Performance Characteristics:
- It is a high speed steel; it has high hardness, red hardness
and high temperature hardness; - Wide range of heat treatment temperature;
- Not early overheated when quenching;
- Easy to grinding.
Applications:
Mainly used for the manufacture of high-speed cutting lathe tool, drill, cutter, reamer and other tools. also for the produce of dies, reamer drawing dies, saw blades and so on.
Chemical Composition (%):
C: 0.7～0.8 W:17.5～19 Cr:3.80～4.4 V:1.0～1.4 Si:＜0.4 Mn:＜0.4 Mo:＜0.3
