GSI – Gesellschaft für Schweißtechnik international mbH
SLV – Schweißtechnische Lehr- und Versuchsanstalten
Schweißtechnik - WeiterbildungschweißenSchweißtechnik Indrustrie


The NIL (Dutch Association of welding) invited the EWF (European Welding Federation) to Rotterdam for the annual meeting in May 2014. The highlight of this event was the meeting place.  The historical cruise ship “SS Rotterdam”, which served as both the meeting place and as the participant’s hotel.

More than 40 participants from 20 countries took part in the event, including Dr. Roland Boecking, chief executive of the DVS and Martin Lehmann, Chief Executive of the Authorised National Body (ANB) in Germany (DVS PersZert) and Dr. Klaus Middeldorf, CEO of GSI and treasurer of the EWF and…

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Japanese arc physicist visited the SLV Duisburg

Speaking at a meeting of the Standards Committee ISO/TC44/SC10-11 in Berlin made Prof. Yoshinori Hirata (a recognized arc physicist at Osaka University) the good contacts with Dr. Klaus Middeldorf, CEO of GSI mbH, to share their experiences about the practical application of new welder qualification test standard ISO 9606-1 in the SLV Duisburg.

In preparation for the implementation of ISO 9606-1 in the national rules of the JWES (Japan Welding Engineering Society) took place the first welder qualification tests in Japan last year. The…

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