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Welding Procedures

WPQR Qualification

We offer WPQR qualification (welding procedures) through our supplier DNV.

HSP Inspection provides follow-up at customer sites, while DNV makes decisions, approves, and issues WPQR certificates.

Relevant Standards for Qualification

  • NS-EN ISO 15614 series from 1 to 14
  • NS-EN ISO 15613
  • NS-EN ISO 17660-1 (Load-bearing reinforcement steel)
  • NS-EN ISO 17660-2 (Non-load-bearing reinforcement steel)
  • NS-EN 13134 (Brazing)

Examples of Standards for Additional Requirements

  • ASME IX
  • Norsok M-101/M-601
  • DNV Rules