Sliver Tubes is a trusted and leading manufacturer, supplier, and exporter of Incoloy 800, 800H, and 800HT Pipes & Tubes, known for delivering high-performance products across various industries. Our Inconel 800H Pipes and Inconel 800HT Pipes are manufactured using top-grade raw materials and advanced technology, ensuring excellent quality, durability, and resistance to high-temperature environments.
These alloys are part of the Incoloy 800 series and are widely recognized for their strength, corrosion resistance, and superior mechanical stability under elevated temperatures, making them ideal for heat exchangers, furnace components, and petrochemical processing.
| Property | Incoloy 800 (UNS N08800) | Incoloy 800H (UNS N08810) | Incoloy 800HT (UNS N08811) |
| Composition | Ni 30-35%, Cr 19-23%, Fe balance | Same as 800, but with controlled carbon | Same as 800H, but with Ti + Al ≥ 0.85% |
| Carbon (C) Content | ≤ 0.10% | 0.05–0.10% (controlled) | 0.06–0.10% (optimized for stability) |
| Key Additions | Standard | Higher carbon for creep resistance | Ti + Al ≥ 0.85% for superior high-temp strength |
| Heat Treatment | Annealed | Solution annealed (≥ 982°C / 1800°F) | Solution annealed (≥ 982°C / 1800°F) |
| High-Temp Performance | Good | Better (improved creep resistance) | Best (enhanced rupture strength) |
| Typical Applications | Heat exchangers, furnace parts | Petrochemical heaters, reformers | Nuclear reactors, ethylene crackers |
| Standards (ASTM) | B409, B514, B515 | B409, B514, B515 | B409, B514, B515, B564 |
Sliver Tubes offers a comprehensive range of Incoloy 800, 800H, and 800HT Pipes & Tubes in various forms including seamless, welded, ERW, and fabricated types. These pipes and tubes are manufactured as per international standards such as ASTM B407, ASME SB407, and ASTM B514, with size ranges from 1/8" NB to 24" NB for pipes and 6.35 mm OD to 101.6 mm OD for tubes. Available in thicknesses from 0.6 mm to 12.7 mm, they are supplied in Single Random, Double Random, and custom cut lengths. Surface finishes include bright annealed, pickled, polished, and satin, with end connections such as plain, beveled, or threaded. All materials come with Mill Test Certificates (EN 10204 3.1/3.2), and third-party inspections like TUV, SGS, and BV can be arranged on request.
| Alloy 800/800H/800HT Seamless Pipe and Tube | ASTM B407 / ASME SB407 |
| Alloy 800/800H/800HT Welded Pipe | ASTM B514 / ASME SB514 |
| Alloy 800/800H/800HT Welded Tube | ASTM B515 / ASME SB515 |
| Standard | ASTM, ASME and API |
| Type | Seamless / ERW / Welded / Fabricated |
| Length | Single Random, Double Random & Required Length, Cut Length |
| Pipe Size | 15 NB UP TO 800/800H/800HT NB IN SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Tube Size | 1 mm OD upto 254 mm OD in 0.2 TO 20 mm thickness. |
| End | Plain End, Beveled End, Treaded |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | - | X8NiCrAlTi32-21 | XH32T |
The key chemical composition of Incoloy 800/800H/800HT Pipes & Tubes includes:
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Alloy 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| Alloy 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| Alloy 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
The Incoloy 800 series is engineered for high-temperature service with a combination of strength and resistance to oxidation and carburization. Below are the typical mechanical properties:
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
| 800H | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
| 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
These properties make Inconel 800H Pipes and Inconel 800HT Pipes ideal for pressure vessels, heat exchangers, and structural components operating in high-heat conditions.
Seamless Pipes
Incoloy 800 Seamless Pipe
Alloy 800H Seamless Pipe
ASTM B407 Incoloy® Alloy 800HT Seamless Pipe
UNS N08800 Seamless Pipes
Inconel 1.4876 Seamless Pipe
ASME SB407 Nickel Alloy 800 Seamless Pipes
Seamless Tubes
Incoloy 800 Seamless Tubes
Alloy 800H Seamless Tubing
ASTM B163 Incoloy® Alloy 800HT Seamless Tube
UNS N08800 Seamless Tubes
Inconel 1.4958 / 1.4876 Seamless Tubing
ASME SB163 Nickel Alloy 800 Seamless Tubes
Welded Pipes
Incoloy 800 Welded Pipe
Alloy 800H Welded Pipe
Incoloy 800HT ERW Pipes
ASTM B514 Incoloy® Alloy 800 Welded Pipe
UNS N08810 Welded Pipes
Inconel 1.4859 / 1.4876 Welded Pipe
ASME SB514 Nickel Alloy 800HT Welded Pipes
Welded Tubes
Incoloy 800 Welded Tube
Alloy 800H Welded Tubing
Incoloy 800HT ERW Tubes
ASTM B515 Incoloy® Alloy 800 Welded Tube
UNS N08811 Welded Tubes
Inconel 1.4876 Welded Tubing
ASME SB515 Nickel Alloy 800H Welded Tubes
Sliver Tubes supplies Incoloy 800/800H/800HT Pipes & Tubes to a broad range of industries, thanks to their outstanding performance in aggressive environments. Common applications include:
The high nickel and chromium content in Inconel 800H Pipes and Inconel 800HT Pipes makes them highly resistant to stress corrosion cracking and oxidation, even in extreme industrial conditions.
