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N690Co(Bohler-Uddeholm) - Bohler-Uddeholm steel, recommended working hardness 58-60HRC. Similar to VG-10. Later, Aichi produced pretty much identical(with N690),
ZA-18 steel, promoted to be better a performer than VG-10.
Manufacturing Technology - Ingot
Country - Sweden(SE)
Known Aliases:
Bohler-Uddeholm - N690, Bohler-Uddeholm - N690Bo
- Standard Specs
NOTE - Approximate composition based on manufacturer's or standard reference information and other alloys in the same reference group is shown.
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