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Title:
析出硬化型マルテンサイト系ステンレス鋼とその製造方法
Document Type and Number:
Japanese Patent JP7029570
Kind Code:
B1
Abstract:
【課題】製造性に優れ、かつ、優れた強度レベルを有し、長寿命である析出硬化型マルテンサイト系ステンレス鋼を提供する。【解決手段】質量％にて、Ｃ：０．０１～０．０７％、Ｓｉ：１．０～２．５％、Ｍｎ：０．１～２．５％、Ｐ：０．０４％以下、Ｓ：０．００２０％以下、Ｎｉ：４．０～１０．０％、Ｃｒ：１１．０～１７．０％、Ｍｏ：０．１～１．５０％、Ｃｕ：０．３０～６．０％、Ａｌ：０．００１～０．２００％、Ｎ：０．００１～０．０２０％、Ｔｉ：０．１５～０．４５％、Ｎｂ：０．１５～０．５５％のいずれか１種あるいは２種を含有し、式（１）を満足することを特徴とする析出硬化型マルテンサイト系ステンレス鋼。Ｔｉ＋３０×Ｎ ≦ ０．９ …（１）【選択図】図３

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Inventors:
Jixin
Maeda Taiki
Hinako Tomitaka
Application Number:
JP2021134110A
Publication Date:
March 03, 2022
Filing Date:
August 19, 2021
Export Citation:
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Assignee:
Nippon Yakin Kogyo Co., Ltd.
International Classes:
C22C38/00; C21D9/46; C22C38/58
Domestic Patent References:
JP2017155317A2017-09-07
JPH11256282A1999-09-21
Foreign References:
CN108677107A2018-10-19
Attorney, Agent or Firm:
Mikio Suenari



 
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