JP5186636B2 - 二相組織を有するホットストリップを製造する方法及び設備 - Google Patents
二相組織を有するホットストリップを製造する方法及び設備 Download PDFInfo
- Publication number
- JP5186636B2 JP5186636B2 JP2006515855A JP2006515855A JP5186636B2 JP 5186636 B2 JP5186636 B2 JP 5186636B2 JP 2006515855 A JP2006515855 A JP 2006515855A JP 2006515855 A JP2006515855 A JP 2006515855A JP 5186636 B2 JP5186636 B2 JP 5186636B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- strip
- temperature
- ferrite
- water
- 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
Links
Images
Classifications
-
- 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
-
- 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
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments 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
- C22C38/02—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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- 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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Description
a)終了圧延温度が明らかにA3温度未満にあり、
b)第2の冷却段階で300℃未満の温度まで冷却され、
c)冷却速度が150K/s未満でかつ30K/sより上にあり、
d)冷却を実行しない最大で5秒の非常に短い保持期間が双方の冷却段階との間にあり、e)フェライトへの変態が等温で実行されることを特徴とする。
一般に各冷却群は、上面と下面との両冷却桁を4つずつ有する。また各冷却桁は、ストリップ上面10′及びストリップ下面10″を冷却する水管に沿って2列に構成される。特徴としては、図2中に示された冷却群31は、スペースの理由から上面で1つの冷却桁だけ短くされている。
2 最後の仕上げ圧延機
31−7 冷却群
4 冷却群(調整帯)
5 コイラー
6 温度測定点
7 切換可能なバルブ
8 搬送方向
10 ホットストリップ
10′ ストリップ上面
10″ ストリップ下面
V1 第1の冷却段階の冷却速度
V2 第2の冷却段階の冷却速度
Tfinish 最後の仕上げ圧延機後のストリップ温度
Tconst. 保持期間後のストリップ温度
Tcoiling 冷却終了後のストリップ温度(コイル温度)
Claims (5)
- 仕上げ圧延後に、間隔をあけて前後して配置された水冷群(31−7,4)から構成された冷却ライン(1,1′)内でマルテンサイトの開始温度より低いストリップ温度に2段式に制御して冷却することによって、熱間圧延された状況からフェライト及びマルテンサイトから成る二相組織を有するホットストリップ(10)を製造し、オーステナイトの少なくとも70%が、フェライトに変態されている方法において、
化学組成:0.01−0.08%C,0.9%Si,0.5−1.6%Mn,1.2%Al,0.3−1.2%Cr,残りのFe及び不純物元素から成る鋼から出発して、鋳造圧延装置の冷却ライン内で高い機械強度及び高い変形性として600MPaよりも大きい引っ張り強さ及び25%以上の伸び率を呈する70〜95%のフェライト及び30〜5%のマルテンサイトから成る二相組織から成るホットストリップ(10)を得るため、
a)2段式に制御された冷却が、A3−100Kより高くA3−50Kより低い最終圧延のストリップ温度Tfinishから300℃未満のコイラーのストリップ温度Tcoilingまで実行され、当該双方の冷却段階中の冷却速度(V1,2)が、V=30〜150K/sであり、
b)第1の冷却段階は、冷却曲線がフェライト領域内に入るまで実行され、次いでオーステナイトからフェライトへの変態によって放出された変態熱が、第2の冷却段階の開始までの最大で5秒の保持期間に、発生したストリップ温度(Tconst)を等温に保持するために利用されることを特徴とする方法。 - 前記冷却速度(V1,2)は、V=50〜90K/sであることを特徴とする請求項1に記載の方法。
- 最後の仕上げ圧延機(2)の後方に配置され、間隔をあけて前後して配置された複数の冷却群(31−7,4)を有する冷却ライン(1,1′)を備えた、熱間圧延された状況から二相組織から成るホットストリップ(10)を製造する請求項1又は2に記載の方法を実行するための鋳造圧延装置において、
前記冷却ライン(1,1′)は、50m未満の長さを有し、各冷却段階の必要な冷却速度(V1,2)が、ストリップ厚さ及びストリップ速度に応じて適合された全冷却ラインの操作によって調整され、ストリップ温度(Tconst)の必要な保持期間が、当該双方の冷却段階との間に得られるように、対応する数の制御可能な水冷群(31−7,4)が、当該長さ内に配置されていることを特徴とする鋳造圧延装置。 - 各冷却群(31−7,4)は、切換可能なバルブ(7)によって制御可能な複数の冷却桁を有し、所定の水量が、進行するホットストリップ(10)のストリップ上面(10′)及びストリップ下面(10″)に均一に当たるように、前記冷却桁は配置されていて、前記ストリップ上面(10′)に対する水量及び前記ストリップ下面(10″)に対する水量は、互いに調整可能であることを特徴とする請求項3に記載の鋳造圧延装置。
- 水量をより正確に調整するため、前記ストリップ上面(10′)及び前記ストリップ下面(10″)を冷却する最後の水冷群(4)は、上の4つの冷却桁と下の4つの冷却桁とのために、それぞれ8つの切換可能なバルブ(7)を有することを特徴とする請求項4に記載の鋳造圧延装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10327383A DE10327383C5 (de) | 2003-06-18 | 2003-06-18 | Anlage zur Herstellung von Warmband mit Dualphasengefüge |
DE10327383.2 | 2003-06-18 | ||
