Hi
I can only find a reference to a french material of designation:
17 CND 6
If this is possibly the same material, then it has the following composition:
C: 0.14 - 0.19
Si: 0.15 - 0.40
Mn: 0.40 - 0.60
P: 0.035
S: 0.035
Cr: 1.50 - 1.80
Mo: 0.25 - 0.35
Ni: 1.40 - 1.70
The DIN symbol being: 17CrNiMo6
The German W/Stoff No being: 1.6587
Hope this helps
Regards
Niekie Jooste
Fabristruct Solutions