SI2924140T1 - Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti - Google Patents

Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti Download PDF

Info

Publication number
SI2924140T1
SI2924140T1 SI201430572T SI201430572T SI2924140T1 SI 2924140 T1 SI2924140 T1 SI 2924140T1 SI 201430572 T SI201430572 T SI 201430572T SI 201430572 T SI201430572 T SI 201430572T SI 2924140 T1 SI2924140 T1 SI 2924140T1
Authority
SI
Slovenia
Prior art keywords
rolling
winding
steel flat
rolled steel
content
Prior art date
Application number
SI201430572T
Other languages
English (en)
Inventor
Dr. Alexander Gaganov
Wolfgang Gervers
Prof. Dr. Andreas Kern
Gabriel Kolek
Elena Schaffnit
Hans-Joachim Tschersich
Original Assignee
Thyssenkrupp Steel Europe Ag
Thyssenkrupp Ag
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 Thyssenkrupp Steel Europe Ag, Thyssenkrupp Ag filed Critical Thyssenkrupp Steel Europe Ag
Publication of SI2924140T1 publication Critical patent/SI2924140T1/sl

Links

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/002—Bainite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)

Claims (13)

  1. Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti Patentni zahtevki
    1. Postopek za izdelavo jeklenega ploščatega izdelka z mejo plastičnosti vsaj 700 MPa in s strukturo, ki je vsaj 70 vol. % bainitna, obsegajoč naslednje delovne korake: a) taljenje jeklene taline, ki sestoji iz (v mas. %): C: 0,05 - 0,08 %, Si: 0,015-0,500 %, Mn: 1,60 - 2,00 %, P: do 0,025 %, S: do 0,010%, Al: 0,020 - 0,050 %, N: do 0,006 %, Cr: do 0,40 %, Nb: 0,060 - 0,070 %, B: 0,0005 - 0,0025 %, Ti: 0,090-0,130%, in tehnično neizbežnih nečistot, h katerim sodijo 0,12 % Cu, do 0,100 % Ni, do 0,010 % V, do 0,004 % Mo in do 0,004 % Sb in kot ostanek iz železa b) ulivanje taline v bramo; c) ponovno segrevanje brame na temperaturo pogrevanja 1200-1300 °C; d) predvaljanje brame pri temperaturi predvaljanja, ki znaša 950-1250 °C in z vsaj 50-odstotnim zmanjšanjem skupnega izpusta, doseženega s predvajanjem; e) zaključno vroče valjanje predvajane brame, pri čemer se zaključno vroče valjanje zaključi pri končni temperaturi vročega valjanja 800-880 °C; f) v največ 10 s po zaključnem vročem valjanju izvedba intenzivnega hlajenja končanega vroče valjanega jeklenega ploščatega izdelka s hitrostjo ohlajanja vsaj 40 K/s na navijalno temperaturo, ki znaša 550-620 °C; g) navijanje končanega vroče zvaljanega jeklenega ploščatega izdelka, pri čemer znaša raztezek do pretrga vroče zvaljanih jeklenih ploščatih izdelkov, dobljenih po navijanju, vsaj 12 %.
  2. 2. Postopek po zahtevku 1, označen s tem, da velja za ogljikov ekvivalent CE, izračunan po formuli
    kjer %C = vsakokratna vsebnost C v mas. %, %Mn = vsakokratna vsebnost Mn v mas. %, %Cr = vsakokratna vsebnost Cr v mas. %, %Mo = vsakokratna vsebnost Mo v mas. %, %V = vsakokratna vsebnost V v mas. %, %Cu = vsakokratna vsebnost Cu v mas. %, %Ni = vsakokratna vsebnost Ni v mas. %, jeklene taline, staljene v delovnem koraku a), naslednje: CE š 0,5 mas. %.
  3. 3. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša temperatura pogrevanja 1250-1300 °C.
  4. 4. Postopek po enem od predhodnih zahtevkov, označen s tem, da se v delovnem koraku c‘), ki se izvede med pogrevanjem (delovni korak c)) in predvaljanjem (delovni korak d)), odstrani primarna škaja, sprijeta na vsakokratni obdelani brami.
  5. 5. Postopek po enem od predhodnih zahtevkov, označen s tem, da je transportni čas, ki preteče za transport brame od vsakokratne prejšnje delovne postaje (delovni korak c) ali izbirni delovni korak c‘)) do končnega vročega valjanja (delovni korak e)), omejen na največ 300 s.
  6. 6. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša čas zadrževanja, ki preteče med predvaljanjem (delovni korak d)) in končnim vročim valjanjem (delovni korak e)), največ 50 s.
  7. 7. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša temperatura ohlajanja pri ohlajanju v delovnem koraku f) največ 150 K/s.
  8. 8. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša debelina vroče valjanega jeklenega ploščatega izdelka, dobljenega po vročem valjanju, 3-15 mm.
  9. 9. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša meja plastičnosti vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, 700-850 Mpa.
  10. 10. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša natezna trdnost vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, 750-950 Mpa.
  11. 11. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša udarna žilavost vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, pri -20 °C 50-110 J.
  12. 12. Postopek po enem od predhodnih zahtevkov, označen s tem, da imajo vroče valjani jekleni ploščati izdelki, dobljeni po navijanju, izključno bainitno strukturo, razen drugih sestavin strukture, ki so tehnično neizbežne.
  13. 13. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša povprečni premer zrn strukture vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, največ 20 pm.
SI201430572T 2014-03-25 2014-03-25 Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti SI2924140T1 (sl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14161606.0A EP2924140B1 (de) 2014-03-25 2014-03-25 Verfahren zur Erzeugung eines hochfesten Stahlflachprodukts

