PWHT on khomeyn spherical tank

PWHT on spherical tank in Khomeyn-IRAN – Sep 2019

Heat treatment on spherical tank in Khomeyn, Markazi Iran that accomplished by Hamedsoft engineering company in 18 Sep 2019. Tank detailed as below:

  • Dia : ~21000 mm
  • Maximum Thickness: 48mm
  • Average heating rate: 71’C/Hh
  • Holding temperature: 599 ~ 642 ‘C
  • Average cooling rate: 68’C/hr


NDT and Advanced NDT

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Spherical Tank

PWHT on spherical Tank

Post Weld Heat Treatment ( PWHT) reduces the residual stresses formed during welding. It also restores the macro structure of ...
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