The manufacturers of Alloy 800HT Pipe, also known as ASTM B407 UNS N08811 or 1.4959 Stainless Steel, offer a reliable and durable solution for various industrial applications. This particular alloy, known as 800HT Stainless Steel or Incoloy 800HT, has excellent corrosion resistance and high temperature strength.
Incoloy 800HT Pipe is a popular choice due to its superior properties. With a composition of DIN 1.4876 or ASME SB 407 UNS N08811, this pipe exhibits exceptional resistance to oxidation, carburization, and nitridation. Moreover, it can withstand elevated temperatures up to 1100°C (2000°F) without losing its mechanical strength.
The prices for Incoloy 800HT pipes vary depending on the specifications and quantities required. Manufacturers offer competitive prices for this high-quality material, ensuring cost-effectiveness for customers. Additionally, the availability of different sizes and dimensions allows for flexible usage and ease of installation.
Overall, Incoloy 800HT Pipe is a reliable and versatile choice for applications that require resistance to high temperatures and aggressive environments. With its exceptional properties, this alloy meets the demanding requirements of various industries, including petrochemical, power generation, and heat processing.
Alloy 800HT pipe is a high-temperature alloy that is widely used in various industries due to its remarkable properties. It is primarily composed of nickel, chromium, and iron, with the addition of aluminum, titanium, and other elements for enhanced performance. The material, with its ASME SB 407 UNS N08811 designation, is renowned for its exceptional resistance to high-temperature oxidation, carburization, and corrosion.
Thanks to its unique qualities, Alloy 800HT finds extensive applications in industries that involve high-temperature and corrosive environments. For instance, it is commonly employed in petrochemical processing plants, where it withstands the rigorous conditions and ensures optimal performance. Moreover, this alloy is widely used in heat treatment furnaces, where it successfully endures extreme temperatures and maintains its integrity over prolonged periods. In addition, the power generation sector benefits from the use of Alloy 800HT, as it demonstrates outstanding resistance to high temperatures, making it an ideal material for critical components in power generation plants.
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Incoloy 800HT Pipe Material Standard:
- The ASTM B407 standard outlines the requirements for seamless pipes and tubes made from nickel-iron-chromium alloys. These alloys are known for their exceptional strength, corrosion resistance, and durability, making them ideal for use in a variety of industrial applications. By following the guidelines set forth in this standard, manufacturers can ensure that their products meet the necessary specifications and are of the highest quality.
It is important to note that the ASTM B407 standard applies specifically to seamless pipes and tubes, as opposed to welded options. This is because seamless products are generally stronger and more resistant to internal pressure than welded versions. Furthermore, the use of nickel-iron-chromium alloys ensures that these pipes and tubes are able to withstand extreme temperatures and harsh environmental conditions, making them ideal for use in high-stress applications.
Overall, the ASTM B407 standard plays a critical role in ensuring the safety and reliability of industrial piping and tubing. By adhering to these guidelines, manufacturers can produce products that are of consistent quality and able to perform optimally under a variety of conditions. - ASTM B514 is a standard specification for welded pipe made from nickel-iron-chromium alloy. This specification provides guidelines and requirements for the manufacturing process, dimensions, tolerances, mechanical properties, and testing techniques of such pipes. It is essential to follow this standard to ensure the quality and performance of nickel-iron-chromium alloy pipes in various industrial applications. Compliance with ASTM B514 guarantees the reliability and safety of these welded pipes, making them suitable for use in diverse sectors such as chemical processing, power generation, and oil refineries.
- The Welded Nickel-Iron-Chromium Alloy Tubes are defined by the ASTM B515 standard specification. This specification outlines the requirements and guidelines for the construction of these tubes. The purpose of this standard is to ensure the quality and reliability of the welded nickel-iron-chromium alloy tubes used in various industries.
The ASTM B515 standard specification covers the various aspects of these tubes, including their dimensions, mechanical properties, chemical composition, and testing procedures. It provides specific guidelines for manufacturing processes such as welding, heat treatment, and surface finishes.
The dimensions of the welded nickel-iron-chromium alloy tubes are defined in this specification, including the outside diameter, wall thickness, and length. The mechanical properties such as tensile strength, yield strength, and elongation are also specified to ensure the tubes meet the required performance criteria.