Publications (1)

Publication Number Publication Date
SI2924140T1 true SI2924140T1 (sl) 2018-04-30

Family

ID=50382300

Family Applications (2)

Application Number Title Priority Date Filing Date
SI201431325T SI3305935T1 (sl) 2014-03-25 2014-03-25 Ploščat jekleni proizvod visoke trdnosti in uporaba takega ploščatega jeklenega proizvoda visoke trdnosti
SI201430572T SI2924140T1 (sl) 2014-03-25 2014-03-25 Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SI201431325T SI3305935T1 (sl) 2014-03-25 2014-03-25 Ploščat jekleni proizvod visoke trdnosti in uporaba takega ploščatega jeklenega proizvoda visoke trdnosti

Country Status (15)

Country Link
US (2) US10280477B2 (sl)
EP (2) EP2924140B1 (sl)
JP (1) JP6603669B2 (sl)
KR (1) KR20160137588A (sl)
CN (1) CN106133154A (sl)
BR (1) BR112016022053B1 (sl)
CA (1) CA2941202C (sl)
DK (2) DK3305935T3 (sl)
ES (2) ES2745046T3 (sl)
MX (1) MX2016012491A (sl)
PL (2) PL2924140T3 (sl)
RU (1) RU2675183C2 (sl)
SI (2) SI3305935T1 (sl)
UA (1) UA117959C2 (sl)
WO (1) WO2015144529A1 (sl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2905348B1 (de) * 2014-02-07 2019-09-04 ThyssenKrupp Steel Europe AG Hochfestes Stahlflachprodukt mit bainitisch-martensitischem Gefüge und Verfahren zur Herstellung eines solchen Stahlflachprodukts
DK3305935T3 (da) * 2014-03-25 2019-09-02 Thyssenkrupp Steel Europe Ag Fladt stålprodukt med høj styrke og anvendelse af et fladt stålprodukt med høj styrke
WO2018134186A1 (de) * 2017-01-20 2018-07-26 thyssenkrupp Hohenlimburg GmbH Warmgewalztes stahlflachprodukt bestehend aus einem komplexphasenstahl mit überwiegend bainitischem gefüge und verfahren zur herstellung eines solchen stahlflachprodukts
PT3360981T (pt) * 2017-02-10 2020-10-08 Outokumpu Oy Aço para fabrico de um componente por moldação a quente e utilização do componente
KR101949027B1 (ko) * 2017-07-07 2019-02-18 주식회사 포스코 초고강도 열연강판 및 그 제조 방법
WO2019060333A1 (en) * 2017-09-21 2019-03-28 The Nanosteel Company, Inc. ENHANCED WELDABILITY OF ADVANCED HIGH-STRENGTH STEEL
US10960487B2 (en) 2017-09-21 2021-03-30 United States Steel Corporation Weldability improvements in advanced high strength steel
CN110004854A (zh) * 2019-01-21 2019-07-12 北京中交畅观科技发展有限公司 一种三(a)级防护等级公路护栏及其制造方法
EP3719147A1 (de) 2019-04-01 2020-10-07 ThyssenKrupp Steel Europe AG Warmgewalztes stahlflachprodukt und verfahren zu seiner herstellung
CN110863146B (zh) * 2019-10-25 2021-01-08 鞍钢股份有限公司 一种高强度耐腐蚀球扁钢及其生产方法
CN110846555B (zh) * 2019-10-25 2021-01-08 鞍钢股份有限公司 一种大规格高强韧对称球扁钢及其生产方法
JP2023510137A (ja) * 2019-12-20 2023-03-13 タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップ 高い穴広げ率を有する熱間圧延高強度鋼ストリップ
CN111187977B (zh) * 2020-01-07 2021-04-20 北京科技大学 一种690MPa级抗震耐蚀耐火中厚板钢及其制造方法
CN111575589B (zh) * 2020-06-17 2021-04-27 武汉钢铁有限公司 环卫车用超高强度钢及其生产方法
KR102485117B1 (ko) * 2020-08-25 2023-01-04 주식회사 포스코 표면부 nrl-dwt 물성이 우수한 구조용 극후물 강재 및 그 제조 방법
KR102485116B1 (ko) * 2020-08-26 2023-01-04 주식회사 포스코 표면부 nrl-dwt 물성이 우수한 구조용 극후물 강재 및 그 제조 방법
