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ASTM B407 UNS N08800 Nickel Alloy Steel Tube
Overview
ASTM B407 N08800 specifies the standard for seamless nickel alloy pipes and tubes made from Incoloy 800 (UNS N08800). Here are some key details covered by this standard:
Chemical Composition: ASTM B407 N08800 defines the chemical composition requirements of Incoloy 800, including the percentages of elements such as nickel, chromium, iron, and carbon, among others.Manufacturing Process: The standard outlines the manufacturing process for seamless pipes and tubes, including methods for melting, hot working, cold working, and heat treatment.Dimensions and Sizes: ASTM B407 N08800 covers the dimensions, sizes, and tolerances of seamless pipes and tubes, specifying the range of diameters, wall thicknesses, and lengths that the products should adhere to.Mechanical Properties: The standard establishes the mechanical properties that Incoloy 800 pipes and tubes must possess, including requirements for tensile strength, yield strength, elongation, and hardness.
Chemical Composition of ASTM B407 UNS N08800
| Grade | Ni | Cu | Iron | Mn | Al | Si | S | Cr | Ti | |
| N08800 | Min | 30.0 | 39.5 | 0.15 | 19.0 | 0.15 | ||||
| Max | 35.0 | 0.75 | 1.5 | 0.60 | 1.0 | 0.015 | 23.0 | 0.60 |
Mechanical Properies of ASTM B407 UNS N08800
| Grade | Tensile Str Ksi(Mpa) | Yield Str Ksi(Mpa) | Elongation(%) |
| N08800 | ≥65000(450) | ≥25000(170) | ≥30 |
Uses&Application
1>.Petrochemical Industry: Incoloy 800 pipes and tubes are used in petrochemical plants for processes involving high-temperature environments, such as cracking furnaces, catalytic crackers, and reformers.
2>.Power Generation: The excellent corrosion resistance and high-temperature strength of Incoloy 800 make it suitable for power generation applications, including heat exchangers, steam generator tubing, and boiler components.
3>.Chemical Processing: ASTM B407 N08800 pipes and tubes are employed in chemical processing industries for handling corrosive chemicals, acids, and alkalis at elevated temperatures. They can be found in reactors, distillation columns, and other chemical equipment.
4>.Oil and Gas Industry: Incoloy 800 is used in the oil and gas sector for applications requiring resistance to sulfidation, such as downhole tubulars, wellhead equipment, and offshore platforms.
5>.Aerospace Industry: In aerospace applications, Incoloy 800 pipes and tubes are utilized in engines, exhaust systems, and other components that operate under high-temperature conditions.
