ASTM B407 UNS N08810 Nickle Alloy Steel Welded Tube For Power Generation

ASTM B407 UNS N08810 Nickle Alloy Steel Welded Tube For Power Generation

ASTM B407 UNS N08810 is a high-performance nickel-iron-chromium alloy, also known as Incoloy 800HT. It is specifically designed for applications requiring exceptional strength and corrosion resistance at elevated temperatures. This alloy is commonly used in environments that demand resistance to oxidation, carburization, and high-temperature creep.

Key Features:

• High Temperature Resistance: UNS N08810 maintains excellent mechanical properties in temperatures up to 1100°F (593°C) and shows exceptional creep and stress rupture resistance at even higher temperatures.
• Corrosion Resistance: The alloy offers outstanding resistance to oxidation, nitriding, and carburization in extreme environments.
• Weldability: Its excellent weldability makes it ideal for fabricated components in industrial applications.
• Stabilized Microstructure: The alloy has controlled aluminum and titanium contents, providing enhanced resistance to thermal fatigue and long-term structural stability.

Specifications:

• Standard: ASTM B407
• Alloy Designation: UNS N08810
• Material Type: Nickel Alloy Steel Welded Tube
• Form: Welded Tubes or Pipes
• Dimensions: Available in a wide range of sizes as per customer requirements.

Applications:

The ASTM B407 UNS N08810 welded tube is widely used in industries such as:

• Petrochemical and Refining Industries: For heat exchangers, process piping, and furnace tubes.
• Power Generation: Used in steam generators, reheaters, and superheaters.
• Chemical Processing: Ideal for high-temperature corrosive environments.
• Industrial Furnaces: For structural supports and radiant tubes.

Chemical Composition (Typical Values):

• Nickel (Ni): 30.0–35.0%
• Chromium (Cr): 19.0–23.0%
• Iron (Fe): Balance
• Carbon (C): 0.05–0.10%
• Aluminum (Al): 0.15–0.60%
• Titanium (Ti): 0.15–0.60%

Mechanical Properties:

• Tensile Strength: ≥ 75 ksi (515 MPa)
• Yield Strength: ≥ 30 ksi (205 MPa)
• Elongation: ≥ 30%