The Scope
ISO 3834 certification verifies that an organisation has established and implemented appropriate quality requirements for the fusion welding of metallic materials. The certification assesses the controls, procedures, resources, and competencies required to manage welding as a special process, ensuring that welded products consistently meet specified quality, safety, and performance requirements.
The certification applies to both workshop and site-based welding activities and supports the production of welded structures, components, equipment, and systems across a wide range of industries.
The Standard
This certification is based on:
ISO 3834 – Quality Requirements for Fusion Welding of Metallic Materials
Applicable welding quality management requirements
Relevant industry codes and standards
Requirements supporting compliance with:
- Pressure Equipment Directive (PED) 97/23/EC
- Construction Products Directive (CPD) 89/106/EC
- Simple Pressure Vessels Directive 2009/105/EC
Integration with ISO 9001 Quality Management Systems where applicable
Welding procedures & controls
Qualification of welding personnel
Welding coordination responsibilities
Inspection and testing activities
Material traceability
Equipment calibration & maintenance
Quality documentation & records
Process control throughout fabrication & installation
Who Should Apply
ISO 3834 certification is suitable for organisations that perform fusion welding of metallic materials as part of their manufacturing, fabrication, construction, or installation activities.
The certification is particularly relevant for:
Fabrication and Manufacturing Companies
Structural Steel Contractors
Pressure Vessel Manufacturers
Pipeline Construction Companies
Shipbuilding & Ship Repair Yards
Offshore and Marine Contractors
Railway Manufacturers
Oil & Gas Contractors
Energy and Power Generation Companies
EPC Contractors
Construction and Infrastructure Companies
Metalworking and Heavy Engineering Companies
This certification is ideal for organisations seeking to demonstrate control of welding processes, improve product quality, comply with contractual and regulatory requirements, support ISO 9001 implementation, enhance customer confidence, and ensure the integrity and reliability of welded products and structures.