DE69419720D1 - HEAT-TREATED HEAT-FORGED STEEL WITH EXCELLENT TENSILE STRENGTH, FATIGUE RESISTANCE AND MACHINABILITY - Google Patents

HEAT-TREATED HEAT-FORGED STEEL WITH EXCELLENT TENSILE STRENGTH, FATIGUE RESISTANCE AND MACHINABILITY

Info

Publication number
DE69419720D1
DE69419720D1 DE69419720T DE69419720T DE69419720D1 DE 69419720 D1 DE69419720 D1 DE 69419720D1 DE 69419720 T DE69419720 T DE 69419720T DE 69419720 T DE69419720 T DE 69419720T DE 69419720 D1 DE69419720 D1 DE 69419720D1
Authority
DE
Germany
Prior art keywords
heat
machinability
tensile strength
fatigue resistance
forged steel
Prior art date
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.)
Expired - Fee Related
Application number
DE69419720T
Other languages
German (de)
Other versions
DE69419720T2 (en
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.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69419720D1 publication Critical patent/DE69419720D1/en
Publication of DE69419720T2 publication Critical patent/DE69419720T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22C38/001—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
    • C22C38/14—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
    • C22C38/18—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)
DE69419720T 1993-10-12 1994-10-11 HEAT-TREATED HEAT-FORGED STEEL WITH EXCELLENT TENSILE STRENGTH, FATIGUE RESISTANCE AND MACHINABILITY Expired - Fee Related DE69419720T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25433593A JP3241897B2 (en) 1993-10-12 1993-10-12 Non-heat treated steel for hot forging with excellent tensile strength, fatigue strength and machinability
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 (2)

Publication Number Publication Date
DE69419720D1 true DE69419720D1 (en) 1999-09-02
DE69419720T2 DE69419720T2 (en) 1999-12-16

Family

ID=17263582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419720T Expired - Fee Related DE69419720T2 (en) 1993-10-12 1994-10-11 HEAT-TREATED HEAT-FORGED STEEL WITH EXCELLENT TENSILE STRENGTH, FATIGUE RESISTANCE AND MACHINABILITY

Country Status (6)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774098B1 (en) * 1998-01-28 2001-08-03 Ascometal Sa STEEL AND PROCESS FOR THE MANUFACTURE OF SECABLE MECHANICAL PARTS
KR20010048426A (en) * 1999-11-26 2001-06-15 이계안 A compound of non-quenched and tempered steel of low carbon and high toughness for the front axle beam
KR100435461B1 (en) * 1999-12-20 2004-06-10 주식회사 포스코 A method for manufacturing steel material for cold forging with low property deviation
JP3888865B2 (en) * 2000-10-25 2007-03-07 株式会社ゴーシュー Forging method
KR100401571B1 (en) * 2001-02-20 2003-10-17 한국기계연구원 High strength microalloyed steel having bainite structure for hot forging and manufacturing method therefor
EP1605071B1 (en) * 2003-03-18 2008-10-15 Sumitomo Metal Industries, Ltd. Non-quenched/tempered connecting rod and method of producing the same
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 (en) * 2007-03-29 2009-06-17 攀钢集团成都钢铁有限责任公司 Steel for large diameter non-tempering petroleum sleeve
CN102851471A (en) * 2012-09-27 2013-01-02 攀枝花学院 Heat treatment method for rapidly obtaining fine ferrite grains by low carbon alloy steel
DK3168312T3 (en) * 2015-11-16 2019-07-01 Deutsche Edelstahlwerke Specialty Steel Gmbh & Co Kg Structural steel with bainitic structure, forging blank made therefrom and method for producing a forging blank
CN105734414A (en) * 2016-02-19 2016-07-06 唐山钢铁集团有限责任公司 Medium-carbon non-quenched and tempered steel and production method thereof
MX2020004500A (en) * 2017-10-31 2020-08-13 Nippon Steel Corp Hot forged steel.
CN111154945B (en) * 2020-01-17 2021-05-28 中天钢铁集团有限公司 Control method for liquated nitrides in Ti and V microalloyed aluminum deoxidized sulfur-containing non-quenched and tempered steel
CN115896614A (en) * 2022-10-31 2023-04-04 中国第一汽车股份有限公司 Niobium-containing bainite non-quenched and tempered steel material, steering knuckle and preparation method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589813B2 (en) * 1978-03-14 1983-02-23 住友金属工業株式会社 Manufacturing method for non-thermal forged steel products
JPS61104049A (en) * 1984-10-26 1986-05-22 Daido Steel Co Ltd Steel for machine structural use
JPS61261464A (en) * 1985-05-13 1986-11-19 Daido Steel Co Ltd Steel for machine structural use
JPS62167855A (en) * 1986-01-21 1987-07-24 Nippon Kokan Kk <Nkk> Unrefined steel for hot forging having superior fatigue resistance
JPH01176055A (en) * 1987-12-28 1989-07-12 Kawasaki Steel Corp Non-heat treated steel for hot forging having excellent machinability
JPH04210449A (en) * 1990-12-12 1992-07-31 Toa Steel Co Ltd High toughness non-heat treated steel for hot forging
JP2929835B2 (en) * 1992-03-30 1999-08-03 住友金属工業株式会社 High-strength non-heat treated steel with excellent hot ductility
JPH0673490A (en) * 1992-08-26 1994-03-15 Aichi Steel Works Ltd High toughness non-heat-treated rolled bar steel

Also Published As

Publication number Publication date
CN1115582A (en) 1996-01-24
JPH07109545A (en) 1995-04-25
JP3241897B2 (en) 2001-12-25
EP0674014A1 (en) 1995-09-27
DE69419720T2 (en) 1999-12-16
EP0674014A4 (en) 1996-02-07
WO1995010637A1 (en) 1995-04-20
KR0180938B1 (en) 1999-02-18
CN1039035C (en) 1998-07-08
KR950704530A (en) 1995-11-20
EP0674014B1 (en) 1999-07-28

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee