Title:
INDUCTION HARDENED GEAR STEEL HAVING HIGH STRENGTH AND EXCELLENT IN MACHINABILITY
Document Type and Number:
Japanese Patent JP3239432
Kind Code:
B2
Abstract:
PURPOSE: To provide an induction hardened gear steel having high strength and excellent in machinability.
CONSTITUTION: The gear steel has a composition which consists of, by weight, 0.50-0.65% C, ≤0.50% Si, ≤2.0% Mn, ≤0.020% P, 0.010-0.040% S, 0.05-0.50% Mo, (Ti+Zr+REM) by ≤0.01%, B+N and/or Te so that B, N, and Te are in the ranges of 0.0040-0.020%, 0.0050-0.020%, and 0.003-0.030%, respectively, and the balance essentially Fe.
Inventors:
Tatsumi Urada
Kunio Namiki
Kunio Namiki
Application Number:
JP9884992A
Publication Date:
December 17, 2001
Filing Date:
March 25, 1992
Export Citation:
Assignee:
Daido Steel Co., Ltd.
International Classes:
C22C38/00; C22C38/14; C22C38/54; (IPC1-7): C22C38/00; C22C38/14; C22C38/54
Domestic Patent References:
| JP62112727A | ||||
| JP2145745A | ||||
| JP6148557A | ||||
| JP1219148A | ||||
| JP273950A |
Attorney, Agent or Firm:
Kazuo Yoshida