Title:
鋼板およびほうろう製品
Document Type and Number:
Japanese Patent JP7115653
Kind Code:
B2
Abstract:
This steel sheet has a predetermined chemical composition, and, on a surface parallel to a surface at a ¼ position of a sheet thickness in a sheet thickness direction from the surface, with respect to a total area of three types of oxides of MnO, Cr2O3 and Al2O3 having a major axis of more than 1.0 μm, a total area ratio of the MnO and the Cr2O3 is 98.0% or more, and an area ratio of the Al2O3 is 2.0% or less.
Inventors:
Shinma Yoshikawa
Aramaki Takashi
Fukusato Tetsuji
Kusumi Kazuhisa
Hisashi Yagami
Yoshinari Yano
Aramaki Takashi
Fukusato Tetsuji
Kusumi Kazuhisa
Hisashi Yagami
Yoshinari Yano
Application Number:
JP2021576273A
Publication Date:
August 09, 2022
Filing Date:
March 26, 2021
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C22C38/60; C23D5/00
Domestic Patent References:
| JP10102222A | ||||
| JP2000063985A | ||||
| JP11006030A | ||||
| JP11006031A | ||||
| JP2020002413A | ||||
| JP2001342542A | ||||
| JP2003096542A | ||||
| JP2000144313A | ||||
| JP2001316760A | ||||
| JP2001011573A | ||||
| JP11229087A | ||||
| JP2003003237A | ||||
| JP2014500397A |
Foreign References:
| WO2017043660A1 | ||||
| WO2015037614A1 | ||||
| CN109423578A | ||||
| WO2007055400A1 |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomomasa Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomomasa Katsumata
Hiroshi Yamaguchi