EP2246450A4 - Tôles d'acier et leur procédé de fabrication - Google Patents

Tôles d'acier et leur procédé de fabrication

Info

Publication number
EP2246450A4
EP2246450A4 EP08861016A EP08861016A EP2246450A4 EP 2246450 A4 EP2246450 A4 EP 2246450A4 EP 08861016 A EP08861016 A EP 08861016A EP 08861016 A EP08861016 A EP 08861016A EP 2246450 A4 EP2246450 A4 EP 2246450A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
same
steel sheets
sheets
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.)
Granted
Application number
EP08861016A
Other languages
German (de)
English (en)
Other versions
EP2246450B1 (fr
EP2246450A1 (fr
Inventor
Nobusuke Kariya
Kazuhiro Seto
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.)
JFE Steel Corp
Original Assignee
JFE 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
Priority claimed from JP2007326868A external-priority patent/JP5157416B2/ja
Priority claimed from JP2007326869A external-priority patent/JP5157417B2/ja
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2246450A1 publication Critical patent/EP2246450A1/fr
Publication of EP2246450A4 publication Critical patent/EP2246450A4/fr
Application granted granted Critical
Publication of EP2246450B1 publication Critical patent/EP2246450B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C21D2211/003—Cementite
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/006—Graphite
EP08861016.7A 2007-12-19 2008-11-20 Tôles d'acier et leur procédé de fabrication Not-in-force EP2246450B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007326868A JP5157416B2 (ja) 2007-12-19 2007-12-19 鋼板およびその製造方法
JP2007326869A JP5157417B2 (ja) 2007-12-19 2007-12-19 鋼板およびその製造方法
PCT/JP2008/071597 WO2009078261A1 (fr) 2007-12-19 2008-11-20 Tôles d'acier et leur procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2246450A1 EP2246450A1 (fr) 2010-11-03
EP2246450A4 true EP2246450A4 (fr) 2012-01-25
EP2246450B1 EP2246450B1 (fr) 2013-09-04

Family

ID=40795380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08861016.7A Not-in-force EP2246450B1 (fr) 2007-12-19 2008-11-20 Tôles d'acier et leur procédé de fabrication

Country Status (4)

Country Link
EP (1) EP2246450B1 (fr)
KR (2) KR20100076073A (fr)
CN (1) CN101903547B (fr)
WO (1) WO2009078261A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906597A (zh) * 2010-08-14 2010-12-08 武汉钢铁(集团)公司 一种环保型高性能石墨化易切削钢
JP5594226B2 (ja) * 2011-05-18 2014-09-24 Ｊｆｅスチール株式会社 高炭素薄鋼板およびその製造方法
JP5338873B2 (ja) * 2011-08-05 2013-11-13 Ｊｆｅスチール株式会社 引張強度４４０ＭＰａ以上の加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
KR101979477B1 (ko) * 2012-01-05 2019-05-16 제이에프이 스틸 가부시키가이샤 퀀칭성이 우수한 면내 이방성이 작은 고탄소 열연 강판 및 그 제조 방법
JP6479538B2 (ja) * 2015-03-31 2019-03-06 株式会社神戸製鋼所 機械構造部品用鋼線
CN106048179B (zh) * 2016-07-15 2017-09-15 北京科技大学 一种石墨化热轧钢板的制备方法
CN113862609B (zh) * 2021-09-03 2022-05-27 北京科技大学 利用渗碳、表面石墨化提高中低碳钢工件耐磨减摩的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08246051A (ja) * 1995-03-07 1996-09-24 Sumitomo Metal Ind Ltd 加工性に優れた中炭素鋼板の製造方法
JPH08291362A (ja) * 1995-04-21 1996-11-05 Sumitomo Metal Ind Ltd 冷間加工性に優れた鋼材
JPH1180884A (ja) * 1997-09-08 1999-03-26 Nisshin Steel Co Ltd 局部延性および焼入れ性に優れた中・高炭素鋼板
JP2003073742A (ja) * 2001-08-31 2003-03-12 Nkk Corp 高焼入れ性高炭素熱延鋼板の製造方法
WO2007000955A1 (fr) * 2005-06-29 2007-01-04 Jfe Steel Corporation Feuille d’acier à forte teneur en carbone laminée à chaud et son procédé de fabrication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830241B2 (ja) 1987-07-20 1996-03-27 川崎製鉄株式会社 加工性及び靭性に優れ、かつ焼入性の良好な鋼板と、その製造方法
JPH02107742A (ja) * 1988-10-14 1990-04-19 Kawasaki Steel Corp 加工性、焼入性に優れた鋼材
JPH04124216A (ja) * 1990-09-12 1992-04-24 Sumitomo Metal Ind Ltd 成形性の良好な高炭素薄鋼板の製造方法
JPH04202744A (ja) 1990-11-30 1992-07-23 Sumitomo Metal Ind Ltd 成形性の良好な高炭素薄鋼板とその製造方法
JPH0913142A (ja) * 1991-01-17 1997-01-14 Kawasaki Steel Corp 曲げ加工性及び熱処理性に優れた黒鉛析出熱間圧延鋼 板ならびにその製造方法
JP3241748B2 (ja) * 1991-04-11 2001-12-25 川崎製鉄株式会社 加工性と焼入れ性に優れた鋼材及びその製造方法
JPH06323399A (ja) * 1992-06-30 1994-11-25 Sumitomo Metal Ind Ltd 自動車用ギヤおよびその製造方法
JPH07258743A (ja) 1994-03-18 1995-10-09 Sumitomo Metal Ind Ltd 加工性に優れた中炭素鋼板の製造方法
JP5011846B2 (ja) * 2005-06-29 2012-08-29 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08246051A (ja) * 1995-03-07 1996-09-24 Sumitomo Metal Ind Ltd 加工性に優れた中炭素鋼板の製造方法
JPH08291362A (ja) * 1995-04-21 1996-11-05 Sumitomo Metal Ind Ltd 冷間加工性に優れた鋼材
JPH1180884A (ja) * 1997-09-08 1999-03-26 Nisshin Steel Co Ltd 局部延性および焼入れ性に優れた中・高炭素鋼板
JP2003073742A (ja) * 2001-08-31 2003-03-12 Nkk Corp 高焼入れ性高炭素熱延鋼板の製造方法
WO2007000955A1 (fr) * 2005-06-29 2007-01-04 Jfe Steel Corporation Feuille d’acier à forte teneur en carbone laminée à chaud et son procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009078261A1 *

Also Published As

Publication number Publication date
CN101903547A (zh) 2010-12-01
CN101903547B (zh) 2012-05-23
EP2246450B1 (fr) 2013-09-04
WO2009078261A1 (fr) 2009-06-25
KR20130035276A (ko) 2013-04-08
EP2246450A1 (fr) 2010-11-03
KR20100076073A (ko) 2010-07-05

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