PCT/EP2004/006170 WO2004111279A2 (de) | 2003-06-18 | 2004-06-08 | Verfahren und anlage zur herstellung von warmband mit dualphasengefüge |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006527790A JP2006527790A (ja) | 2006-12-07 |
JP2006527790A5 JP2006527790A5 (ja) | 2011-03-03 |
JP5186636B2 true JP5186636B2 (ja) | 2013-04-17 |
Family
ID=33546580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006515855A Expired - Fee Related JP5186636B2 (ja) | 2003-06-18 | 2004-06-08 | 二相組織を有するホットストリップを製造する方法及び設備 |
Country Status (14)
Country | Link |
---|---|
US (1) | US20070175548A1 (ja) |
EP (1) | EP1633894B1 (ja) |
JP (1) | JP5186636B2 (ja) |
KR (1) | KR20060057538A (ja) |
CN (1) | CN100381588C (ja) |
CA (1) | CA2529837C (ja) |
DE (1) | DE10327383C5 (ja) |
EG (1) | EG23893A (ja) |
MY (1) | MY136875A (ja) |
RU (1) | RU2346061C2 (ja) |
TW (1) | TWI300443B (ja) |
UA (1) | UA81329C2 (ja) |
WO (1) | WO2004111279A2 (ja) |
ZA (1) | ZA200509876B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100447260C (zh) * | 2006-06-23 | 2008-12-31 | 宝山钢铁股份有限公司 | 盘式带钢快速冷却试验装置及其使用方法 |
EP2361699A1 (de) | 2010-02-26 | 2011-08-31 | Siemens Aktiengesellschaft | Verfahren zur Kühlung eines Blechs mittels einer Kühlstrecke, Kühlstrecke und Steuer- und/oder Regeleinrichtung für eine Kühlstrecke |
DE102011000089A1 (de) * | 2011-01-11 | 2012-07-12 | Thyssenkrupp Steel Europe Ag | Verfahren zum Herstellen eines warmgewalzten Stahlflachprodukts |
CN103215420B (zh) * | 2012-12-31 | 2015-02-04 | 西安石油大学 | 一种大变形管线钢双相组织的获取方法 |
CN104043660B (zh) * | 2013-09-26 | 2015-09-30 | 北大方正集团有限公司 | 一种非调质钢的生产工艺 |
DE102017206540A1 (de) * | 2017-04-18 | 2018-10-18 | Sms Group Gmbh | Vorrichtung und Verfahren zum Kühlen von Metallbändern oder -blechen |
DE102017127470A1 (de) * | 2017-11-21 | 2019-05-23 | Sms Group Gmbh | Kühlbalken und Kühlprozess mit variabler Abkühlrate für Stahlbleche |
DE102017220891A1 (de) * | 2017-11-22 | 2019-05-23 | Sms Group Gmbh | Verfahren zum Kühlen eines metallischen Guts und Kühlbalken |
CN109576581A (zh) | 2018-11-30 | 2019-04-05 | 宝山钢铁股份有限公司 | 一种高表面质量、低屈强比热轧高强度钢板及制造方法 |
CN110724801B (zh) * | 2019-10-28 | 2021-02-12 | 重庆科技学院 | Cr-Mo超高强钢在奥氏体和铁素体两相区等温热处理后直接深冷处理提高强韧性的方法 |
RU2724217C1 (ru) * | 2020-02-04 | 2020-06-22 | Антон Владимирович Шмаков | Способ производства стального проката |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3533261A (en) * | 1967-06-15 | 1970-10-13 | Frans Hollander | Method and a device for cooling hot-rolled metal strip on a run-out table after being rolled |
FR223577A (ja) * | 1973-12-11 | |||
US4159218A (en) * | 1978-08-07 | 1979-06-26 | National Steel Corporation | Method for producing a dual-phase ferrite-martensite steel strip |
SE430902B (sv) * | 1979-05-09 | 1983-12-19 | Svenskt Stal Ab | Sett att vermebehandla ett stalband med 0,05 - 0,20% kolhalt och laga halter legeringsemnen |
JPS57137452A (en) * | 1981-02-20 | 1982-08-25 | Kawasaki Steel Corp | Hot rolled high tensile steel plate having composite structure and its manufacture |
JPS57137426A (en) * | 1981-02-20 | 1982-08-25 | Kawasaki Steel Corp | Production of low yield ratio, high tensile hot rolled steel plate by mixed structure |
