Title:
HIGH SPEED STEEL
Document Type and Number:
Japanese Patent JPH08209297
Kind Code:
A
Abstract:
PURPOSE: To produce a high speed steel good in hot workability and excellent in wear resistance.
CONSTITUTION: This steel has a chemical compsn. contg., by weight, 0.7 to 1.6% C, 0.5 to 4.0% Si, ≤1.0% Mn, 3.5 to 5.5% Cr, 3.0 to 10.0% Mo, 2.0 to 8.0% W, 1.0 to 3.5% V, and the balance substantially Fe, and in which, in the case of Weq=W+2Mo, Weq is regulated to 10 to 22wt.%. It is preferable that Si/Weq≤0.2 is regulated. Furthermore, it may contain ≤8% Co in the range of Co≤10.0-2.5Si.
Inventors:
NAKAHAMA SHUNSUKE
OZAKI KOZO
MATSUDA YUKINORI
OZAKI KOZO
MATSUDA YUKINORI
Application Number:
JP1525695A
Publication Date:
August 13, 1996
Filing Date:
February 01, 1995
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
C22C38/00; C22C38/24; C22C38/30; (IPC1-7): C22C38/00; C22C38/00; C22C38/24; C22C38/30
Attorney, Agent or Firm:
Hattori Masaki