EP3480333A4 - Steel for mechanical structures - Google Patents

Steel for mechanical structures Download PDF

Info

Publication number: EP3480333A4
Authority: EP; European Patent Office
Prior art keywords: steel; mechanical structures; structures; mechanical
Prior art date: 2016-07-04
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP17824224.4A

Other languages

German (de)

French (fr)

Other versions

EP3480333A1 (en

Inventor

Masayuki Hashimura

Makoto Egashira

Takanori IWAHASHI

Shouji TOUDOU

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 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.)

2016-07-04

Filing date

2017-07-04

Publication date

2019-11-20

2017-07-04 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2019-05-08 Publication of EP3480333A1 publication Critical patent/EP3480333A1/en

2019-11-20 Publication of EP3480333A4 publication Critical patent/EP3480333A4/en

Status Withdrawn legal-status Critical Current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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- C22C38/50—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
- C22C38/60—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
- C21D2211/004—Dispersions; Precipitations
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Steel (AREA)
Treatment Of Steel In Its Molten State (AREA)

EP17824224.4A 2016-07-04 2017-07-04 Steel for mechanical structures Withdrawn EP3480333A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2016132902		2016-07-04
PCT/JP2017/024442 WO2018008621A1 (en)	2016-07-04	2017-07-04	Steel for mechanical structures

Publications (2)

Publication Number	Publication Date
EP3480333A1 EP3480333A1 (en)	2019-05-08
EP3480333A4 true EP3480333A4 (en)	2019-11-20

Family

ID=60912701

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17824224.4A Withdrawn EP3480333A4 (en)	2016-07-04	2017-07-04	Steel for mechanical structures

Country Status (6)

Country	Link
US (1)	US20190233927A1 (en)
EP (1)	EP3480333A4 (en)
JP (1)	JP6760375B2 (en)
KR (1)	KR20190027848A (en)
CN (1)	CN109477174A (en)
WO (1)	WO2018008621A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MX2022010291A (en) *	2020-02-21	2022-10-13	Nippon Steel Corp	Steel wire.
CN112048659B (en) *	2020-09-11	2021-08-10	上海大学	High-strength high-ductility steel plate and preparation method thereof
WO2022234319A1 (en) *	2021-05-04	2022-11-10	Arcelormittal	Steel sheet and high strength press hardened steel part and method of manufacturing the same
WO2022234320A1 (en) *	2021-05-04	2022-11-10	Arcelormittal	Steel sheet and high strength press hardened steel part and method of manufacturing the same
CN115449704B (en) *	2022-07-29	2023-07-25	江阴兴澄特种钢铁有限公司	New energy automobile hub bearing steel and production method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4279646A (en) *	1978-12-25	1981-07-21	Daido Tokushuko Kabushiki Kaisha	Free cutting steel containing sulfide inclusion particles with controlled aspect, size and distribution
EP0312054A1 (en) *	1987-10-15	1989-04-19	Aichi Steel Works, Ltd.	Free-cutting steel having high fatigue strength
JPH11222646A (en) *	1998-02-05	1999-08-17	Kobe Steel Ltd	Steel for machine structural use having excellent chip treatability
EP1264909A1 (en) *	2000-03-06	2002-12-11	Nippon Steel Corporation	Steel excellent in suitability for forging and cutting
US20030084965A1 (en) *	2001-10-01	2003-05-08	Sumitomo Metal Industries, Ltd.	Steel for machine structural use and method of producing same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6148557A (en) *	1984-08-16	1986-03-10	Daido Steel Co Ltd	Machine structural steel
JPH06114500A (en) *	1992-10-05	1994-04-26	Nippon Steel Corp	Production of low-carbon sulfur free-cutting steel
JPH11293391A (en) *	1998-04-13	1999-10-26	Kobe Steel Ltd	Low carbon free cutting steel excellent in chip treatability, and its production
JP3680674B2 (en)	1999-01-28	2005-08-10	住友金属工業株式会社	Machine structural steel and machine structural parts with excellent machinability and toughness
BRPI0809532A2 (en) *	2008-02-26	2011-11-08	Nippon Steel Corp	hot-forged micro-alloy steel and hot-rolled steel for excellent fracture separation and machining capability, and component made of hot-forged micro-alloy steel
JP5655986B2 (en) *	2012-06-08	2015-01-21	新日鐵住金株式会社	Steel wire rod or bar

2017
- 2017-07-04 JP JP2018526388A patent/JP6760375B2/en active Active
- 2017-07-04 EP EP17824224.4A patent/EP3480333A4/en not_active Withdrawn
- 2017-07-04 US US16/313,931 patent/US20190233927A1/en not_active Abandoned
- 2017-07-04 CN CN201780041492.0A patent/CN109477174A/en active Pending
- 2017-07-04 KR KR1020197003389A patent/KR20190027848A/en not_active Application Discontinuation
- 2017-07-04 WO PCT/JP2017/024442 patent/WO2018008621A1/en unknown

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4279646A (en) *	1978-12-25	1981-07-21	Daido Tokushuko Kabushiki Kaisha	Free cutting steel containing sulfide inclusion particles with controlled aspect, size and distribution
EP0312054A1 (en) *	1987-10-15	1989-04-19	Aichi Steel Works, Ltd.	Free-cutting steel having high fatigue strength
JPH11222646A (en) *	1998-02-05	1999-08-17	Kobe Steel Ltd	Steel for machine structural use having excellent chip treatability
EP1264909A1 (en) *	2000-03-06	2002-12-11	Nippon Steel Corporation	Steel excellent in suitability for forging and cutting
US20030084965A1 (en) *	2001-10-01	2003-05-08	Sumitomo Metal Industries, Ltd.	Steel for machine structural use and method of producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018008621A1 *

Also Published As

Publication number	Publication date
KR20190027848A (en)	2019-03-15
JPWO2018008621A1 (en)	2019-05-16
US20190233927A1 (en)	2019-08-01
JP6760375B2 (en)	2020-09-23
WO2018008621A1 (en)	2018-01-11
EP3480333A1 (en)	2019-05-08
CN109477174A (en)	2019-03-15

Legal Events

Date	Code	Title	Description
2018-01-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2019-04-05	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
2019-04-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2019-05-08	17P	Request for examination filed	Effective date: 20190122
2019-05-08	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
2019-05-08	AX	Request for extension of the european patent	Extension state: BA ME
2019-06-19	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL CORPORATION
2019-10-09	DAV	Request for validation of the european patent (deleted)
2019-10-09	DAX	Request for extension of the european patent (deleted)
2019-11-20	A4	Supplementary search report drawn up and despatched	Effective date: 20191017
2019-11-20	RIC1	Information provided on ipc code assigned before grant	Ipc: B22D 11/124 20060101ALI20191011BHEP Ipc: C22C 38/60 20060101ALI20191011BHEP Ipc: C22C 38/08 20060101ALI20191011BHEP Ipc: B22D 11/00 20060101ALI20191011BHEP Ipc: C22C 38/04 20060101ALI20191011BHEP Ipc: C22C 38/12 20060101ALI20191011BHEP Ipc: C22C 38/06 20060101ALI20191011BHEP Ipc: C22C 38/14 20060101ALI20191011BHEP Ipc: C22C 38/16 20060101ALI20191011BHEP Ipc: C22C 38/02 20060101ALI20191011BHEP Ipc: C22C 38/00 20060101AFI20191011BHEP Ipc: C22C 38/38 20060101ALI20191011BHEP
2020-08-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2020-09-23	18W	Application withdrawn	Effective date: 20200814

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