We supply below listed quality control documents as per customer choice.

1- ITP (Inspection Test Plan)
2- WPS (Welding Procedure Specificaiton)
3- PQR (Procedure Qualificaiton Record)
4- WPQ (Welder Performance Qualificaiton)
5- Non-destructive testings (VT, PT, MT, UT, RT, Boroscope, Delta Ferrite Test, Dry Film Thickness Measurement, Ultrasonic Material Thickness Measurement)
6- Destructive testings (Tensile test, bend test, hardness test, macrostructure examination, microstructure examination, chemical analysis test)
7- Measurement controls (Totalstation, Nivo, Teodolite)

The quality equipments we use are operated by Günak certified staff and calibrated as per EN 17025 by accredited labs.

Günak is professional on below listed codes and Standards :

  • ASME CODE Section I
  • ASME CODE Section VIII. Division 1-2
  • ASME CODE B 31.1
  • ASME CODE B 31.3
  • ASME CODE Section II,V,IX
  • AD 2000 - Merkblatt
  • EN 13445
  • API 650
  • API 620
  • API 5 L
  • TRD 200
  • AWS D1.1
  • EN 1090
  • BS - PD 5500
  • PED - 9723/EC
  • PED - 87/404/EEC