EP3805417A4 - FERRITIC STAINLESS STEEL SHEET AND SHEET SHEET PRODUCTION PROCESS - Google Patents

FERRITIC STAINLESS STEEL SHEET AND SHEET SHEET PRODUCTION PROCESS Download PDF

Info

Publication number: EP3805417A4
Authority: EP; European Patent Office
Prior art keywords: sheet; stainless steel; production process; ferritic stainless; steel sheet
Prior art date: 2018-03-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP19776987.0A

Other languages

German (de)

French (fr)

Other versions

EP3805417A1 (en

Inventor

Atsushi Taguchi

Eiichiro Ishimaru

Tadashi Komori

Ken Kimura

Shinichi Tamura

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nippon Steel Corp

Original Assignee

Nippon Steel Stainless Steel Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-03-30

Filing date

2019-03-07

Publication date

2022-01-05

2019-03-07 Application filed by Nippon Steel Stainless Steel Corp filed Critical Nippon Steel Stainless Steel Corp

2021-04-14 Publication of EP3805417A1 publication Critical patent/EP3805417A1/en

2022-01-05 Publication of EP3805417A4 publication Critical patent/EP3805417A4/en

Status Pending legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP19776987.0A 2018-03-30 2019-03-07 FERRITIC STAINLESS STEEL SHEET AND SHEET SHEET PRODUCTION PROCESS Pending EP3805417A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018069775		2018-03-30
PCT/JP2019/009147 WO2019188094A1 (en)	2018-03-30	2019-03-07	Ferritic stainless steel sheet and method for producing same

Publications (2)

Publication Number	Publication Date
EP3805417A1 EP3805417A1 (en)	2021-04-14
EP3805417A4 true EP3805417A4 (en)	2022-01-05

Family

ID=68059877

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19776987.0A Pending EP3805417A4 (en)	2018-03-30	2019-03-07	FERRITIC STAINLESS STEEL SHEET AND SHEET SHEET PRODUCTION PROCESS

Country Status (5)

Country	Link
EP (1)	EP3805417A4 (en)
JP (1)	JP6906688B2 (en)
KR (1)	KR102443897B1 (en)
CN (1)	CN111655890B (en)
WO (1)	WO2019188094A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7469714B2 (en) *	2020-12-28	2024-04-17	日本製鉄株式会社	Steel
WO2022145066A1 (en) *	2020-12-28	2022-07-07	日本製鉄株式会社	Steel material
CN113388780A (en) *	2021-05-25	2021-09-14	宁波宝新不锈钢有限公司	430 ferrite stainless steel for kitchenware panel and preparation method thereof
TWI796838B (en) *	2021-11-17	2023-03-21	日商日鐵不銹鋼股份有限公司	Fertilized iron series stainless steel plate
JP7832470B2 (en) *	2022-03-30	2026-03-18	日本製鉄株式会社	Ferritic stainless steel sheet and method for manufacturing the same
JP2024043135A (en) *	2022-09-16	2024-03-29	日鉄ステンレス株式会社	Ferritic stainless steel plate
JP2024058836A (en) *	2022-10-17	2024-04-30	日鉄ステンレス株式会社	Ferritic stainless steel plate with excellent corrosion resistance and workability
CN116024504B (en) *	2022-12-16	2024-08-02	坤石容器制造有限公司	Ferrite stainless steel for high-purity unstable electron special gas in semiconductor industry and preparation method thereof
KR20240098331A (en) *	2022-12-21	2024-06-28	주식회사 포스코	Ferritic stainless steel of constructure application and method for the same
JP7564511B1 (en) *	2023-08-30	2024-10-09	Ｊｆｅスチール株式会社	Method for controlling the amount of scale formation on metal materials in a heating furnace, device for controlling the amount of scale formation, and method for operating a heating furnace

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02217420A (en) *	1989-02-20	1990-08-30	Nippon Steel Corp	Production of ferritic stainless steel sheet free from surface flaw and excellent in workability
EP1514949A1 (en) *	2002-06-17	2005-03-16	JFE Steel Corporation	FERRITIC STAINLESS STEEL PLATE WITH Ti AND METHOD FOR PRODUCTION THEREOF
JP2007224342A (en) *	2006-02-22	2007-09-06	Nippon Steel & Sumikin Stainless Steel Corp	Ferritic stainless steel sheet excellent in formability with less rough processing and its manufacturing method and press forming method
EP2953170A1 (en) *	2013-03-21	2015-12-09	JFE Steel Corporation	Ferritic stainless steel foil for solar cell substrates

