Heattreatment on spherical tank

PWHT on Spherical tank in Arak petrochemical

PWHT on TK-810 , TK-811 in Shazand, Arak Petrochemical In Jan,2014

Tank Detail:

  • External Dia: 18m
  • Maximum Thickness: 50mm

PWHT Process detail:

  • Heating Rate: 52’C/Hr
  • Holding Temperature: 580~620 ‘C
  • Cooling Rate: 65’C/Hr

Ambient temperature during PWHT was -10’C


NDT and Advanced NDT

OUR CAPABILITIES NDT Test Ultrasonic ExaminationRadiography ExaminationPenetration ExaminationMagnetic Examinationvisual Examination Advanced NDT Phased Array UltrasonicTime Of Flight DiffractionMagnetic Flux LeakageVacuum ...
Read More


Pre Heating When welding some base materials and for some service conditions, preheating and/or post weld heat treatment may be ...
Read More

PWHT on pipeline

The Hamedsoft Heat Treatment Projects Division works in conjunction with our Engineering Services Department to deliver a comprehensive service for ...
Read More

PWHT on Towers and storage tank

Heat treating on towers and storage tank, vessels Post weld heat treatment on Towers in petrochemicals or refineries and doing ...
Read More
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 ...
Read More