ASTM B409 Specification for Incoloy 800/ 800H/ 800HT Plate

Oct 24, 2023 Leave a message

ASTM B409 Incoloy 800/ 800H/ 800HT Standard

ASTM B409-06
The Nickel-Iron-Chromium Alloy Plate, Sheet, and Strip are specified by ASTM B409. This standard covers the rolled forms of Incoloy 800, Incoloy 800H, and Incoloy 800HT. These alloys are identified by the UNS numbers N08800, N08810, and N08811, respectively. The materials are available in plate, sheet, and strip forms. The ASTM B409 specification provides the necessary guidelines for the manufacturing and quality control of these nickel-based alloys.

 

 

ASTM B409 Plate Sheet Service Temperatures
UNS N08800 is an alloy that is typically utilized in applications where temperatures do not exceed 1100°F (593°C). For high-temperature applications where resistance to creep and rupture is of utmost importance, ASTM B409 UNS N08811 and Alloys UNS N08810 are employed. These alloys are annealed to produce a controlled grain size, which results in optimal properties in the aforementioned temperature range.

 

 

ASME SB 409 800H /800 / 800HT Plate Properties
The ASTM B409 UNS N08810 Sheet Plate exhibits excellent machinability in its annealed state. To yield optimal outcomes, it is recommended to hot-forge, cold-roll, or hot-roll this material. This type of sheet is obtainable in various configurations, including rolled sheets, plates, and strips. Generally, strips, sheets, or plates made from this alloy are used when resistance to rupture and creep is necessary.

 

 

ASME SB 409 Plate Quality Tests
Our commitment to provide only the highest quality sheets remains unwavering. That's why we make sure that our ASTM B409 UNS N08800 sheets undergo the strictest quality tests. These include Flattening Test, Hardness Test, Flaring Test, Micro and MacroTest, Spectro Analysis, and other rigorous evaluations. By subjecting each sheet to these tests, we can guarantee that our customers receive only the very best products. Trust us to deliver top-quality sheets that meet your exact specifications, every single time.

 

 

The chemical composition of ASTM B409 UNS N08800, N08810, and N08811 are important factors to consider when selecting materials for various projects. By understanding their chemical makeup, one can ensure that the materials will exhibit the desired properties and perform as expected.

 

ASTM B409 UNS N08800, N08810, and N08811 all belong to the same family of nickel alloys and share many similarities in their chemical composition. They all contain high levels of nickel, which is essential for their unique properties such as corrosion resistance and high-temperature durability.

 

Additionally, N08810 and N08811 also contain higher levels of chromium and molybdenum, which further enhance their resistance to corrosion and make them suitable for use in harsh environments. N08811 also has the addition of aluminum, which increases its resistance to scaling and oxidation.

 

In conclusion, the chemical composition of ASTM B409 UNS N08800, N08810, and N08811 has a significant impact on their properties and suitability for various applications. Proper consideration of these factors is essential for selecting the right materials that will meet the needs of the project at hand.

 

Grade C≤ Mn≤ Si≤ S≤ Cu≤ Fe(min) Ni Cr Al Ti
Incoloy 800 0.1 1.5 1 0.015 0.75 39.5 30.0-35.0 19.0-23.0 0.15-0.60 0.15-0.60
Incoloy 800H 0.05-0.10 1.5 1 0.015 0.75 39.5 30.0-35.0 19.0-23.0 0.15-0.60 0.15-0.60
Incoloy 800HT 0.06-0.10 1.5 1 0.015 0.75 39.5 30.0-35.0 19.0-23.0 0.85-1.20 0.25-0.60

 

ASTM B409 specifies the mechanical properties of Incoloy 800, 800H, and 800HT. These alloys exhibit excellent mechanical characteristics, making them suitable for various applications.

 

Incoloy 800, 800H, and 800HT offer superior tensile strength, which allows them to withstand high pressures and loads. The alloys possess a minimum yield strength of X psi (X MPa) and a minimum ultimate tensile strength of X psi (X MPa). These properties ensure the alloys' ability to resist deformation and structural failure under demanding conditions.

 

Furthermore, the alloys exhibit good ductility and toughness, enabling them to withstand sudden impacts and shocks. This makes Incoloy 800, 800H, and 800HT ideal for applications that require resistance to thermal cycling and mechanical vibration.

 

In terms of hardness, the alloys show excellent performance. They possess a minimum Rockwell hardness of X (HRC) or X (HRB), indicating their ability to resist surface indentation and wear. This hardness level contributes to their durability and long service life.

 

Moreover, Incoloy 800, 800H, and 800HT exhibit remarkable corrosion resistance in various environments. They are specifically designed to resist oxidation and carburization at high temperatures, making them suitable for applications involving heat and corrosive gases.

 

In conclusion, ASTM B409 specifies the mechanical properties of Incoloy 800, 800H, and 800HT, highlighting their excellent tensile strength, ductility, toughness, hardness, and corrosion resistance. These properties make these alloys reliable options for a wide range of industrial applications.

 

Mechanical properties Tensile, min, ksi[MPa] Yield, min, ksi[MPa] Elongation, %(min)