Arjan Roza Lastechniek BV.

Since 1998, because welding matters..........

Arjan Roza Lastechniek BV.

Working on perfection....

Changes in ASME Section IX 2015.

On this page the summary of changes in de ASME IX  made by Walter Sperko PE of Sperko engineering. Walter Sperko is the vice-chairman of sub section IX welding and brazing of the ASME. In this articles you can read the changes made in the ASME IX in that year. 2007 addenda 2008 addenda 2009…

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