Overview
EN ISO 15609-3:2004 - Specification and qualification of welding procedures for metallic materials - Part 3: Electron beam welding (EBW) - specifies the required content of a Welding Procedure Specification (WPS) for electron beam welding. Adopted by CEN and identical to ISO 15609-3:2004, this part of the ISO 15609 series defines the variables and documentation needed to describe and control EBW processes so welded joints meet intended quality and mechanical properties.
Key topics and requirements
The standard focuses on the content of a WPS for EBW and the variables that influence weld quality. Important, high-level topics typically covered include:
- Process identification: designation of electron beam welding as the welding process in the WPS (EN ISO 15609-3:2004).
- Variables that affect joint quality, such as:
- Process parameters (beam power/energy input, beam current/voltage, focus, travel speed)
- Joint design and fit-up (edge preparation, gap, alignment)
- Material and filler information (base material grade, any consumables if used)
- Environment and equipment (vacuum level/atmosphere control, machine settings)
- Thermal control (preheat/postheat, interpass temperature where applicable)
- Inspection and acceptance criteria (NDT methods, dimensional tolerances)
- Documentation elements required for a compliant WPS: clear recording of chosen variables, ranges, weld positions, and reference to qualification records.
- Emphasis on listing variables that influence welded joint properties so the WPS can be used for repeatable production and qualification.
Note: EN ISO 15609-3:2004 specifies the content of the WPS; it does not itself provide numerical acceptance limits or replace qualification testing.
Applications and users
This standard is practical for:
- Welding engineers and procedure writers preparing EBW WPS documents.
- Quality managers and inspectors ensuring welding documentation covers all relevant variables.
- Manufacturers and fabricators using EBW in sectors such as aerospace, automotive, nuclear, medical devices, and high-precision engineering.
- Certification bodies and auditors verifying compliance of welding documentation with recognized standards.
Using EN ISO 15609-3:2004 helps organizations create consistent, traceable WPSs that support process control, repeatability, and qualification of electron beam welds.
Related standards
- EN/ISO 15609 series (other parts cover different welding processes)
- Relevant welding qualification and NDT standards (refer to organization-specific or industry-specific documents for testing and acceptance criteria)
Keywords: EN ISO 15609-3:2004, electron beam welding, WPS, welding procedure specification, welding qualification, welding parameters, metallic materials, welding quality.
