Title:
王冠用鋼板およびその製造方法
Document Type and Number:
Japanese Patent JP5958630
Kind Code:
B2
Abstract:
Provided is a steel sheet for crown cap that, even when reduced in gauge, has sufficient strength and formability suitable for forming crown caps, and a method for producing the steel sheet for crown cap. The steel sheet for crown cap has a composition including, in terms of % by mass, C: 0.002% or more and 0.010% or less, Si: 0.05% or less, Mn: 0.05% or more and 0.30% or less, P: 0.030% or less, S: 0.020% or less, Al: less than 0.0100%, N: 0.0050% or less, and the balance being Fe and unavoidable impurities. The C content is more than 0.003% when the Al content is 0.005% or more. The yield strength in the rolling direction is 500 MPa or more. The average Lankford value described below is 1.3 or more.
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Inventors:
Masami Tsujimoto
Takumi Tanaka
Tomoya Hiraguchi
Katsumi Kojima
Makoto Aratani
Reiko Sugihara
Fumio Aoki
Toshihiro Kikuchi
Hiroki Nakamaru
Takumi Tanaka
Tomoya Hiraguchi
Katsumi Kojima
Makoto Aratani
Reiko Sugihara
Fumio Aoki
Toshihiro Kikuchi
Hiroki Nakamaru
Application Number:
JP2015189112A
Publication Date:
August 02, 2016
Filing Date:
September 28, 2015
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C22C38/00; B21B1/22; C21D9/46; C22C38/06
Domestic Patent References:
| JP2009263789A | ||||
| JP2013019027A | ||||
| JP9118928A | ||||
| JP5247669A | ||||
| JP55048574B2 |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori