Qualification is categorized into four distinct classes based on the complexity and criticality of the defense product:
Specific Welding Procedure Specifications (WPS) must be verified through Procedure Qualification Records (PQR) to prove that the chosen methods result in welds that meet military specifications. Quality Management: din 2303 pdf
"DIN 2303 has been withdrawn. We propose replacing it with DIN EN ISO 23277 (PT) and DIN EN ISO 23278 (MT), which maintain equivalent acceptance level for surface imperfections." DIN 2303 specifically addresses the unique
Unlike general welding standards like ISO 3834, DIN 2303 specifically addresses the unique, high-stress environments of military applications. It establishes minimum requirements for quality systems and provides a methodology for within the defense sector. din 2303 pdf