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.
Market grade | UNS |
---|---|
440A | S44002 |
ASTM | ASTM |
---|---|
A276/A276M | F899 |
C | Si | Mn | P | S | Cr | Mo | |
---|---|---|---|---|---|---|---|
0.60 to 0.75 | max. 1.00 | max. 1.00 | max. 0.040 | max. 0.030 | 16.0 to 18.0 | max. 0.75 |