Valid proof of suitability in the field of joining and welding technology which must be regularly renewed within the company by external inspectors (most of them by employees of a welding training and testing institute [SLV]). There are the classes B, C, D and E.
The class E available at MODERSOHN is the most comprehensive qualification for which a welding engineer is required as welding supervisor.
Formerly: so-called major welding certificate, welding qualification certificate, major qualification certificate.