ISO 3834 CertificationQuality Requirements for Fusion Welding
Prove your welding and fabrication processes are properly controlled with ISO 3834 welding quality certification.
management system
What is ISO 3834?
ISO 3834 defines quality requirements for fusion welding of metallic materials, in the workshop and on site. It covers welding personnel, procedures, equipment, inspection and records, at comprehensive, standard or elementary level.
Who is it for?
- Steel fabricators and erectors
- Pressure equipment manufacturers
- Pipeline and piping contractors
- Oil, gas and industrial workshops
Benefits of ISO 3834
Reliable welds
Controlled procedures and qualified welders.
Tender advantage
Often required for EN 1090 and major projects.
Full traceability
Records from material to final inspection.
What ISO 3834 Covers
Main areas assessed during the certification audit.
How to Get ISO 3834 Certified
Application
Submit an application with details of your organisation, sites, scope and standard(s).
Quotation & agreement
We review the application, confirm audit duration and send a quotation and certification agreement.
Stage 1 audit
Review of your documentation and readiness for the Stage 2 audit.
Stage 2 audit
On‑site audit to evaluate the implementation and effectiveness of your management system.
Certification decision
Independent review of audit results and, once any non‑conformities are closed, certificate issue.
Surveillance audits
Periodic audits to confirm your system continues to meet the standard while you are certified.
Recertification
A recertification audit before your certificate expires to renew your certification.
Training for Your Team
Awareness, internal auditor and lead auditor courses for ISO 3834 and other standards.
View ISO coursesFrequently Asked Questions
It depends on your organisation’s size, complexity and readiness. After reviewing your application we will give you a clear timeline.
Certificate validity depends on the type of certification and the scheme requirements. The validity period is confirmed in your certification agreement and shown on your certificate, and certification is maintained through surveillance audits.
Yes. It can be audited together with other ISO management system standards in an integrated audit.