Incoloy 800H High-Temperature Plates: Ideal for Heat Exchangers & Nuclear Reactor Components

Incoloy 800H is a nickel-iron-chromium alloy known for its exceptional high-temperature strength, oxidation resistance, and corrosion resistance. Conforming to ASTM B409, Incoloy 800H plates are widely used in demanding applications such as heat exchangers, nuclear reactors, and industrial furnaces. This article explores the key properties, applications, and user needs for Incoloy 800H plates.

Key Properties of Incoloy 800H

High-Temperature Performance – Maintains strength and stability at temperatures up to 1500°F (815°C).

Oxidation & Carburization Resistance – Resists scaling and degradation in extreme environments.

Excellent Creep Resistance – Ideal for long-term exposure to high stress and heat.

Corrosion Resistance – Performs well in acidic, alkaline, and chloride-rich conditions.

ASTM B409 Compliance – Ensures material consistency, quality, and reliability.

Applications of Incoloy 800H Plates

1. Heat Exchangers

Incoloy 800H is widely used in shell-and-tube heat exchangers and plate heat exchangers due to its ability to withstand thermal cycling and aggressive media. Its resistance to stress corrosion cracking (SCC) makes it suitable for chemical processing and power plants.

2. Nuclear Reactor Components

The alloy’s low carbon content and high nickel-chromium composition make it ideal for nuclear reactor cores, steam generator tubes, and pressure vessels. It resists radiation-induced embrittlement and maintains structural integrity under extreme conditions.

3. Industrial Furnaces & Petrochemical Equipment

Incoloy 800H plates are used in reformer furnaces, pyrolysis units, and ethylene crackers where high-temperature stability is critical.

User Needs & Industry Demand

Industries requiring high-temperature, corrosion-resistant materials prioritize Incoloy 800H for:

Longevity & Reliability – Reduces maintenance costs and downtime.

Safety Compliance – Essential for nuclear and chemical applications.

Cost Efficiency – Though premium-priced, its durability offers long-term savings.

Custom Fabrication – Available in various thicknesses and dimensions per ASTM B409.

FAQ:

Q: What is DLX Incoloy Alloy?

A: DLX Incoloy Alloy is a high-performance nickel-chromium alloy that is resistant to high-temperature corrosion and oxidation. It is commonly used in applications such as gas turbines, chemical processing, and nuclear reactors.

Q: What is the composition of DLX Incoloy Alloy?

A: DLX Incoloy Alloy consists of nickel, chromium, iron, and smaller amounts of other metals such as molybdenum, titanium, and aluminum. The exact composition can vary depending on the specific grade of Incoloy Alloy.

Q: What are the advantages of using DLX Incoloy Alloy?

A: DLX Incoloy Alloy has excellent resistance to high-temperature corrosion and oxidation, making it ideal for use in harsh environments. It also has good mechanical properties at both high and low temperatures, and is highly resistant to cracking and stress-corrosion.

Q: Where is DLX Incoloy Alloy manufactured?

A: DLX Incoloy Alloy is manufactured in China, where it is produced to strict quality control standards to ensure consistent performance and reliability.

Q: What are some common applications for DLX Incoloy Alloy?

A: DLX Incoloy Alloy is commonly used in applications such as gas turbines, chemical processing, and nuclear reactors. It is also used in the aerospace industry for parts such as exhaust nozzles and afterburner parts.