BÖHLER N664
BÖHLER N664 is a corrosion-resistant steel with 17%Cr and Mo-addition in the form of bars, wire, forgings, and forging stock.
These products have been used typically for parts in general engineering and cutting and non cutting medical applications , e.g. chisels, knives, osteotomes, scalpels drills, retractors, spreaders, tongs requiring hardness up to 56/57 HRC and resistance to wear, corrosion, and oxidation depending on instrument design and application but usage is not limited to such applications.
Available Product Shapes
Melting Route
Airmelted
Material Numbers
- Market grade
- 440A
- UNS
- S44002
Standards
- ASTM
- A276/A276M
- ASTM
- F899
Chemical Composition
* Chemical Composition (Average %)
- C
- 0.60 to 0.75
- Si
- max. 1.00
- Mn
- max. 1.00
- P
- max. 0.040
- S
- max. 0.030
- Cr
- 16.0 to 18.0
- Mo
- max. 0.75