Alloy 825 UNS N08825: Properties, Applications, and Benefits

Alloy 825 UNS N08825 is a nickel-iron-chromium superalloy with additions of molybdenum and copper. Known for excellent resistance to corrosion, oxidation, and high temperatures, it is widely used across demanding industrial sectors.

Key Properties of Alloy 825

The material offers outstanding mechanical strength and stability in both oxidizing and reducing environments. Its composition ensures resistance to stress-corrosion cracking and pitting, making it suitable for harsh chemical processing applications.

High-Temperature Performance

Alloy 825 maintains integrity and corrosion resistance at elevated temperatures up to 540°C, ideal for heat exchangers and furnace components.

Common Applications

This alloy is extensively used in chemical processing, nuclear fuel reprocessing, acid production, and offshore oil and gas equipment. Its versatility also extends to pollution control and pickling equipment systems.

Benefits of Using Alloy 825

Key advantages include longevity in corrosive settings, reduced maintenance costs, and reliability under thermal and mechanical stress. Industries benefit from enhanced safety and operational efficiency.

Frequently Asked Questions

What is Alloy 825 UNS N08825 best used for?

It is optimal for environments involving sulfuric and phosphoric acids, seawater, and high chloride exposures.

How does it compare to stainless steel?

It offers superior corrosion and oxidation resistance, especially in acidic and high-temperature conditions.

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