Sliver Tubes is your trusted partner for premium-grade Incoloy 800, 800H, and 800HT Pipes & Tubes, offering unmatched quality, service, and flexibility. Here’s why global industries choose us:
We maintain a comprehensive inventory of Incoloy 800 pipes and tubes in a variety of sizes, schedules, and forms—including seamless, welded, and fabricated options—ready for immediate dispatch.
All materials are supplied with full Mill Test Certificates (EN 10204 3.1/3.2) and comply with international standards such as ASTM B407, ASME SB 407, and ISO 9001. On request, we facilitate third-party inspections by TUV, SGS, BV, and others.
We serve clients across domestic and international markets, offering prompt delivery and complete export documentation and certifications for global shipments.
Whether you need cut-to-length materials, custom finishes, or expert advice based on your application, our technical team will provide tailored solutions to ensure your exact requirements are met.
We cater to both small-scale projects and bulk industrial orders. Competitive pricing and flexible minimum order quantities (MOQ) are available, with special rates for long-term contracts or repeat orders
Incoloy 800, 800H, and 800HT are similar nickel-iron-chromium alloys, but differ mainly in carbon content and heat treatment. 800H and 800HT offer improved creep and stress rupture properties at high temperatures.
Gimhae-si, Brisbane, Port-of-Spain, Noida, Geoje-si, Howrah, Perth, Toronto, Cairo, Melbourne, Mexico City, Muscat, Gurgaon, Visakhapatnam, Thane, Coimbatore, Lagos, Hong Kong, Haryana, Manama, Hanoi, Riyadh, Moscow, Tehran, Ernakulam, Jaipur, Ulsan, Indore, Dammam, Granada, Abu Dhabi, Lahore, Thiruvananthapuram, Chennai, Seoul, Bangkok, Houston, Singapore, Navi Mumbai, Sharjah, Atyrau, Kuala Lumpur, Baroda, Milan, Nashik, Kuwait City, New Delhi, Ho Chi Minh City, New York, Pune, Bengaluru, Secunderabad, Los Angeles, Edmonton, Bhopal, Vadodara, Busan, Bogota, Colombo, Chandigarh, Karachi, Montreal, Dubai, Ludhiana, Petaling Jaya, Kolkata, Courbevoie, Santiago, Al Jubail, Jeddah, Mumbai, Istanbul, Ahmedabad, Faridabad, Aberdeen, La Victoria, London, Jamshedpur, Al Khobar, Caracas, Chiyoda, Ankara, Ahvaz, Ranchi, Jakarta, Pimpri-Chinchwad, Vung Tau, Sydney, Rajkot, Kanpur, Doha, Rio de Janeiro, Calgary, Dallas, Madrid, Nagpur, Hyderabad, Surat, Algiers.
Croatia, Bahrain, Romania, Spain, Ecuador, Gambia, Malaysia, Vietnam, United States, Nigeria, Lebanon, Kenya, Argentina, Israel, Denmark, Russia, Puerto Rico, Portugal, Venezuela, Trinidad & Tobago,Tunisia, New Zealand, Sweden, Belgium, Hungary, Algeria, Canada, Japan, Taiwan, Mexico, Greece, Australia, Qatar, Bulgaria, Peru, Norway, Italy, Mongolia, Bhutan, Ghana, Czech Republic, Ukraine, Slovakia, Iran, Libya, Egypt, France, United Kingdom, Singapore, Zimbabwe, South Africa, Mexico, Azerbaijan, Chile, Iraq, Bangladesh, Hong Kong, Belarus, Serbia, Philippines, Namibia, Pakistan, India, Saudi Arabia, Sri Lanka, Jordan, Austria, Kuwait, Gabon, Colombia, Germany, Bolivia, Yemen, Costa Rica, Netherlands, Chile, South Korea, Afghanistan, Iran, Ireland, Estonia, Thailand, Turkey, Poland, Poland, Finland, China, Switzerland, Lithuania, Morocco, Oman, Nepal, Brazil, Indonesia, Nigeria, Macau, Kazakhstan, United Arab Emirates, Tibet, Angola.
AN ISO 9001:2015
CERTIFIED COMPANY