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1012181B (en) *	1984-06-28	1991-03-27	日新制钢株式会社	Phosphorus-added ferritic stainless steel with excellent formability and secondary workability
JP3142427B2 (en) *	1993-11-02	2001-03-07	川崎製鉄株式会社	Ferritic stainless steel sheet excellent in secondary work brittleness resistance and method for producing the same
JPH07292417A (en) *	1994-04-22	1995-11-07	Sumitomo Metal Ind Ltd	Method for producing ferritic stainless steel sheet with excellent forming surface properties
KR0167168B1 (en) *	1994-10-28	1999-03-20	이희종	Voltage decision method for digital instrument
JP3477957B2 (en) *	1995-11-24	2003-12-10	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent corrosion resistance under high temperature oxidation environment of 200-400 ° C
JP3455047B2 (en) *	1997-01-23	2003-10-06	新日本製鐵株式会社	Ferritic stainless steel sheet excellent in workability and roping properties and method for producing the same
JP3788311B2 (en) *	2001-10-31	2006-06-21	Ｊｆｅスチール株式会社	Ferritic stainless steel sheet and manufacturing method thereof
EP1738926A4 (en) *	2004-03-18	2010-07-07	Sakura Color Prod Corp	Ball-point pen tip
JP5073966B2 (en) *	2006-05-25	2012-11-14	日新製鋼株式会社	Age-hardening ferritic stainless steel sheet and age-treated steel using the same
JP5545301B2 (en) *	2009-10-28	2014-07-09	コニカミノルタ株式会社	Organic electroluminescent panel manufacturing method, organic electroluminescent panel
JP5670064B2 (en) *	2010-02-22	2015-02-18	日新製鋼株式会社	Ferrite single-phase stainless steel slab manufacturing method
CN104109809B (en) *	2014-06-20	2018-11-06	宝钢不锈钢有限公司	A kind of high formability low chrome ferritic stainless steel and manufacturing method
CN105839021B (en) *	2015-01-12	2017-07-28	宝钢特钢有限公司	The manufacture of steel pipe of ferritic stainless steel containing rare-earth and high chromium
JP6602112B2 (en) *	2015-08-31	2019-11-06	日鉄ステンレス株式会社	High purity ferritic stainless steel sheet for deep drawing with excellent secondary work brittleness resistance and method for producing the same
JP6022097B1 (en) *	2016-03-30	2016-11-09	日新製鋼株式会社	Ti-containing ferritic stainless steel sheet and manufacturing method
JP2018069775A (en)	2016-10-25	2018-05-10	いすゞ自動車株式会社	Control device for inverter cooling pump and vehicle

2019
- 2019-03-07 KR KR1020207021338A patent/KR102443897B1/en active Active
- 2019-03-07 WO PCT/JP2019/009147 patent/WO2019188094A1/en not_active Ceased
- 2019-03-07 CN CN201980010612.XA patent/CN111655890B/en active Active
- 2019-03-07 JP JP2020509785A patent/JP6906688B2/en active Active
- 2019-03-07 EP EP19776987.0A patent/EP3805417A4/en active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02217420A (en) *	1989-02-20	1990-08-30	Nippon Steel Corp	Production of ferritic stainless steel sheet free from surface flaw and excellent in workability
EP1514949A1 (en) *	2002-06-17	2005-03-16	JFE Steel Corporation	FERRITIC STAINLESS STEEL PLATE WITH Ti AND METHOD FOR PRODUCTION THEREOF
JP2007224342A (en) *	2006-02-22	2007-09-06	Nippon Steel & Sumikin Stainless Steel Corp	Ferritic stainless steel sheet excellent in formability with less rough processing and its manufacturing method and press forming method
EP2953170A1 (en) *	2013-03-21	2015-12-09	JFE Steel Corporation	Ferritic stainless steel foil for solar cell substrates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019188094A1 *

Also Published As

Publication number	Publication date
BR112020015001A2 (en)	2020-12-29
KR20200100159A (en)	2020-08-25
JPWO2019188094A1 (en)	2020-12-17
KR102443897B1 (en)	2022-09-19
CN111655890A (en)	2020-09-11
JP6906688B2 (en)	2021-07-21
WO2019188094A1 (en)	2019-10-03
CN111655890B (en)	2021-10-29
EP3805417A1 (en)	2021-04-14

