Alloy 330 UNS N08330: Properties, Applications, and Benefits

Alloy 330 UNS N08330 is a high-performance austenitic nickel-iron-chromium alloy known for its exceptional resistance to oxidation and carburization at elevated temperatures. Its unique composition makes it a top choice for demanding industrial environments.

Key Properties of Alloy 330

This alloy offers outstanding strength and stability from cryogenic temperatures up to 2200°F (1200°C). It maintains excellent mechanical properties under thermal cycling and resists scale formation, making it ideal for prolonged high-heat applications.

Industrial Applications

Common uses include furnace components, heat treatment equipment, and radiant tubes. Its durability also makes it suitable for chemical processing, petrochemical, and power generation industries where thermal stability is critical.

Material Benefits

Alloy 330 provides superior oxidation resistance compared to standard stainless steels. It withstands repeated heating and cooling cycles without losing structural integrity, reducing maintenance costs and downtime.

Frequently Asked Questions

What makes Alloy 330 different from other high-temperature alloys?

Its balanced nickel-chromium composition provides exceptional carburization and oxidation resistance where other alloys might fail.

Can Alloy 330 be welded?

Yes, it offers good weldability using common techniques like GTAW and GMAW with matching filler metals.

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