I recently downloaded a whole bunch of files from a German IV discussion
group, that let come in most of the IV standard parts with DIN material
naming (for example bolts with material 8.8). I can post them on demand.
Just wanted to let you know that it's possible and partly available,
although I don't know how the modification is to be done.
Maschinen- und Fertigungstechnik
A-4820 Bad Ischl - Austria