Equipment for local and volumetric PWHT (heat treatment of welded joints)
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Out-of-furnace heat treatment of the column body welds

01.07.2026
Our specialists successfully performed off-furnace heat treatment of the column body welds at the customer's site.
Объемная термообработка сварных швов части колонны
The heat treatment was carried out according to the high-release mode, in order to reduce the level of residual welding stresses and increase the corrosion resistance.

 The process was carried out in strict accordance with the approved technological regulations. All the parameters of the heat treatment were strictly observed:

Heating was carried out at a rate of no more than 200 °C per hour;
The temperature was maintained for 1 hour at 580–620 °C;
The cooling was carried out at a rate of no more than 200 °C per hour.

Thanks to the coordinated work of our highly qualified employees, as well as the use of reliable heat treatment equipment, all technical parameters were maintained with high accuracy, which is confirmed by the data from the control and measuring instruments.
График термообработки сварных швов
We are proud of our team's professionalism and continue to solve various tasks in the field of weld heat treatment!


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