Stress Relieving
Cincinnati Steel Treating (CST) offers stress relieving heat treatments for a vast swath of metal products including cast iron, welded fabrications, steel components, and non-ferrous metal parts including aluminum, copper, and titanium. CST can perform stress relieving operations in accordance with multiple quality systems including ISO 9001, IATF 1649, and ITAR.
Cincinnati Steel Treating (CST) provides quality stress relieving services from our well-equipped metal treating facility in S.W. Ohio. Stress relieving of forgings, castings and weldments is accomplished in one of our three car bottom furnaces. Special stress relieving cycles can be accomplished in one of our smaller pit furnaces.
Stress relieving and annealing are very similar heat treatment processes. The temperatures used as well as the thermal processing steps followed are often the same. The essential difference between the two is the goal of the heat treatment. Annealing is used to soften or alter the grain structure of metal for improved formability and machinability, while stress relieving is performed for exactly the reason that the name suggests – to relieve the stresses inside the material. Stresses can be introduced into metal components from a large number of manufacturing processes including machining, welding, or thermal processes such as quenching. Heating the metal to a high temperature (i.e. stress relieving) facilitates recovery and recrystallation in the microstucture of the material, removing the residual stresses. Typical temperatures used in a stress relief heat treatment are between 1100 and 1250°F.
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Stress Relieving Applications
Stress relieving is a necessary step in many manufacturing processes. Welded fabrications have to be stress relieved after the completion of welding. Forgings, castings, or extrusions that have complex shapes have to be stress relieved before they can be heat treated. Metal components that have a lot of stock machined or ground off of them have to be stress relieved. Flat sheet that is deep drawn into a shape that exceeds the formability limits of the steel has to be stress relieved in between stamping operations.
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For over 80 years, we’ve helped our clients across many industries improve production time and parts performance, quickly and efficiently. Turnaround times are fast and quality control is precise. As your outsourcing partner, we provide solutions to take your results to the next level.