DE3440752A1 (de) * | 1984-11-08 | 1986-05-22 | Thyssen Stahl AG, 4100 Duisburg | Verfahren zur herstellung von warmband mit zweiphasen-gefuege |
JPS63207410A (ja) | 1987-02-24 | 1988-08-26 | Kawasaki Steel Corp | 熱延鋼帯の板幅変動防止方法 |
JPH0763749B2 (ja) | 1988-11-15 | 1995-07-12 | 日本鋼管株式会社 | 熱間圧延後の冷却方法 |
JPH0390206A (ja) * | 1989-08-31 | 1991-04-16 | Kobe Steel Ltd | 熱延鋼板の冷却制御方法 |
JPH04167916A (ja) | 1990-10-30 | 1992-06-16 | Sumitomo Metal Ind Ltd | スプレー用給水圧力制御装置 |
JPH06190419A (ja) | 1992-12-24 | 1994-07-12 | Kawasaki Steel Corp | ストリップの冷却方法 |
JPH06238312A (ja) * | 1993-02-18 | 1994-08-30 | Sumitomo Metal Ind Ltd | 熱延鋼板の冷却制御方法 |
DE19513999C2 (de) | 1995-04-13 | 1999-07-29 | Sundwig Gmbh | Fertigungslinie und deren Verwendung zum Herstellen von Stahlband |
FR2735148B1 (fr) * | 1995-06-08 | 1997-07-11 | Lorraine Laminage | Tole d'acier laminee a chaud a haute resistance et haute emboutissabilite renfermant du niobium, et ses procedes de fabrication. |
EP0750049A1 (de) * | 1995-06-16 | 1996-12-27 | Thyssen Stahl Aktiengesellschaft | Ferritischer Stahl und Verfahren zu seiner Herstellung und Verwendung |
CN1161378A (zh) * | 1996-01-16 | 1997-10-08 | 艾利格汉尼·勒德鲁姆公司 | 生产双相铁素体不锈钢带的方法 |
KR100334949B1 (ko) * | 1997-03-17 | 2002-05-04 | 아사무라 타카싯 | 동적변형 특성이 우수한 듀얼 페이즈형 고강도 강판 및 그 제조방법 |
DE19833321A1 (de) * | 1998-07-24 | 2000-01-27 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von Dualphasen-Stählen |
DE19963186B4 (de) | 1999-12-27 | 2005-04-14 | Siemens Ag | Verfahren zur Steuerung und/oder Regelung der Kühlstrecke einer Warmbandstrasse zum Walzen von Metallband und zugehörige Vorrichtung |
DE10129565C5 (de) | 2001-06-20 | 2007-12-27 | Siemens Ag | Kühlverfahren für ein warmgewalztes Walzgut und hiermit korrespondierendes Kühlstreckenmodell |
US20080178972A1 (en) | 2006-10-18 | 2008-07-31 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) | High strength steel sheet and method for producing the same |
-
2003
- 2003-06-18 DE DE10327383A patent/DE10327383C5/de not_active Expired - Fee Related
-
2004
- 2004-06-08 RU RU2006101338/02A patent/RU2346061C2/ru active
- 2004-06-08 KR KR1020057023848A patent/KR20060057538A/ko not_active Application Discontinuation
- 2004-06-08 CN CNB2004800167574A patent/CN100381588C/zh not_active Expired - Fee Related
- 2004-06-08 WO PCT/EP2004/006170 patent/WO2004111279A2/de active Application Filing
- 2004-06-08 US US10/561,385 patent/US20070175548A1/en not_active Abandoned
- 2004-06-08 JP JP2006515855A patent/JP5186636B2/ja not_active Expired - Fee Related
- 2004-06-08 CA CA2529837A patent/CA2529837C/en not_active Expired - Fee Related
- 2004-06-08 EP EP04739698.1A patent/EP1633894B1/de not_active Revoked
- 2004-06-16 MY MYPI20042336A patent/MY136875A/en unknown
- 2004-06-16 TW TW093117287A patent/TWI300443B/zh not_active IP Right Cessation
- 2004-08-06 UA UAA200600445A patent/UA81329C2/uk unknown
-
2005
- 2005-12-06 ZA ZA200509876A patent/ZA200509876B/xx unknown
- 2005-12-17 EG EGNA2005000837 patent/EG23893A/xx active
Also Published As
Publication number | Publication date |
---|---|
TWI300443B (en) | 2008-09-01 |
CA2529837C (en) | 2012-08-21 |
