Title:
熱間圧延鋼板
Document Type and Number:
Japanese Patent JP7356066
Kind Code:
B2
Abstract:
Provided is a hot rolled steel sheet having a predetermined chemical composition and a microstructure comprising, by area ratio, pearlite: 90 to 100% and pro-eutectoid ferrite: 0 to 10%, wherein the pearlite has an average lamellar spacing of 0.08 to 0.30 µm, and the percentage of cementite in the pearlite having a major axis length of more than 0.3 |um and an aspect ratio of less than 3.0 is less than 15%.
Inventors:
Kohei Nakata
Takeshi Toyoda
Takeshi Toyoda
Application Number:
JP2022505088A
Publication Date:
October 04, 2023
Filing Date:
February 12, 2021
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C21D8/02; C21D9/46; C22C38/58
Domestic Patent References:
| JP2015515548A | ||||
| JP2011099129A | ||||
| JP2011530659A | ||||
| JP2019039056A |
Foreign References:
| US20190316235 | ||||
| US20110259483 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Ritsuo Fukuchi
Manabu Saito
Kenji Kimura
Shinji Mihashi
Ritsuo Fukuchi
Manabu Saito
Kenji Kimura