Legal Events

Date	Code	Title	Description
2019-10-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-03-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2021-03-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-04-14	17P	Request for examination filed	Effective date: 20200829
2021-04-14	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2021-04-14	AX	Request for extension of the european patent	Extension state: BA ME
2021-07-07	DAV	Request for validation of the european patent (deleted)
2021-07-07	DAX	Request for extension of the european patent (deleted)
2022-01-05	A4	Supplementary search report drawn up and despatched	Effective date: 20211207
2022-01-05	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/46 20060101ALI20211201BHEP Ipc: C22C 38/58 20060101ALI20211201BHEP Ipc: C22C 38/52 20060101ALI20211201BHEP Ipc: C22C 38/42 20060101ALI20211201BHEP Ipc: C22C 38/34 20060101ALI20211201BHEP Ipc: C22C 38/44 20060101ALI20211201BHEP Ipc: C21D 8/02 20060101ALI20211201BHEP Ipc: C21D 6/00 20060101ALI20211201BHEP Ipc: C22C 38/60 20060101ALI20211201BHEP Ipc: C21D 9/46 20060101ALI20211201BHEP Ipc: C22C 38/00 20060101AFI20211201BHEP
2025-03-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2025-04-09	17Q	First examination report despatched	Effective date: 20250307
2026-01-07	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL CORPORATION

Publication	Publication Date	Title
EP3805417A4 (en)	2022-01-05	FERRITIC STAINLESS STEEL SHEET AND SHEET SHEET PRODUCTION PROCESS
EP3778960A4 (en)	2021-09-08	BIP-PHASE COATED STAINLESS STEEL SHEET AND ITS PRODUCTION PROCESS
EP3480334A4 (en)	2020-02-26	FERRITIC STAINLESS STEEL, STEEL SHEET THEREOF AND METHODS OF PRODUCING THE SAME
EP3865296A4 (en)	2021-11-03	SUPER-DUPLEX STAINLESS STEEL CLAD STEEL SHEET AND ITS MANUFACTURING PROCESS
EP3473741A4 (en)	2019-05-15	THIN STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
EP3789510A4 (en)	2021-04-21	THIN SHEET STEEL AND ITS PRODUCTION PROCESS
EP3556880A4 (en)	2019-12-04	FERRITIC STAINLESS STEEL SHEET, HOT ROLLED AND PROCESS FOR PRODUCING SAME
EP4035787A4 (en)	2022-11-02	SUPER-AUSTENITIC STAINLESS STEEL ROLLING PROCESS
EP3862456A4 (en)	2022-08-03	PLATED AUSTENITIC STAINLESS STEEL SHEET, BASE STEEL SHEET AND METHOD FOR PRODUCTION OF CLAD STEEL SHEET
EP3392600A4 (en)	2019-05-15	DOUBLE HARDENED PLATED STEEL SHEET AND METHOD FOR PRODUCING THE SAME
EP3447156A4 (en)	2019-02-27	ABRASION RESISTANT STEEL SHEET AND METHOD FOR PRODUCING ABRASION RESISTANT STEEL SHEET
EP3597784A4 (en)	2020-02-26	ABRASION-RESISTANT STEEL SHEET AND METHOD FOR PRODUCING ABRASION-RESISTANT STEEL SHEET
EP3446808A4 (en)	2019-02-27	ABRASION RESISTANT STEEL SHEET AND METHOD FOR PRODUCING ABRASION RESISTANT STEEL SHEET
EP3851550A4 (en)	2021-12-08	FERRITIC STAINLESS STEEL SHEET, PROCESS FOR THE PRODUCTION AND AL-PLATED STAINLESS STEEL SHEET
EP3438310A4 (en)	2019-02-06	FERRITIC STAINLESS STEEL SHEET
EP3553195A4 (en)	2019-10-16	HIGH METAL STEEL SHEET AND PROCESS FOR PRODUCTION THEREOF
EP3438313A4 (en)	2019-08-21	FERRITIC STAINLESS STEEL SHEET CONTAINING NIOBIUM AND METHOD FOR MANUFACTURING THE SAME
EP3604597A4 (en)	2020-02-05	PLATED STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
EP3486347A4 (en)	2019-07-10	HOT ROLLED AND RECOVERED FERRITIC STAINLESS STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
EP3620553A4 (en)	2020-06-24	STEEL SHEET FOR CANS AND PRODUCTION METHOD THEREOF
EP3425081A4 (en)	2020-03-25	METHOD FOR MANUFACTURING BLACK PLATED STEEL SHEET, APPARATUS FOR MANUFACTURING BLACK PLATED STEEL SHEET, AND SYSTEM FOR MANUFACTURING BLACK PLATED STEEL SHEET
EP3421625A4 (en)	2019-07-31	PROCESS FOR PRODUCING STEEL SHEET AND CONTINUOUS REINFORCING DEVICE FOR STEEL SHEET
EP3904566A4 (en)	2022-09-07	NI-CLAD STEEL SHEET AND METHOD OF MAKING NI-CLAD STEEL SHEET
EP3778971A4 (en)	2021-11-24	STEEL PIPE AND STEEL PIPE PRODUCTION PROCESS
EP3875624A4 (en)	2022-08-31	AUSTENITIC STAINLESS STEEL SHEET