KR20060057538A (ko) | 2006-05-26 |
ZA200509876B (en) | 2006-11-29 |
WO2004111279A2 (de) | 2004-12-23 |
EG23893A (en) | 2007-12-13 |
CN100381588C (zh) | 2008-04-16 |
US20070175548A1 (en) | 2007-08-02 |
UA81329C2 (en) | 2007-12-25 |
WO2004111279A3 (de) | 2005-05-06 |
MY136875A (en) | 2008-11-28 |
EP1633894B1 (de) | 2017-04-26 |
TW200502405A (en) | 2005-01-16 |
DE10327383A1 (de) | 2005-02-10 |
DE10327383B4 (de) | 2010-10-14 |
RU2006101338A (ru) | 2006-06-10 |
CA2529837A1 (en) | 2004-12-23 |
CN1820086A (zh) | 2006-08-16 |
JP2006527790A (ja) | 2006-12-07 |
DE10327383C5 (de) | 2013-10-17 |
EP1633894A2 (de) | 2006-03-15 |
RU2346061C2 (ru) | 2009-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6855218B1 (en) | Method for producing a hot-rolled strip | |
RU2398028C2 (ru) | Способ изготовления горячекатаной полосы с многофазной структурой | |
US20160017449A1 (en) | 700MPA-Level High-Strength Hot Rolling Q&P Steel And Method Of Manufacturing The Same | |
JP2009540113A (ja) | 薄スラブをベースにしてシリコン鋼から成る熱間ストリップ圧延材を製造するための方法及び装置 | |
JP5186636B2 (ja) | 二相組織を有するホットストリップを製造する方法及び設備 | |
JP2004505771A (ja) | 薄いフラット製品を造るための製造方法および製造装置 | |
KR20080060091A (ko) | 조관후 강도변화가 작은 스파이럴 강관용 후물 열연 고강도api-x80 급 강재 및 제조방법 | |
CN103080357A (zh) | 延伸凸缘性优良的高强度冷轧钢板及其制造方法 | |
JP2006527790A5 (ja) | ||
JPS61159528A (ja) | 加工用熱延鋼板の製造方法 | |
JP3716629B2 (ja) | 薄物2相組織熱延鋼帯の製造方法 | |
JP3598868B2 (ja) | 熱間圧延線材の製造方法 | |
WO2008108483A1 (ja) | 強度および靭性の均質性に優れた薄肉厚鋼板、その製造方法、およびその製造設備 | |
EP1444371B1 (en) | In-line process for the recrystallization of solidified coarse strips in carbon steel and in low-alloyed steel | |
JP2008248383A (ja) | 直接焼入れ型薄肉厚鋼板およびその製造方法 | |
JPH03274231A (ja) | 薄帯鋼板の製造方法 | |
JPS607004B2 (ja) | 直接パテンテイング線材の製造法 | |
JP4144064B2 (ja) | 鋼板の製造方法 | |
JP3214348B2 (ja) | 合金鋼鋼管の製造方法 | |
JP4336269B2 (ja) | 溶融亜鉛めっき高張力鋼板の製造装置 | |
JP2003055716A (ja) | 高加工性高強度熱延鋼板の製造方法 | |
KR101225442B1 (ko) | 냉각속도를 조절가능한 다단 냉각상 냉각방법 및 냉각장치 | |
JP3145419B2 (ja) | 材質均一性に優れる熱延高張力鋼板の製造方法 | |
KR20130072881A (ko) | 성형성이 우수한 고탄소 강판 및 그 제조방법 | |
JP2790730B2 (ja) | 材質均一性に優れた高炭素鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070406 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100412 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20100517 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100713 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20101012 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20101019 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20101112 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20101119 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20101213 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20101220 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20110112 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111018 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120112 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121106 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121204 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160201 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5186636 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |