EP4563714A4 - Corrosion-resistant and wear-resistant steel plate and manufacturing process for it - Google Patents

Corrosion-resistant and wear-resistant steel plate and manufacturing process for it

Info

Publication number: EP4563714A4
Authority: EP; European Patent Office
Prior art keywords: resistant; corrosion; wear; steel plate; manufacturing process
Prior art date: 2022-07-29
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

EP23845735.2A

Other languages

German (de)

French (fr)

Other versions

EP4563714A1 (en

Inventor

Hongbin Li

Jianhua Ding

Yuchuan Miao

Zicheng Liu

Feng Mei

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.)

Baoshan Iron and Steel Co Ltd

Original Assignee

Baoshan Iron and Steel Co Ltd

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.)

2022-07-29

Filing date

2023-07-31

Publication date

2025-11-26

2023-07-31 Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd

2025-06-04 Publication of EP4563714A1 publication Critical patent/EP4563714A1/en

2025-11-26 Publication of EP4563714A4 publication Critical patent/EP4563714A4/en

Status Pending legal-status Critical Current

Links

Classifications

- 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
- 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
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
- 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
- C21D2211/001—Austenite
- 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
- C21D2211/002—Bainite
- 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
- C21D2211/008—Martensite

Landscapes

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

EP23845735.2A 2022-07-29 2023-07-31 Corrosion-resistant and wear-resistant steel plate and manufacturing process for it Pending EP4563714A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CN202210914393		2022-07-29
PCT/CN2023/110178 WO2024022531A1 (en)	2022-07-29	2023-07-31	Corrosion-resistant and wear-resistant steel plate and manufacturing method therefor

Publications (2)

Publication Number	Publication Date
EP4563714A1 EP4563714A1 (en)	2025-06-04
EP4563714A4 true EP4563714A4 (en)	2025-11-26

Family

ID=89626431

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP23845735.2A Pending EP4563714A4 (en)	2022-07-29	2023-07-31	Corrosion-resistant and wear-resistant steel plate and manufacturing process for it

Country Status (7)

Country	Link
EP (1)	EP4563714A4 (en)
JP (1)	JP2025525673A (en)
CN (1)	CN117467911A (en)
AU (1)	AU2023312781A1 (en)
CA (1)	CA3263561A1 (en)
WO (1)	WO2024022531A1 (en)
ZA (1)	ZA202501771B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117987718B (en) *	2024-03-07	2025-08-29	鞍钢股份有限公司	Wear-resistant steel resistant to high-mineralization coal mine water corrosion and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07150289A (en) *	1993-11-29	1995-06-13	Nippon Steel Corp	Cr-based heat-resistant steel with excellent high-temperature strength
CN104662193A (en) *	2012-09-19	2015-05-27	杰富意钢铁株式会社	Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance
EP2980257A1 (en) *	2013-03-28	2016-02-03	Baoshan Iron & Steel Co., Ltd.	Low-alloy high-hardness wear-resistant steel plate and manufacturing method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4846308B2 (en) *	2005-09-09	2011-12-28	新日本製鐵株式会社	High tough wear-resistant steel with little change in hardness during use and method for producing the same
JP6350340B2 (en) *	2015-03-04	2018-07-04	Ｊｆｅスチール株式会社	Abrasion-resistant steel plate and method for producing the same
JP6493286B2 (en) *	2016-04-19	2019-04-03	Ｊｆｅスチール株式会社	Abrasion resistant steel sheet and method for producing the abrasion resistant steel sheet
CN107937806B (en) *	2017-11-16	2020-02-07	武汉钢铁有限公司	High-strength abrasion-resistant steel plate serving in weak acid environment and manufacturing method thereof
CN111748728B (en) *	2019-03-27	2022-01-14	宝山钢铁股份有限公司	Easily-welded high-strength high-toughness wear-resistant steel plate and manufacturing method thereof
WO2021054015A1 (en) *	2019-09-17	2021-03-25	Ｊｆｅスチール株式会社	Wear-resistant steel sheet and method for producing same
CN113322409B (en) *	2020-02-28	2022-06-28	宝山钢铁股份有限公司	A kind of high-strength and toughness mining chain steel and manufacturing method thereof
CN112159934A (en) *	2020-09-30	2021-01-01	东北大学	A kind of corrosion-resistant wear-resistant steel plate and preparation method thereof

2023
- 2023-07-31 EP EP23845735.2A patent/EP4563714A4/en active Pending
- 2023-07-31 AU AU2023312781A patent/AU2023312781A1/en active Pending
- 2023-07-31 WO PCT/CN2023/110178 patent/WO2024022531A1/en not_active Ceased
- 2023-07-31 CA CA3263561A patent/CA3263561A1/en active Pending
- 2023-07-31 JP JP2025504829A patent/JP2025525673A/en active Pending
- 2023-07-31 CN CN202310951052.6A patent/CN117467911A/en active Pending
2025
- 2025-02-26 ZA ZA2025/01771A patent/ZA202501771B/en unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07150289A (en) *	1993-11-29	1995-06-13	Nippon Steel Corp	Cr-based heat-resistant steel with excellent high-temperature strength
CN104662193A (en) *	2012-09-19	2015-05-27	杰富意钢铁株式会社	Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance
EP2980257A1 (en) *	2013-03-28	2016-02-03	Baoshan Iron & Steel Co., Ltd.	Low-alloy high-hardness wear-resistant steel plate and manufacturing method therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024022531A1 *

Also Published As

Publication number	Publication date
CA3263561A1 (en)	2025-06-09
CN117467911A (en)	2024-01-30
AU2023312781A1 (en)	2025-03-06
WO2024022531A1 (en)	2024-02-01
EP4563714A1 (en)	2025-06-04
JP2025525673A (en)	2025-08-05
ZA202501771B (en)	2025-11-26

Legal Events

Date	Code	Title	Description
2024-02-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2025-05-14	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
2025-05-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2025-06-04	17P	Request for examination filed	Effective date: 20250225
2025-06-04	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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
2025-10-21	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C22C0038020000 Ipc: C21D0008020000
2025-11-05	DAV	Request for validation of the european patent (deleted)
2025-11-05	DAX	Request for extension of the european patent (deleted)
2025-11-26	A4	Supplementary search report drawn up and despatched	Effective date: 20251027
2025-11-26	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 8/02 20060101AFI20251021BHEP Ipc: C21D 9/46 20060101ALI20251021BHEP Ipc: C22C 33/04 20060101ALI20251021BHEP Ipc: C22C 38/02 20060101ALI20251021BHEP Ipc: C22C 38/04 20060101ALI20251021BHEP Ipc: C22C 38/06 20060101ALI20251021BHEP Ipc: C22C 38/20 20060101ALI20251021BHEP Ipc: C22C 38/22 20060101ALI20251021BHEP Ipc: C22C 38/24 20060101ALI20251021BHEP Ipc: C22C 38/26 20060101ALI20251021BHEP Ipc: C22C 38/28 20060101ALI20251021BHEP Ipc: C22C 38/32 20060101ALI20251021BHEP Ipc: C22C 38/42 20060101ALI20251021BHEP Ipc: C22C 38/44 20060101ALI20251021BHEP Ipc: C22C 38/46 20060101ALI20251021BHEP Ipc: C22C 38/48 20060101ALI20251021BHEP Ipc: C22C 38/50 20060101ALI20251021BHEP Ipc: C22C 38/54 20060101ALI20251021BHEP Ipc: C22C 38/60 20060101ALI20251021BHEP

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