Title:
クラッド鋼板およびその製造方法
Document Type and Number:
Japanese Patent JP6555435
Kind Code:
B2
Abstract:
A clad steel plate including: a base steel plate; and a cladding metal made of a corrosion-resistant alloy bonded or joined to one surface of the base steel plate, where the base steel plate has a specified chemical composition; the base steel plate has a steel microstructure where, at a 1/2 plate thickness position in the thickness direction of the base steel plate, an area ratio of bainite is 94 % or more, an area ratio of martensite austenite constituent is 6 % or less, and an average grain diameter of the bainite is 25 µm or less; and an interface between the base steel plate and the cladding metal bonded or joined together has a shear strength of 300 MPa or more.
Inventors:
Ryosuke Sakai
Shunichi Tachibana
Youta Kuronuma
Tomoyuki Yokota
Kazukuni Hase
Satoshi Iki
Shunichi Tachibana
Youta Kuronuma
Tomoyuki Yokota
Kazukuni Hase
Satoshi Iki
Application Number:
JP2018565429A
Publication Date:
August 07, 2019
Filing Date:
March 27, 2018
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C22C38/00; B23K20/04; C21D8/02; C22C19/05; C22C38/14; C22C38/58
Domestic Patent References:
| JP2016108665A | ||||
| JP2015105399A | ||||
| JP2015224376A |
Foreign References:
| WO2016075925A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Keisuke Kawahara
Mitsutsugu Sugimura
Keisuke Kawahara