Title:
成形性及び疲労特性に優れた熱延鋼板及びその製造方法
Document Type and Number:
Japanese Patent JP2020509195
Kind Code:
A
Abstract:
本発明の一側面は、重量％で、Ｃ：０．３〜０．８％、Ｍｎ：１３〜２５％、Ｖ：０．１〜１．０％、Ｓｉ：０．００５〜２．０％、Ａｌ：０．０１〜２．５％、Ｐ：０．０３％以下、Ｓ：０．０３％以下、Ｎ：０．０４％以下（０％は除く）、残部Ｆｅ及び不可避不純物を含み、厚さ方向の断面を見たとき、面積分率で、未再結晶組織を２０〜７０％、再結晶組織を３０〜８０％含む、成形性及び疲労特性に優れた熱延鋼板に関する。
Inventors:
Son, Tajin
Kim, Jung-Eun
Choi, Chang-Sik
Kim, Jung-Eun
Choi, Chang-Sik
Application Number:
JP2019533165A
Publication Date:
March 26, 2020
Filing Date:
December 12, 2017
Export Citation:
Assignee:
POSCO
International Classes:
C22C38/00; C21D9/46; C22C38/12; C22C38/14
Domestic Patent References:
| JPH0452218A | 1992-02-20 | |||
| JPH07118756A | 1995-05-09 | |||
| JP2013534566A | 2013-09-05 | |||
| JP2008528796A | 2008-07-31 |
Foreign References:
| KR20090020278A | 2009-02-26 | |||
| KR20100071619A | 2010-06-29 | |||
| KR20090070510A | 2009-07-01 | |||
| KR20090070503A | 2009-07-01 | |||
| KR20130093743A | 2013-08-23 | |||
| KR20150075324A | 2015-07-03 | |||
| KR20100071619A | 2010-06-29 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Yuko Hara
Masakazu Ito
Yuko Hara