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.

Duplex Excellence Award for Raymond Cordewener

 Raymond Cordewener was presented with the Duplex Excellence Award 2012 during the Duplex Seminar & Summit, which was held in Stresa (Italy) 26 & 27 September.

IPP Scomark gets BP Exploration Ltd approval

After an intensive 3 day survey of all aspects of Quality management Systems and Technical applications including manufacturing, heat treatment and testing procedures, IPP Scomark has been added to the BP Global Approved Vendor List to supply Duplex and Super Duplex materials.

SQuAD, new forging company in India

Aubert & Duval, a global player in large closed-die forgings, is teaming up with Setforge and QuEST to establish a joint venture company referred to as SQuAD Forging India Private Ltd.

TECNINOX wins a new NORSOK approval

  Piping components in duplex, super duplex (and 31254) used in Norwegian offshore activities have been constantly under very tight scrutiny due to the critical nature of the installations.

Simufact opens training center at University

Simufact Engineering GmbH will help launch a training center at Shenyang Ligong University in northeast China, following an agreement with the institution. Its local distributor, Sili-Tech Ltd, will provide assistance.

Vallourec acquires Zamil Pipes

Vallourec has reached an agreement to acquire Saudi Seamless Pipes Factory Co. Ltd (Zamil Pipes), the first processing company of seamless OCTG in Saudi Arabia.

HFW welded tube output over 1 million tonnes

Baosteel Co Ltd Steel Tube Business Unit’s total accumulative production volume of HFW welded tube has recently amounted to over 1 million tonnes. Thus the line has become the 1st single unit heavy caliber HFW line that broke through the production

New generation martensitic stainless steel

Baosteel has successfully developed a Nitrogen controlled high strength martensitic stainless steel with excellent hardness and corrosion resistance for cutting tools.

Plymouth Tube attains dual nadcap accreditation

Plymouth Tube Co.'s Salisbury Mill has attained Nadcap accreditation for both heat treating and material testing laboratories.

ThyssenKrupp investing in Siegen site

Over a three-month construction period, ThyssenKrupp VDM (Werdohl) modernized the batch-pickling unit at its Siegen site.


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.