Why Choose Incoloy 800H?

Here’s a concise product introduction for Incoloy 800H in English:

Product Overview: Incoloy 800H

Incoloy 800H is a nickel-iron-chromium alloy specifically designed for use in high-temperature environments where strength, resistance to oxidation, and stability are critical. As an enhanced version of Incoloy 800, this alloy exhibits improved creep and stress rupture properties due to its optimized carbon content and grain size. Its versatility makes it a reliable choice for demanding industrial applications.

Key Features

Exceptional High-Temperature Strength

• Maintains excellent mechanical properties up to 1100°C (2010°F).
• Superior creep resistance for long-term service in extreme conditions.

Outstanding Corrosion and Oxidation Resistance

• Resists oxidation and carburization in high-temperature environments.
• Performs well in sulfur-containing and other aggressive atmospheres.

Microstructural Stability

• Maintains structural integrity over prolonged exposure to elevated temperatures.

Ease of Fabrication

• Excellent weldability and machinability for complex component manufacturing.

Chemical Composition

• Nickel (Ni): 30.0-35.0%
• Chromium (Cr): 19.0-23.0%
• Iron (Fe): Balance
• Carbon (C): 0.05-0.10%
• Manganese (Mn): ≤ 1.5%
• Silicon (Si): ≤ 1.0%
• Aluminum (Al): ≤ 0.15%
• Titanium (Ti): ≤ 0.15%

Applications

Incoloy 800H is widely used in industries where high temperatures and corrosive environments are prevalent, such as:

• Petrochemical Processing: Furnace tubes, heat exchangers, and reactors.
• Energy Production: Superheaters, reheaters, and steam generator tubing in power plants.
• Nuclear Industry: Heat exchangers and structural components in nuclear reactors.
• Heat Treatment: Fixtures, trays, and furnace components.

Standards and Specifications

• ASTM: B409, B408
• ASME: SB-409, SB-408
• DIN: 1.4876
• UNS: N08810

Why Choose Incoloy 800H?

Incoloy 800H offers a combination of high-temperature strength, resistance to oxidation and carburization, and structural stability, making it a trusted material for critical industrial applications. Its ease of fabrication further ensures cost-effective and reliable solutions for modern engineering challenges.

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