EP0674014A4 - Wärmeunbehandelter warmgeschmiedeter stahl mit hervorragender zugfestigkeit, ermüdungsfestigkeit und bearbeitbarkeit. - Google Patents

Wärmeunbehandelter warmgeschmiedeter stahl mit hervorragender zugfestigkeit, ermüdungsfestigkeit und bearbeitbarkeit.

Info

Publication number: EP0674014A4
Authority: EP; European Patent Office
Prior art keywords: heat; machinability; tensile strength; fatigue resistance; forged steel
Prior art date: 1993-10-12
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.): Granted

Application number

EP94929026A

Other languages

English (en)

French (fr)

Other versions

EP0674014B1 (de

EP0674014A1 (de

Inventor

Toshihiko Nippon Ste Takahashi

Fusao Nippon Steel Co Ishikawa

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.)

1993-10-12

Filing date

1994-10-11

Publication date

1996-02-07

1994-10-11 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

1995-09-27 Publication of EP0674014A1 publication Critical patent/EP0674014A1/de

1996-02-07 Publication of EP0674014A4 publication Critical patent/EP0674014A4/de

1999-07-28 Application granted granted Critical

1999-07-28 Publication of EP0674014B1 publication Critical patent/EP0674014B1/de

2014-10-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- C22C38/14—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
- C22C38/001—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
- C22C38/28—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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Steel (AREA)
Forging (AREA)

EP94929026A 1993-10-12 1994-10-11 Wärmeunbehandelter warmgeschmiedeter stahl mit hervorragender zugfestigkeit, ermüdungsfestigkeit und bearbeitbarkeit Expired - Lifetime EP0674014B1 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP254335/93		1993-10-12
JP25433593A JP3241897B2 (ja)	1993-10-12	1993-10-12	引張強度、疲労強度および被削性に優れる熱間鍛造用非調質鋼
JP25433593		1993-10-12
PCT/JP1994/001693 WO1995010637A1 (en)	1993-10-12	1994-10-11	Non-heat-treated hot-forging steel excellent in tensile strength, fatigue strength and machinability

Publications (3)

Publication Number	Publication Date
EP0674014A1 EP0674014A1 (de)	1995-09-27
EP0674014A4 true EP0674014A4 (de)	1996-02-07
EP0674014B1 EP0674014B1 (de)	1999-07-28

Family

ID=17263582

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94929026A Expired - Lifetime EP0674014B1 (de)	1993-10-12	1994-10-11	Wärmeunbehandelter warmgeschmiedeter stahl mit hervorragender zugfestigkeit, ermüdungsfestigkeit und bearbeitbarkeit

Country Status (6)

Country	Link
EP (1)	EP0674014B1 (de)
JP (1)	JP3241897B2 (de)
KR (1)	KR0180938B1 (de)
CN (1)	CN1039035C (de)
DE (1)	DE69419720T2 (de)
WO (1)	WO1995010637A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2774098B1 (fr) *	1998-01-28	2001-08-03	Ascometal Sa	Acier et procede pour la fabrication de pieces de mecanique secables
KR20010048426A (ko) *	1999-11-26	2001-06-15	이계안	앞차축 빔용 저 탄소계 고인성 비조질강 단조품
KR100435461B1 (ko) *	1999-12-20	2004-06-10	주식회사 포스코	재질편차가 적은 냉간압조용 강재의 제조방법
RU2175993C2 (ru) *	1999-12-31	2001-11-20	Открытое акционерное общество "Икар" Курганский завод трубопроводной арматуры	Хладностойкая модифицированная литая сталь и способ ее производства
JP3888865B2 (ja) *	2000-10-25	2007-03-07	株式会社ゴーシュー	鍛造方法
KR100401571B1 (ko) *	2001-02-20	2003-10-17	한국기계연구원	고강도 베이나이트계 열간단조용 비조질강재 및 그제조방법
DE602004017144D1 (de) *	2003-03-18	2008-11-27	Sumitomo Metal Ind	Nicht abgeschreckte/getemperte pleuelstange und zugehöriges herstellungsverfahren
CA2531615A1 (en) *	2004-12-28	2006-06-28	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	High strength thin steel sheet having high hydrogen embrittlement resisting property
CN100500918C (zh) *	2007-03-29	2009-06-17	攀钢集团成都钢铁有限责任公司	大口径非调质石油套管用钢
CN102851471A (zh) *	2012-09-27	2013-01-02	攀枝花学院	低碳合金钢快速获得细小铁素体晶粒的热处理方法
PL3168312T3 (pl) *	2015-11-16	2019-09-30	Deutsche Edelstahlwerke Specialty Steel Gmbh & Co. Kg	Stopowa stal konstrukcyjna o strukturze bainitycznej, wytworzony z niej element kuty i sposób wytwarzania elementu kutego
CN105734414A (zh) *	2016-02-19	2016-07-06	唐山钢铁集团有限责任公司	一种中碳非调质钢及其生产方法
US11261511B2 (en) *	2017-10-31	2022-03-01	Nippon Steel Corporation	Hot forged steel material
CN111154945B (zh) *	2020-01-17	2021-05-28	中天钢铁集团有限公司	一种Ti、V微合金化铝脱氧含硫非调质钢中液析氮化物的控制方法
CN115502324B (zh) *	2022-09-14	2025-07-22	中天钢铁集团有限公司	一种非调质型螺栓的制造方法
CN115896614A (zh) *	2022-10-31	2023-04-04	中国第一汽车股份有限公司	一种含铌贝氏体非调质钢材料、转向节以及制备方法
WO2024106398A1 (ja)	2022-11-18	2024-05-23	Ｊｆｅスチール株式会社	熱間鍛造非調質鋼およびその製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01176055A (ja) *	1987-12-28	1989-07-12	Kawasaki Steel Corp	被削性に優れた熱間鍛造用非調質鋼
JPH05279790A (ja) *	1992-03-30	1993-10-26	Sumitomo Metal Ind Ltd	高温延性の優れた高強度非調質鋼
JPH0673490A (ja) *	1992-08-26	1994-03-15	Aichi Steel Works Ltd	高靭性非調質圧延棒鋼

