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POST WELD HEAT TREATMENT SERVICES
LOCAL STRESS RELIEVING (LSR) / NORMALISING / ANNEALING
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POST WELD HEAT TREATMENT SERVICES
(DIRECT INTERNAL FIRING / EXTERNAL FURNACE FIRING)
HAL's vastly experienced personnel using our High Velocity Burners can perform Post Weld Heat Treatment for a large variety of tanks, LPG bullets, pressure vessels, spheres and welded fabrication structures. One of the ways this is achieved is by constructing a temporary furnace around the items to be treated. The other way is to apply insulation directly onto the outer surface while turning the item into its own furnace, thereby ensuring the achievement of a uniform temperature so that even the highest standards and specifications are comfortably satisfied.
Our High Velocity Burner, when inserted into the vessel through a suitable manway, provides the adequate heat treatment. It is imperative that throughout the heating and cooling cycles, the expansion and contraction of the vessel must be closely monitored and controlled to avoid any distortion of the structure.
Post Weld Heat Treatment will be carried out and achieve several milestones, as per the approved specified cycle of the various vessels / equipment.
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