Technical Resources

Product Overview: Alloy 600

An In-Depth Overview of its Applications, Mechanical Properties, and Chemical Composition

In the realm of high-performance alloys, Alloy 600 stands out as a versatile and widely-used material. With excellent mechanical properties, corrosion resistance and high-temperature capabilities, Alloy 600 has gained significant popularity across various industries.

In this article, we’ll delve into the applications, mechanical properties, chemical composition, and characteristics of Alloy 600, providing valuable insights for readers seeking a comprehensive understanding of this remarkable alloy.

What is Alloy 600?

Alloy 600, often referred to as Inconel® 600, is a nickel-chromium grade alloy that is perfect for use in a wide range of industries.

Applications of Alloy 600

Thanks to its exceptional properties, Alloy 600 is used across a range of industries. Here are some of its key applications:

Petrochemical & Refineries

Alloy 600 is commonly used for air preheaters and catalyst regenerators in processing equipment.  Its resistance to corrosion and ability to withstand aggressive chemical environments make it an ideal choice in this industry.

Aerospace Industry

In the aerospace industry, Alloy 600 is utilized in high temperature airframe components and engine components, such as combustion-can liners, diffuser assemblies, engine igniters and exhaust systems. Its high strength and resistance to oxidation are vital for ensuring the integrity and performance of aerospace equipment.

Chemical Processing

The excellent corrosion resistance of Alloy 600 also makes it suitable for applications in chemical processing plants. It is used in equipment such as heaters, bubble towers, evaporator tubes, pumps and valves. It is also used in equipment for the manufacture of paper pulp, where resistance to corrosive chemicals and high temperatures is crucial.

Heat Treatment Industry

Finally and perhaps the most common application, Alloy 600’s resistance to high-temperature environments makes it an ideal choice for heat treatment furnace components, including baskets, trays, muffles, retorts, and roller hearths. Its ability to maintain dimensional stability under extreme heat conditions is invaluable in this industry.

Mechanical Properties of Alloy 600

Alloy 600 exhibits exceptional mechanical properties, which contribute to its wide range of applications. Here are some key characteristics:

High-Temperature Strength

Demonstrating remarkable strength and stability at elevated temperatures, Alloy 600 retains its mechanical properties even in extreme environments, making it well-suited for high-temperature applications.

Corrosion Resistance

Alloy 600 boasts excellent corrosion resistance, including resistance to chloride-ion stress corrosion cracking, oxidation, and scaling at high temperatures. This property ensures the longevity and reliability of equipment made from Alloy 600.

Thermal Expansion

The low thermal expansion coefficient of Alloy 600 allows it to maintain dimensional stability under varying temperature conditions. This characteristic is crucial in applications where dimensional integrity is essential.

Electrical Conductivity

Alloy 600 exhibits good electrical conductivity, making it suitable for electrical resistance heating elements and thermocouples. Its electrical properties contribute to its effectiveness in various industrial applications.

Chemical Composition of Alloy 600

It’s safe to say that Alloy 600 is versatile with its broad mechanical properties, making it suitable for so many applications. But what exactly makes it able to perform so well?

The chemical composition of Alloy 600 includes the following elements:

Nickel (Ni):

With a nickel content of approximately 72%, Alloy 600 possesses exceptional corrosion resistance and high-temperature strength. Nickel is the primary alloying element in Alloy 600.

Chromium (Cr):

The presence of chromium (14-17%) in Alloy 600 enhances its resistance to oxidation and sulphur-containing environments. Chromium contributes to Alloy 600’s ability to withstand high-temperature oxidation.

Iron (Fe):

Iron (6-10%) is the third most abundant element in Alloy 600, contributing to its mechanical strength and overall stability. Iron, along with nickel and chromium, forms the base of Alloy 600.

Other Elements:

Alloy 600 also contains small amounts of manganese, silicon, copper, carbon and sulphur. These elements further enhance Alloy 600’s properties, such as its formability and resistance to specific corrosive environments.

Alloy 600, with its exceptional mechanical properties, corrosion resistance, and high-temperature capabilities, has become the material of choice across various industries. Its many applications span from the petrochemical and refineries industry to aerospace, chemical processing, and heat treatment industries. 

With its unique composition and characteristics, Alloy 600 provides reliability, longevity, and performance in demanding environments. Whether it’s resisting corrosion, maintaining strength at high temperatures, or delivering electrical conductivity, Alloy 600 is a remarkable alloy that continues to drive innovation and progress across multiple sectors.

Find out more on our Alloy 600 product page or request a quote for purchasing Alloy 600 using the button below.