CN113201694B (zh) * 2021-04-09 2022-06-10 唐山钢铁集团有限责任公司 一种高耐蚀性冷轧低碳钢生产方法
CN114231838A (zh) * 2021-11-17 2022-03-25 邯郸钢铁集团有限责任公司 低残余应力冷成型高强钢s700mc及其生产方法
CN114635079A (zh) * 2022-01-29 2022-06-17 安阳钢铁股份有限公司 一种650MPa轻量化高强度轮辋用钢材及其生产方法
CN115216702A (zh) * 2022-04-25 2022-10-21 安阳钢铁股份有限公司 一种冷冲压用高强油箱托架用钢及其制造方法
CN115287531B (zh) * 2022-07-12 2023-06-23 湖南华菱涟源钢铁有限公司 770MPa直缝焊接钢管用钢及其制造方法
CN115537675B (zh) * 2022-09-15 2023-09-26 武汉钢铁有限公司 一种800MPa级免表面处理商用车用钢及其生产方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07316736A (ja) * 1994-05-26 1995-12-05 Nippon Steel Corp アップセットバット溶接性および成形性に優れた高強度熱延鋼板とその製造方法
US6159312A (en) * 1997-12-19 2000-12-12 Exxonmobil Upstream Research Company Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
US6364968B1 (en) * 2000-06-02 2002-04-02 Kawasaki Steel Corporation High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same
EP2309012B1 (en) * 2003-09-30 2012-09-12 Nippon Steel Corporation High yield ratio and high-strength cold rolled thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized cold rolled thin steel sheet, high-yield ratio high-strength hot-dip galvannealed cold rolled thin steel sheet, and methods of production of same
JP4555694B2 (ja) * 2005-01-18 2010-10-06 新日本製鐵株式会社 加工性に優れる焼付け硬化型熱延鋼板およびその製造方法
US8038809B2 (en) * 2005-03-28 2011-10-18 Kobe Steel, Ltd. High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
JP4528275B2 (ja) * 2006-03-20 2010-08-18 新日本製鐵株式会社 伸びフランジ性に優れた高強度熱延鋼板
US8157933B2 (en) 2007-03-27 2012-04-17 Nippon Steel Corporation High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same
FI20095528A (fi) * 2009-05-11 2010-11-12 Rautaruukki Oyj Menetelmä kuumavalssatun nauhaterästuotteen valmistamiseksi sekä kuumavalssattu nauhaterästuote
BRPI1010678A2 (pt) * 2009-05-27 2016-03-15 Nippon Steel Corp chapade aço de alta resistência, chapa de aço banhada a quente e chapa de aço banhada a quente de liga que têm excelentes características de fadiga, alongamento e colisão, e método de fabricação para as ditas chapas de aço
JP5029749B2 (ja) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 曲げ加工性に優れた高強度熱延鋼板およびその製造方法
PL2743364T3 (pl) * 2011-08-09 2017-01-31 Nippon Steel & Sumitomo Metal Corporation Blacha stalowa cienka walcowana na gorąco o wysokim stosunku granicy plastyczności do wytrzymałości na rozciąganie i doskonałym pochłanianiu energii uderzenia w niskiej temperaturze oraz odporności na mięknięcie w obszarze HAZ i sposób jej wytwarzania
RU2500820C1 (ru) * 2012-08-29 2013-12-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства проката из низколегированной стали для изготовления элементов конструкций нефтегазопроводов
CN103526111B (zh) 2013-10-17 2015-04-08 马鞍山市安工大工业技术研究院有限公司 屈服强度900MPa级热轧板带钢及其制备方法
DK3305935T3 (da) * 2014-03-25 2019-09-02 Thyssenkrupp Steel Europe Ag Fladt stålprodukt med høj styrke og anvendelse af et fladt stålprodukt med høj styrke
JP6135577B2 (ja) * 2014-03-28 2017-05-31 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法

