EP3492615A4 - Steel for machine structures - Google Patents

Steel for machine structures Download PDF

Info

Publication number: EP3492615A4
Authority: EP; European Patent Office
Prior art keywords: steel; machine structures; structures; machine
Prior art date: 2016-07-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP17834454.5A

Other languages

German (de)

French (fr)

Other versions

EP3492615A1 (en

Inventor

Masayuki Hashimura

Makoto Egashira

Shouji TOUDOU

Takanori IWAHASHI

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.)

2016-07-27

Filing date

2017-07-27

Publication date

2019-12-25

2017-07-27 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2019-06-05 Publication of EP3492615A1 publication Critical patent/EP3492615A1/en

2019-12-25 Publication of EP3492615A4 publication Critical patent/EP3492615A4/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Status Withdrawn legal-status Critical Current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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
- 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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- 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
- 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
- C22C38/18—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
- C22C38/44—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
- C22C38/58—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
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
- 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

Landscapes

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

EP17834454.5A 2016-07-27 2017-07-27 Steel for machine structures Withdrawn EP3492615A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2016147194		2016-07-27
PCT/JP2017/027154 WO2018021452A1 (en)	2016-07-27	2017-07-27	Steel for machine structures

Publications (2)

Publication Number	Publication Date
EP3492615A1 EP3492615A1 (en)	2019-06-05
EP3492615A4 true EP3492615A4 (en)	2019-12-25

Family

ID=61016225

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17834454.5A Withdrawn EP3492615A4 (en)	2016-07-27	2017-07-27	Steel for machine structures

Country Status (6)

Country	Link
US (1)	US20190169723A1 (en)
EP (1)	EP3492615A4 (en)
JP (1)	JP6760379B2 (en)
KR (1)	KR20190034273A (en)
CN (1)	CN109496239A (en)
WO (1)	WO2018021452A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110205557B (en) *	2019-07-17	2020-08-18	贝斯山钢(山东)钢板有限公司	350-plus 380HBW hardness-grade thick-specification high-toughness wear-resistant steel plate and preparation method thereof
MX2022007868A (en) *	2019-12-23	2022-07-19	Jfe Steel Corp	Free cutting steel and method for manufacturing same.
CN114645208B (en) *	2022-03-23	2023-04-25	青海西钢特殊钢科技开发有限公司	Tellurium-treated non-quenched and tempered steel for connecting rod and production method thereof
CN114959429A (en) *	2022-05-31	2022-08-30	本钢板材股份有限公司	Manufacturing method of steel 18CrNiMo7-6 for engineering machinery gear

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000282172A (en) *	1999-01-28	2000-10-10	Sumitomo Metal Ind Ltd	Steel for machine structure excellent in machinability and toughness, and machine structural parts
EP2418296A1 (en) *	2009-04-06	2012-02-15	Nippon Steel Corporation	Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same
WO2014125770A1 (en) *	2013-02-18	2014-08-21	新日鐵住金株式会社	Lead-containing free-machining steel
WO2015125915A1 (en) *	2014-02-24	2015-08-27	新日鐵住金株式会社	Steel material for induction hardening

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3496804B2 (en) *	1998-01-28	2004-02-16	愛知製鋼株式会社	Free-piercing steel
JP3437079B2 (en) *	1998-02-05	2003-08-18	株式会社神戸製鋼所	Machine structural steel with excellent chip control
CN1113973C (en) *	1999-01-28	2003-07-09	住友金属工业株式会社	Machine structural steel product
JP3468239B2 (en) *	2001-10-01	2003-11-17	住友金属工業株式会社	Steel for machine structural use and its manufacturing method
CN1169992C (en) *	2001-11-15	2004-10-06	住友金属工业株式会社	Steel for mechanical structure
US6764645B2 (en) *	2001-11-28	2004-07-20	Diado Steel Co., Ltd.	Steel for machine structural use having good machinability and chip-breakability
JP3758581B2 (en) *	2002-02-04	2006-03-22	住友金属工業株式会社	Low carbon free cutting steel
JP4906245B2 (en) *	2004-06-08	2012-03-28	山陽特殊製鋼株式会社	Machine structural steel with excellent machinability
JP5114658B2 (en) *	2006-12-20	2013-01-09	新日鐵住金株式会社	Mechanical structural steel with excellent mechanical properties and machinability
TWI391500B (en) *	2008-08-06	2013-04-01	Posco	Eco-friendly pb-free free-cutting steel and manufacturing method thereof
CN102209798B (en) *	2009-05-22	2013-10-30	新日铁住金株式会社	Steel for machine structure use attaining excellent cutting-tool life and method for cutting same
KR101355666B1 (en) *	2010-10-27	2014-01-27	신닛테츠스미킨 카부시키카이샤	Steel for nitrocarburizing high frequency quenching for machine structural use, and steel component for machine structural use and process for producing same
JP6477382B2 (en) *	2015-09-18	2019-03-06	Ｊｆｅスチール株式会社	Free-cutting steel

