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.

Sumitomo wins awards

On 18 September Sumitomo Metal Industries Ltd (Sumitomo Metals), Sumitomo Metals (Naoetsu) Ltd (Naoetsu), and Sumitomo Metals (Kokura) Ltd (Kokura) received three awards at the 32nd Technical Development Awards from the Japan Institute of Metals as the Sumitomo Metals Group.

Cronitect® steel

The Schaeffler Group has launched a high-performance stainless steel for rolling bearings.

U-Bend manufacturing center

RathGibson, a manufacturer of welded, welded and drawn, and seamless stainless steel, nickel, and titanium tubing, has incorporated an in-line U-Bend manufacturing center to produce ultra low stress feedwater heater tubing.

“Antibacterial” stainless steel tableware

On 9 June Baosteel Group, as the global partner of World Expo, presented 2010 pieces of tableware made of antibacterial material to World Expo Shanghai, to serve the distinguished guests from all over the world with delicate and reassuring products and services.

Beta titanium alloys

Researchers in The Netherlands are investigating Beta titanium alloys that exhibit toughness properties similar to transformation-induced plasticity (TRIP) steels.

BUTTING HeRo®

The BUTTING HeRo® (short for heat-resisting roller) is an uncooled furnace roller which is used in heat treatment furnaces for steel plates and slabs

Heat Treating of Light Alloys Conference

Held 25-26 March 2009 at the Doubletree Hotel in Anaheim, California, US, the "Heat Treating of Light Alloys" program will cover advances in the heat treating of titanium, aluminum, and next generation composites.

Stalatube hires Brask

In December 2008 product development engineer Lari Brask (27), M.Sc. (Eng.) started working for Stalatube.

In-Line U-Bend manufacturing center

RathGibson, a manufacturer of welded, welded and drawn, and seamless stainless steel, nickel, and titanium tubing, has incorporated an in-line U-Bend manufacturing center into their Janesville, Wisconsin facility.

Sumitomo 347AP

Austenitic stainless steels such as TP321 and TP347 are widely used to make equipment for use in desulferizing plants in the petroleum refinery industry.


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.