Also Published As

Publication number Publication date
DK3305935T3 (da) 2019-09-02
EP3305935B9 (de) 2019-12-04
CA2941202C (en) 2018-09-18
US10934602B2 (en) 2021-03-02
JP6603669B2 (ja) 2019-11-06
EP2924140B1 (de) 2017-11-15
RU2675183C2 (ru) 2018-12-17
CN106133154A (zh) 2016-11-16
UA117959C2 (uk) 2018-10-25
ES2659544T3 (es) 2018-03-16
EP3305935B1 (de) 2019-05-29
US20190203318A1 (en) 2019-07-04
WO2015144529A1 (de) 2015-10-01
RU2016141474A (ru) 2018-04-27
EP2924140A1 (de) 2015-09-30
ES2745046T3 (es) 2020-02-27
JP2017512905A (ja) 2017-05-25
US10280477B2 (en) 2019-05-07
US20170137911A1 (en) 2017-05-18
DK2924140T3 (en) 2018-02-19
PL3305935T3 (pl) 2019-11-29
RU2016141474A3 (sl) 2018-11-06
PL2924140T3 (pl) 2018-04-30
CA2941202A1 (en) 2015-10-01
EP3305935A1 (de) 2018-04-11
SI3305935T1 (sl) 2019-11-29
BR112016022053B1 (pt) 2021-04-27
KR20160137588A (ko) 2016-11-30
MX2016012491A (es) 2017-01-06

Similar Documents

Publication Publication Date Title
SI2924140T1 (sl) Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti
JP7068434B2 (ja) 高強度鋼板を製造する方法
TWI525201B (zh) Hot rolled steel sheet
US10443110B2 (en) High toughness and high tensile strength thick steel plate and production method therefor
JP6620465B2 (ja) ホットスタンプ用鋼板
CN102676929B (zh) 一种免球化退火优质高强冷镦钢的制造方法
RU2017121061A (ru) Высокопрочная горячекатаная сталь с высокой ударной прочностью и временным сопротивлением 800 мпа и способ ее производства
KR101965520B1 (ko) 냉간 단조 부품용 압연 봉강 또는 압연 선재
JP2012072499A5 (sl)
CA2602526A1 (en) A method of manufacturing a heavy wall seamless steel pipe for line pipe
CA2718098A1 (en) Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same
MX2016012490A (es) Producto plano de acero laminado en frio y procedimiento para su fabricacion.
WO2011115279A1 (ja) 冷間加工性と焼入れ性に優れた熱延鋼板およびその製造方法
KR101965521B1 (ko) 냉간 단조 부품용 압연 봉강 또는 압연 선재
JP2012180590A5 (sl)
WO2012002638A3 (ko) 초고강도 철근 및 그 제조방법
US10774405B2 (en) Steel and method of manufacturing the same
RU2450061C1 (ru) Способ производства горячекатаного рулонного проката низколегированной стали
RU2547087C1 (ru) Способ производства горячекатаного проката повышенной прочности
CN102876871A (zh) 一种汽车排气管用不锈钢带的制备方法
RU2479639C1 (ru) Способ производства листов из низколегированной трубной стали класса прочности к60
RU2679675C1 (ru) Способ производства конструкционного проката из низколегированной стали
KR20210019519A (ko) 페라이트계 스테인리스 강판 및 그 제조 방법
WO2014058938A1 (en) Cold rolled recovery annealed mild steel and process for manufacture thereof
JP6354390B2 (ja) 圧延方向の剛性に優れた高強度熱延鋼板及びその製造方法