures

  • Superior oxidation, carburization, and nitriding resistance

  • Maintains mechanical strength at elevated service temperatures

  • Suitable for long-term industrial service in aggressive environments


Typical Chemical & Mechanical Characteristics

  • Nickel (Ni): 30–35%

  • Chromium (Cr): 19–23%

  • Carbon (C): 0.06–0.10%

  • Aluminum + Titanium (Al+Ti): 0.85–1.20%

  • Excellent mechanical strength and creep resistance maintained up to around 1100 °C


Applications

  • Superheater and reheater tubes

  • Furnace components and heat-treating fixtures

  • Petrochemical processing equipment

  • Power generation boilers and piping systems

  • High-temperature exhaust and flue gas systems


Global Export Reach

  • North America: USA, Canada, Mexico

  • Europe: Germany, UK, Italy, France, 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

  • Supplied with EN 10204 3.1 / 3.2 Test Certificates

  • Third-party inspections available upon request

  • Seaworthy wooden crate packing with protective thread caps

  • Custom marking and export documentation provided

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