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS589813B2 (ja) *	1978-03-14	1983-02-23	住友金属工業株式会社	非調質鍛鋼品の製造方法
JPS61104049A (ja) *	1984-10-26	1986-05-22	Daido Steel Co Ltd	機械構造用鋼
JPS61261464A (ja) *	1985-05-13	1986-11-19	Daido Steel Co Ltd	機械構造用鋼
JPS62167855A (ja) *	1986-01-21	1987-07-24	Nippon Kokan Kk <Nkk>	耐疲労特性の優れた熱間鍛造用非調質鋼
JPH04210449A (ja) *	1990-12-12	1992-07-31	Toa Steel Co Ltd	高靱性熱間鍛造用非調質鋼

1993
- 1993-10-12 JP JP25433593A patent/JP3241897B2/ja not_active Expired - Fee Related
1994
- 1994-10-11 KR KR1019950702391A patent/KR0180938B1/ko not_active Expired - Fee Related
- 1994-10-11 CN CN94190781A patent/CN1039035C/zh not_active Expired - Fee Related
- 1994-10-11 EP EP94929026A patent/EP0674014B1/de not_active Expired - Lifetime
- 1994-10-11 WO PCT/JP1994/001693 patent/WO1995010637A1/ja not_active Ceased
- 1994-10-11 DE DE69419720T patent/DE69419720T2/de not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01176055A (ja) *	1987-12-28	1989-07-12	Kawasaki Steel Corp	被削性に優れた熱間鍛造用非調質鋼
JPH05279790A (ja) *	1992-03-30	1993-10-26	Sumitomo Metal Ind Ltd	高温延性の優れた高強度非調質鋼
JPH0673490A (ja) *	1992-08-26	1994-03-15	Aichi Steel Works Ltd	高靭性非調質圧延棒鋼

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 457 (C - 644) 16 October 1989 (1989-10-16) *
PATENT ABSTRACTS OF JAPAN vol. 18, no. 068 (C - 1161) 4 February 1994 (1994-02-04) *
PATENT ABSTRACTS OF JAPAN vol. 18, no. 328 (C - 1215) 22 June 1994 (1994-06-22) *
See also references of WO9510637A1 *

Also Published As

Publication number	Publication date
EP0674014B1 (de)	1999-07-28
DE69419720T2 (de)	1999-12-16
JP3241897B2 (ja)	2001-12-25
CN1115582A (zh)	1996-01-24
JPH07109545A (ja)	1995-04-25
CN1039035C (zh)	1998-07-08
EP0674014A1 (de)	1995-09-27
DE69419720D1 (de)	1999-09-02
KR950704530A (ko)	1995-11-20
WO1995010637A1 (en)	1995-04-20
KR0180938B1 (ko)	1999-02-18

Legal Events

Date	Code	Title	Description
1995-08-11	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
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1995-12-13	17P	Request for examination filed	Effective date: 19951017
1996-02-07	A4	Supplementary search report drawn up and despatched	Effective date: 19951221
1996-02-07	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): DE FR GB IT
1998-06-24	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1998-08-12	17Q	First examination report despatched	Effective date: 19980629
1999-01-16	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1999-01-21	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1999-01-21	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
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Publication	Publication Date	Title
DE69203906D1 (de)	1995-09-14	Niedrig legierter, hitzebeständiger Stahl mit verbesserter Dauerstandfestigkeit und Zähigkeit.
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