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Title:
HEAT TREATMENT METHOD FOR STEEL MATERIAL
Document Type and Number:
Japanese Patent JP2006206927
Kind Code:
A
Abstract:

To obtain a heat treatment method for steel material by which the steel material is highly uniformly heated and residual stress is reduced.

The heating target temperature in an induction heating apparatus is set to be a magnetic transformation temperature, desirably 700-760°C.


Inventors:
WATANABE YUICHIRO
HINO YOSHIMICHI
SHIGAKI NOBUYUKI
SUGIOKA MASATOSHI
KAJITA YASUYUKI
Application Number:
JP2005016411A
Publication Date:
August 10, 2006
Filing Date:
January 25, 2005
Export Citation:
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Assignee:
JFE STEEL KK
International Classes:
C21D1/42; C21D8/02
Domestic Patent References:
JPH07197135A1995-08-01
JPS58221224A1983-12-22
JPH11222622A1999-08-17
JP2000503462A2000-03-21
JP2003213333A2003-07-30
JP2003034819A2003-02-07
Attorney, Agent or Firm:
Yasumitsu Nakahama



 
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