Incoloy 800H: Corrosion-Proof in Petrochemical Media

Introduction
Incoloy 800H is a high-performance nickel-chromium-iron alloy known for its exceptional resistance to oxidation, carburization, and high-temperature corrosion, making it an ideal material for the petrochemical, chemical processing, and power generation industries. This alloy maintains its mechanical strength at elevated temperatures, providing reliable performance in demanding environments.

Applications
Incoloy 800H is primarily used in applications where high-temperature resistance, excellent corrosion protection, and long-term durability are essential. Its key applications include:

• Heat exchangers

• Gas turbines and components

• Furnace components

• Chemical reactors and equipment exposed to high-temperature environments

• Petrochemical processing units

Features

1. High-Temperature Strength: Incoloy 800H maintains its mechanical properties at temperatures up to 1100°C (2012°F), making it ideal for high-heat environments.

2. Superior Corrosion Resistance: Exceptional resistance to oxidation, carburization, and sulfidation, particularly in petrochemical and chemical processing environments.

3. Long-Term Durability: The alloy’s stability under prolonged exposure to high-temperature and aggressive environments ensures long-lasting performance.

4. Resistant to Stress Corrosion Cracking: Incoloy 800H resists stress corrosion cracking, even in the presence of high-temperature hydrogen sulfide and chlorides.

5. Versatile in Harsh Environments: Its resistance to a wide range of corrosive media, including sulfur-bearing gases, acids, and alkalis, makes it suitable for harsh chemical environments.

Specifications

Material: Nickel-Chromium-Iron Alloy

Density: 8.0 g/cm³

Tensile Strength: 450 MPa

Yield Strength: 205 MPa

Elongation at Break: 40%

Hardness: 90 HRB

Chemical Composition:

• Nickel (Ni): 30-35%
• Chromium (Cr): 19-23%
• Iron (Fe): Balance
• Carbon (C): 0.05-0.10%
• Manganese (Mn): ≤1.5%
• Silicon (Si): ≤1.0%
• Copper (Cu): ≤0.5%

Summary
Incoloy 800H is the go-to material for industries needing exceptional high-temperature strength, corrosion resistance, and long-term performance in extreme petrochemical and chemical processing environments. Its ability to withstand high temperatures and aggressive media makes it indispensable in applications like heat exchangers, turbines, and reactor components.