Standards and Codes


Pressure vessels and piping

Standards

  • PED 2014/68/EU
  • EN ISO 13445
  • PD5500
  • AD2000
  • ASME VIII DIV.1
  • EN 13480
  • EN 14015
  • EN 13458
  • EN 13530

Other steel structures

Standards

  • EN 1090-1
  • Execution classes EXC1, EXC2 and EXC3
  • Declaration of essential characteristics ZA.3.3 and ZA.3.4

 

Example of materials used

  • P355NL2, 15Mo3, SA-333 Gr6, A516 Gr 70, A508 Gr3 pressure vessel steels
  • 10CrMo9-10, 12CrMo5, 13CrMo4-4, X12CrMo5, ASME SA-335M Gr.P5, SA-387 Gr.91 Cl.2, X10CrMoVNb91, SA182 GR.F91 steels for high temperature service
  • 1.4301, 1.4404, 1.4541, 1.4539, 1.4547, 1.4951 stainless steels
  • X7Ni9 nickel steel for cryogenic applications
  • 1.4462, 1.4410, 1.4362, 1.4162 duplex steels
  • Inconell 625 ASTM B443 Gr.1 corrosion and oxidation-resistant steel
  • Ti Gr.2, Ti Gr.12 ASTM B337/B861 titanium grades
 

Welding processes and related standards and codes

Welding processes

  • Submerged arc welding 121. 121/123, 122 (SAW) manipulators and tractors.
  • Electro-slag welding 72 (ESW)
  • Manual arc welding 136, 135, 131 (FCAW, MIG, MAG)
  • Shielded metal arc welding 111 (SMAW)
  • Manual gas tungsten arc welding and orbital welding 141, 142 (GTAW)
  • Plasma arc welding 15 (PAW)

Standards and codes

  • Welding procedure qualification EN ISO 15614-1, -7, -8
  • Welder qualification tests EN ISO 9606-1, EN ISO 14732
  • Marine classification society rules (DNV GL, ABS, LR, BV, RMRS)

WPQ supervised by Notified Body and necessary testing made by accredited third party testing laboratory. Welder qualification tests supervised by accredited third party.

Other

  • ISO 9001:2015, ISO 3834-2:2005, ISO 14001:2015, EN 1090-1:2009 certificates
  • Achilles JQS certificate
  • DNV GL Welding Workshop Approval Certificate