Component:
C碳 Si硅 Mn锰 Cr铬 Mo钼 V钒 Ni镍 W钨
(％)
0.15 0.3 1.5 - 0.3 - 3.0 -

Uses:
This steel has good properties of polishing, carving and EDM. It may be used for high-precision mirror die, vidicon, music, cosmetic vessel, transparent cover, transparent film, precision winkle machining die, OA equipment, parts for automobile, and EDM die, etc.