Alloy 330 UNS N08330: Properties, Applications, and Benefits

Alloy 330 UNS N08330 is a nickel-iron-chromium austenitic stainless steel known for its outstanding resistance to oxidation and carburization. This high-performance alloy retains excellent strength at elevated temperatures, making it a preferred choice for demanding industrial environments. Its unique composition ensures reliability in both continuous and cyclic high-temperature operations.

Exceptional High-Temperature Performance

The material maintains structural integrity up to 2200°F (1200°C), resisting distortion and degradation under thermal stress. Its low thermal expansion coefficient minimizes dimensional changes during temperature fluctuations, ensuring long-term stability in critical applications.

Superior Corrosion Resistance

Alloy 330 demonstrates remarkable resistance to oxidation, carburization, and nitriding atmospheres. The high nickel content provides protection against chloride stress corrosion cracking, while chromium enhances scaling resistance in sulfur-containing environments.

Key Applications Across Industries

This versatile alloy serves multiple sectors with equal effectiveness:

Heat Treatment Equipment

Widely used in radiant tubes, retorts, and furnace muffles due to its carburization resistance. The material withstands repeated thermal cycling in annealing and carburizing furnaces without compromising performance.

Chemical Processing Systems

Ideal for reactor vessels, heat exchangers, and transfer lines handling corrosive media. The alloy’s composition prevents contamination in high-purity processing applications.

Frequently Asked Questions

What makes Alloy 330 suitable for extreme temperatures?

The balanced nickel-chromium composition creates a stable oxide layer that protects against oxidation and scaling up to 2200°F.

Can Alloy 330 withstand thermal cycling?

Yes, its low thermal expansion coefficient and high strength at elevated temperatures make it perfect for applications involving repeated heating and cooling cycles.

Maximize Your Project Performance

Discover how Alloy 330 UNS N08330 can enhance your high-temperature applications. Our technical experts are ready to help you select the ideal material solution for your specific requirements. Contact us today for personalized consultation and material samples.