2017
- 2017-07-27 WO PCT/JP2017/027154 patent/WO2018021452A1/en unknown
- 2017-07-27 JP JP2018530376A patent/JP6760379B2/en active Active
- 2017-07-27 US US16/320,651 patent/US20190169723A1/en not_active Abandoned
- 2017-07-27 EP EP17834454.5A patent/EP3492615A4/en not_active Withdrawn
- 2017-07-27 CN CN201780046552.8A patent/CN109496239A/en active Pending
- 2017-07-27 KR KR1020197005585A patent/KR20190034273A/en not_active Application Discontinuation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000282172A (en) *	1999-01-28	2000-10-10	Sumitomo Metal Ind Ltd	Steel for machine structure excellent in machinability and toughness, and machine structural parts
EP2418296A1 (en) *	2009-04-06	2012-02-15	Nippon Steel Corporation	Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same
WO2014125770A1 (en) *	2013-02-18	2014-08-21	新日鐵住金株式会社	Lead-containing free-machining steel
WO2015125915A1 (en) *	2014-02-24	2015-08-27	新日鐵住金株式会社	Steel material for induction hardening
EP3112487A1 (en) *	2014-02-24	2017-01-04	Nippon Steel & Sumitomo Metal Corporation	Steel material for induction hardening

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018021452A1 *

Also Published As

Publication number	Publication date
KR20190034273A (en)	2019-04-01
US20190169723A1 (en)	2019-06-06
JPWO2018021452A1 (en)	2019-05-30
JP6760379B2 (en)	2020-09-23
EP3492615A1 (en)	2019-06-05
WO2018021452A1 (en)	2018-02-01
CN109496239A (en)	2019-03-19

Legal Events

Date	Code	Title	Description
2019-05-03	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
2019-06-05	17P	Request for examination filed	Effective date: 20190208
2019-06-05	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
2019-06-05	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
2019-11-06	DAV	Request for validation of the european patent (deleted)
2019-11-06	DAX	Request for extension of the european patent (deleted)
2019-12-25	A4	Supplementary search report drawn up and despatched	Effective date: 20191122
2019-12-25	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/28 20060101ALI20191118BHEP Ipc: C22C 38/00 20060101AFI20191118BHEP Ipc: C21C 7/00 20060101ALI20191118BHEP Ipc: C22C 38/04 20060101ALI20191118BHEP Ipc: B22D 11/124 20060101ALI20191118BHEP Ipc: C22C 38/20 20060101ALI20191118BHEP Ipc: C21C 7/04 20060101ALI20191118BHEP Ipc: C22C 38/06 20060101ALI20191118BHEP Ipc: B22D 11/22 20060101ALI20191118BHEP Ipc: C22C 38/02 20060101ALI20191118BHEP Ipc: C22C 38/22 20060101ALI20191118BHEP Ipc: C22C 38/44 20060101ALI20191118BHEP Ipc: C22C 38/32 20060101ALI20191118BHEP Ipc: C22C 38/26 20060101ALI20191118BHEP Ipc: C22C 38/24 20060101ALI20191118BHEP Ipc: C22C 38/60 20060101ALI20191118BHEP
2020-08-12	17Q	First examination report despatched	Effective date: 20200709
2020-09-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2020-10-07	18W	Application withdrawn	Effective date: 20200831

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