Tag: Heat treatment of stainless steels

Heat treatment of stainless steels

Heat treatment is important for stainless steels as it enables the adjustment of their mechanical properties, such as hardness, strength, and ductility. It also enhances their corrosion resistance and relieves internal stresses, resulting in improved performance and suitability for various applications.

How heat treatment for stainless steels works

Heat treatment of stainless steels typically involves three main steps: heating, holding at a specific temperature, and cooling. The material is heated to a precise temperature to induce desired transformations in its microstructure. It is then held at that temperature for a specific duration to allow for the desired changes to occur. Finally, the material is cooled at a controlled rate, which determines the final properties of the stainless steel.

Potential big savings using Lean Duplex

When comparing prices for different stainless steel grades, current market conditions still hugely favor the use of Lean Duplexes. Potential weight savings is an extra bonus.

Featured Story – New titanium application: industrial gold extraction

A titanium-clad autoclave designed for extracting gold ore is under construction for eventual use in Russia. It represents a new industry application for titanium.

Are forming methods crucial for welded stainless steel pipes?

Various roll forming methods are available to produce welded stainless pipes. While W-Bend Forming and PSF (Partial Step Forming) techniques are now considered the standard, these methods were seen as novel and ground-breaking when first developed.

Tenova launches TRKSX SmartBurner

Tenova announced the accomplishment of a key milestone towards a more sustainable combustion process: the development of the first burners for heat treatment furnaces using up to 100% hydrogen while keeping NOx emissions largely below the strictest limits.

Featured Story – Innovating to meet client needs: Nippon Steel Corporation

Since their inception, Nippon Steel Corporation has been consistently raising the bar as a leading manufacturer with a wide range of world-leading capabilities, including the manufacture of seamless stainless steel pipes.

Posco wins bronze for laser welded tubes

Posco won a bronze prize in the annual ISSF Awards for its laser welded duplex stainless (329J4L) tube for gas gas heaters.

Featured Story – Sandvik Materials Technology – Innovative grades for the...

While the past eighteen months have seen many challenges for all companies, the Sandvik Materials Technology team had cause to celebrate.

Featured Story – Titanium industry eyes potentially lucrative market for the...

Ever in search of new business opportunities and high-end industrial applications, the titanium industry, through the work of the International Titanium Association’s (ITA) Industrial Applications Committee, has set its sights on promoting titanium as a material of choice for marine scrubbers— pollution control devices that are fitted on tankers, bulkers, cruise and intermodal cargo ships.

Superior Tube secures three Nadcap reaccreditations

Superior Tube has been awarded three prestigious Nadcap reaccreditations for its heat treating, welding, and non-destructive testing programs.

Featured Story – Chromeni Steels facility roars into stainless steel industry

Mr. Pratik Shah, Director of Chromeni Steels, has a prediction for 2020: “it’s going to be a good year for the company, for India, and for the global stainless steel trade.” Mr. Shah has cause for optimism. Early in 2019, construction had finished on Chromeni’s new production facility in record-breaking time, and their operation rang in the new year at full capacity.


Heat treatment is crucial for stainless steels due to several reasons. Firstly, it allows for the customization of the material’s mechanical properties. By subjecting the stainless steel to controlled heating and cooling processes, it is possible to achieve specific hardness, strength, toughness, and ductility levels tailored to the intended application. This enables the material to meet the required performance criteria, ensuring it can withstand various mechanical stresses and loads.

Secondly, heat treatment of stainless steels plays a vital role in enhancing the corrosion resistance of stainless steels. Certain heat treatment methods, such as solution treatment and aging, can refine the microstructure and promote the formation of corrosion-resistant phases, reducing the susceptibility to rust and other forms of degradation.

Heat treatment for stainless steels is essential for relieving internal stresses that may have been induced during manufacturing processes like welding or cold working. This stress relief minimizes the risk of cracking, distortion, or premature failure of the stainless steel components.

Heat treatment is a key process to optimize the mechanical properties, corrosion resistance, and structural integrity of stainless steels, ensuring their suitability for a wide range of applications in industries such as aerospace, automotive, construction, and manufacturing.