Chemical composition requirements are outlined to ensure that the nickel-iron-chromium alloy tubes have the necessary elements and percentages, which contribute to their corrosion resistance and heat resistance properties. This includes the minimum and maximum limits for nickel, iron, chromium, and other alloying elements.
The ASTM B515 standard also includes testing procedures that must be performed to ensure the quality of the welded tubes. These tests include visual inspection, dimensional inspection, mechanical testing, non-destructive examination, and chemical analysis.
By adhering to the requirements specified in the ASTM B515 standard, manufacturers can ensure that the welded nickel-iron-chromium alloy tubes they produce are of the highest quality and meet the needs of various industries such as petrochemical, chemical processing, power generation, and aerospace.
In conclusion, the ASTM B515 standard specification plays a crucial role in setting the guidelines for the manufacturing of welded nickel-iron-chromium alloy tubes. Adhering to these requirements helps ensure the quality, reliability, and durability of these tubes in various industrial applications. - The ASTM B829 is a standard specification that outlines the general requirements for seamless pipes and tubes made from nickel and nickel alloys. This document serves as a guide for manufacturers, distributors, and end-users in the industry to ensure that their products meet the necessary quality and safety standards.
The ASTM B829 covers a wide range of topics related to the production and use of nickel and nickel alloy pipes and tubes, including the materials used, the manufacturing process, testing procedures, and dimensions. The standard also provides information on how to properly mark and package the products for shipping and storage.
One of the key aspects of the ASTM B829 is its emphasis on quality control. Manufacturers are required to maintain strict quality control procedures during the production process and to conduct various tests to ensure that their products meet the necessary requirements. These tests may include visual inspections, surface integrity tests, and mechanical property tests.
In addition to quality control, the ASTM B829 also addresses safety concerns. The standard specifies requirements for the design and construction of pipes and tubes to ensure that they are safe to use in various applications. This includes considerations such as temperature and pressure ratings, corrosion resistance, and compatibility with other materials.
Overall, the ASTM B829 is an important document that provides crucial guidance to the nickel and nickel alloy pipe and tube industry. By adhering to the standard's requirements, manufacturers, distributors, and end-users can be assured that their products are of high quality and pose minimal safety risks.

Alloy 800/800H/800HT Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 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 |
| 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 |
| 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 |
800 / 800H /800HT Material Equivalent
| Alloy | DIN Werkstoff nr. | UNS designation | JIS standard | BS standard | GOST standards | AFNOR UK | EN European standards |
| 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 |
| 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 |
| 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 |
Alloy 800HT Pipe High-temperature Oxidation Resistance
The 1.4959 stainless steel used in Alloy 800HT piping is known for its excellent resistance to carburizing and oxidizing environments. This makes the tubing especially useful in applications that are often exposed to high temperatures.
Alloy 800HT Pipe Corrosion Resistance
Due to its high-temperature strength and corrosion resistance, Din 1.4876 pipe is frequently used in a variety of applications including chemical and petrochemical processing, industrial heating and cooling systems, pollution control equipment, and power generation.
ASTM B407 UNS N08811 Mechanical Properties
800ht material has high-temperature strength and excellent mechanical properties. ASTM B407 UNS N08811 specification ensures that this pipe has high resistance to corrosion, stress corrosion cracking, and intergranular corrosion in wet or corrosive environments.
800ht Stainless Steel Application Field
- 1. Petrochemical Industry: Alloy 800HT is used in applications such as furnaces, heat exchangers, and reformer tubes exposed to high temperatures and corrosive environments containing sulfur and carbon compounds.
- 2. Power generation: alloy 800HT round pipe can be used in power plants, especially in boilers and steam generator pipes where high temperature and steam conditions exist.
- 3. Chemical Processing: The oxidation and corrosion resistance of the alloy makes it suitable for chemical processing applications involving acids, alkalis, and other corrosive substances at high temperatures.
- 4. Heat Treatment: 800HT tubing is used in heat treatment applications requiring controlled high temperatures.
- 5. Aerospace: In applications where high temperatures and corrosive gases are encountered, such as aircraft engine components.
Customized Service
The tubing is available in different sizes and specifications to meet specific application requirements. The wall thickness, length, and diameter of the Incoloy 800ht pipe can also be customized according to the needs of customers. Alloy 800HT seamless pipe ensures high dimensional accuracy, uniformity, and perfect roundness for seamless installation and optimum performance.
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