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.

Acroni orders furnace technology from SMS Siemag

SMS Siemag, Germany, will deliver a heat treatment line and revamp a stainless steel annealing and picking line for the Slovenian steelmaker Acroni. As part of the heat treatment line, SMS Siemag will install the newly developed MultiFlex-Quench for the first time.

JSL to supply stainless steel for ITER project

Jindal Stainless Limited (JSL) has been selected by the International Thermonuclear Experimental Reactor (ITER) to supply stainless steel for the Cryostat Project.
 
ITER Cryostat is a large-scale scientific experiment that strives to produce energy commercially from fusion.

Book launch in Milan: new manual for stainless steel

newsitem On Wednesday, 7th May, close on 200 people attended the official launch of a new manual on stainless steels, the result of a fruitful cooperation between the Polytechnic of Milan and the Lucefin Group.

India’s latest integrated steel mill

Jailaxmi Special Steels is India’s latest integrated steel mill producing alloys, stainless steel (AISI 410/420) and carbon steel long products.

The process route that the mill uses is: EIF/LD converter, ladle refining furnace, vacuum degassing, con-cast, rolling, heat treatment–annealing, and bright bars etc.

ANDRITZ to deliver heat treatment plant to Kardemir

International technology group ANDRITZ has received an order from the Turkish steel producer Karabük Iron & Steel Industry and Trade (Kardemir) to supply a heat treatment plant for a wheel manufacturing line.

Tejas Tubular to construct Indiana facility

Tejas Tubular Products plans to construct a new facility in New Carlisle, Indiana. This facility will focus on heat treatment and manufacturing of 4 ½” through 9 5/8” OD well casing for the oil and gas industry.

Arc Energy Resources to clad Vulcan SFM wye pieces

Arc Energy Resources, a weld overlay cladding specialist, has completed a contract to apply a corrosion resistant surface to the internal bores of two forged wye pieces destined for BP’s Clair Ridge development west of Shetland in the North Sea.

Tecninox’s Borile selected by NORSOK Committee

Tecninox’s Quality Manager, Sergio Borile, has been chosen by Standards Norway to act as advisor to the NORSOK Standards Revision Committee. Borile’s expertise has been sought after by the Committee as a result of his continuous application of the NORSOK Standards, which are implemented on a daily basis at Tecninox.

Silver-edged fittings

The 20th of May marks the 25th anniversary of the inauguration of Tecninox Srl, manufacturer of butt weld fittings in stainless steel, duplex, superduplex and special alloys. Since its foundation in 1988, Tecninox has come a long way in reaching and surpassing the objectives that it originally set out to achieve.

Statoil awards SSF

Stainless Steel Fasteners Ltd (SSF), a leading UK manufacturer of high-integrity specialist fasteners, is the first fastener manufacturing company to be awarded NORSOK M-650 accreditation by Statoil ASA. SSF has been qualified for the hot forging of its range of super duplex stainless steel fasteners.


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.