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Heat Treatment Services

Pre Heating
When welding some base materials and for some service conditions, preheating and/or post weld heat treatment may be a requirement. These types of thermal treatments are generally required in order to ensure suitable weld integrity and will typically prevent or remove undesirable characteristics in the completed weld. Any form of heat treatment is costly since it demands extra equipment, extra time, and extra handling. For these reasons, heat treatment should only be undertaken after careful consideration of the advantages it may offer. In certain cases heat treatment will be mandatory, as with heavy sections of low alloy steels, whereas in other cases, it will be a justifiable precaution against early failure in service.
Post Weld Heat Treatment Services
Post Weld Heat Treatment Services is defined as the stress relieving method after welding to improve the mechanical and chemical properties of welds. There are different ways of performing PWHT like local heat treatment and furnace heat treatment. We have skilled and highly experienced personnel available to perform Heat Treatment. Machining and/or Welding induce stresses in parts. The bigger and more complex the part, the more the stresses. These stresses can cause distortions in the part in long term. If the parts are clamped in service,then cracking could occur. Also whole locations can change causing them to go out of tolerance. For these reasons, stress relieving is often necessary

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