Nascent Pipe & Tubes is proud to offer premium-quality Incoloy 800HT Tubes, engineered to deliver superior performance in the harshest industrial environments. These pipes are crafted in compliance with ASTM B407 for seamless variants and ASTM B514 for welded pipes, conforming to the stringent standards demanded by critical industries.

The Incoloy 800HT alloy, designated by the UNS N08811 number, is a modified version of Incoloy 800H. It features higher creep and rupture strength thanks to the precisely controlled carbon, aluminum, and titanium content. The alloy is primarily composed of nickel, iron, and chromium, providing outstanding resistance to oxidation, sulfidation, and carburization in high-temperature environments. This makes it the ideal choice for heat treatment equipment, power generation, chemical processing, and petrochemical refineries.
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At Nascent Pipe & Tubes, we supply a comprehensive range of Incoloy 800HT Tubes in both seamless and welded forms. These pipes are engineered using advanced manufacturing techniques and are available in various sizes, thicknesses, and schedules to meet diverse client specifications. The seamless pipes are manufactured in accordance with ASTM B407, ensuring exceptional dimensional accuracy and pressure-bearing capacity, while the welded pipes are produced as per ASTM B514, offering cost-effective solutions for lower-pressure applications.
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Our Incoloy 800HT Tubes undergo rigorous quality checks and testing processes, including ultrasonic testing, PMI testing, intergranular corrosion testing, and mechanical property evaluations to ensure that every pipe adheres to international quality benchmarks. The high nickel and chromium content in the alloy enhances its structural integrity and resistance to scaling up to 1100°C (2012°F), making it suitable for use in high-temperature heat exchanger systems, furnace components, and nuclear power plants.
ASTM B407 UNS N08810 INCOLOY 800HT Tube SPECIFICATIONS
Specification : ASTM B407 UNS N08810
Standards : ASME N-20 (Cold Worked Seamless Condenser and Heat Exchanger Tubes for Nuclear Service), VdTÜV 412 (All Products), ASTM B 163 & ASME SB 163 (Seamless Condenser & Heat Exchanger Tubes), ISO 6207 (Seamless Tubing) , ASTM B 515/B 751 & ASME SB 515/SB 751(Welded Tubes), ASME Code Case 1325 (All Product Forms), BS 3074NA15 (Seamless Pipe & Tubes), ASTM B 407/B 829 & ASME SB 407/SB 829 (Seamless Pipe & Tubes), ASTM B 514/B 775 & ASME SB 514/SB 775 (Welded Pipe)
Grades :Incoloy Alloy 800HT Pipes
Size Range :15 - 150" NB IN
Available Pipe Schedule :SCH 5, SCH 10, SCH 40, SCH 40s, STD, SCH 80, SCH 160
Various types : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Forms Available:Round, Hydraulic Etc
Length Available :Single Random, Double Random & Cut Length.
Pipe End Forming :Plain End, BOE, TBE, BBE, BOE, BLE, BSE, POE, BE, TOE, PBE, Beveled End, Treaded
EQUIVALENTS FOR GRADE 800HT INCOLOY PIPE
Alloy | DIN Werkstoff nr. | UNS designation | JIS standard | BS standard | GOST standards | AFNOR UK | EN European standards |
---|---|---|---|---|---|---|---|
Incoloy Alloy 800HT | 1.4876 | N08810 | NCF 800HT | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 |
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