EP0947590B1 - Verfahren zur Herstellung von mikrolegierten Baustählen - Google Patents
Verfahren zur Herstellung von mikrolegierten Baustählen Download PDFInfo
- Publication number
- EP0947590B1 EP0947590B1 EP99104265A EP99104265A EP0947590B1 EP 0947590 B1 EP0947590 B1 EP 0947590B1 EP 99104265 A EP99104265 A EP 99104265A EP 99104265 A EP99104265 A EP 99104265A EP 0947590 B1 EP0947590 B1 EP 0947590B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- range
- rolling
- temperature
- csp
- copper
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 title 1
- 238000005096 rolling process Methods 0.000 claims abstract description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000011651 chromium Substances 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 229910001566 austenite Inorganic materials 0.000 claims description 13
- 230000000930 thermomechanical effect Effects 0.000 claims description 13
- 238000001953 recrystallisation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000004881 precipitation hardening Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001563 bainite Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims 5
- 230000008023 solidification Effects 0.000 claims 5
- 230000006978 adaptation Effects 0.000 claims 1
- 239000006104 solid solution Substances 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 8
- 238000005098 hot rolling Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 6
- 238000005275 alloying Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009847 ladle furnace Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 206010003402 Arthropod sting Diseases 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
- C21D8/0215—Rapid solidification; Thin strip casting
-
- 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
- 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
-
- 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
- B21B1/466—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 non-continuous process, i.e. the cast being cut before rolling
Definitions
- the invention relates to a process for the production of microalloyed structural steels by rolling in a CSP plant, wherein the cast slab strand, divided into rolling lengths, fed through a compensation furnace a multi-stand CSP rolling mill and there continuously rolled to hot strip, cooled in a cooling section and to bonds
- controlled microstructural development by thermomechanical rolling is carried out as the thin slab passes through the thin slab.
- the rolling of hot strip in a CSP plant in which continuously cast starting material is fed directly into the rolling mill by division into rolling lengths via a compensation furnace, is from the EP-A-0 368 048 in which a multi-stand rolling mill is used as the rolling mill, in which the rolling lengths brought to a temperature of 1100 ° C. to 1300 ° C. in the equalizing furnace are finished in successive steps with descaling in between.
- de EP-A-0 413 163 proposed to treat the rolling thermomechanically.
- thermo-mechanical forming unlike the normalizing forming, in which the final deformation takes place in the region of the normalizing temperature with complete austenite recrystallization, temperature ranges are maintained for a targeted forming rate at which the austenite does not or not substantially recrystallized.
- thermomechanical treatment is the use of plastic deformation not only for the production of a defined product geometry, but in particular for setting a desired real structure and thus to ensure defined material properties, wherein non-recrystallized austenite for polymorphic (gamma) - (alpha) conversion comes (at the austenite is already recrystallized during normalizing transformation).
- the object of the invention is to further increase the strength development achieved in the process steps of German Patent Application 197 25 434.9-24 by suitable measures, so as to ensure that the microalloyed high-strength ferritic-perlitic structural steels produced in the CSP process have yield strengths ⁇ 480 Correspond to MPa and through these measures CSP plant, CSP process and processed material are further optimally coordinated.
- the solid solution hardening is effected in high-strength ferritic-perlitic microalloyed structural steels, preferably by manganese. It has been shown, however, that in order to ensure maximum yield strengths in the range of ⁇ 480 MPa in CSP plants, additional and targeted alloying with other elements is sensible and necessary for the highest strength classes.
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)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19814223 | 1998-03-31 | ||
DE19814223A DE19814223A1 (de) | 1998-03-31 | 1998-03-31 | Verfahren zur Herstellung von mikrolegierten Baustählen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0947590A1 EP0947590A1 (de) | 1999-10-06 |
EP0947590B1 true EP0947590B1 (de) | 2008-10-29 |
Family
ID=7862994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99104265A Expired - Lifetime EP0947590B1 (de) | 1998-03-31 | 1999-03-03 | Verfahren zur Herstellung von mikrolegierten Baustählen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6231696B1 (es) |
EP (1) | EP0947590B1 (es) |
AT (1) | ATE412781T1 (es) |
BR (1) | BR9901027A (es) |
CA (1) | CA2267564C (es) |
DE (2) | DE19814223A1 (es) |
ES (1) | ES2313760T3 (es) |
MX (1) | MXPA99002898A (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016165933A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | GIEß-WALZ-ANLAGE UND VERFAHREN ZU DEREN BETRIEB |
CN106381451A (zh) * | 2016-09-29 | 2017-02-08 | 马钢(集团)控股有限公司 | 一种CSP流程生产1000MPa级热轧马氏体钢及其生产方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6669789B1 (en) | 2001-08-31 | 2003-12-30 | Nucor Corporation | Method for producing titanium-bearing microalloyed high-strength low-alloy steel |
US20050115649A1 (en) * | 2003-03-27 | 2005-06-02 | Tokarz Christopher A. | Thermomechanical processing routes in compact strip production of high-strength low-alloy steel |
CN100336617C (zh) * | 2004-10-25 | 2007-09-12 | 广州珠江钢铁有限责任公司 | 一种应用薄板坯连铸连轧工艺生产焊接气瓶用热轧钢板的方法 |
DE102005010243A1 (de) * | 2005-03-05 | 2006-09-07 | Sms Demag Ag | Verfahren und Anlage zur Herstellung eines Leichtbaustahls mit einem hohen Mangan-Gehalt |
CN101147919B (zh) * | 2007-09-30 | 2010-10-13 | 马鞍山钢铁股份有限公司 | 减少以csp热轧卷为原料的冷轧镀锌板表面缺陷的方法 |
DE102007060472A1 (de) * | 2007-12-14 | 2009-06-18 | Mahle International Gmbh | Zweiteiliger Kolben für einen Verbrennungsmotor |
CN110317995B (zh) * | 2019-06-03 | 2020-08-25 | 武汉钢铁有限公司 | 一种用csp生产表面质量良好的薄规格中碳热轧钢板的方法 |
CN111944974B (zh) * | 2020-07-23 | 2022-05-03 | 武汉钢铁有限公司 | 基于csp工艺生产表面质量良好的薄规格带钢的方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099016B (en) * | 1981-02-26 | 1985-04-17 | Nippon Kokan Kk | Steel for welding with high heat input |
US4578124A (en) * | 1984-01-20 | 1986-03-25 | Kabushiki Kaisha Kobe Seiko Sho | High strength low carbon steels, steel articles thereof and method for manufacturing the steels |
US4619714A (en) * | 1984-08-06 | 1986-10-28 | The Regents Of The University Of California | Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes |
JPS62192539A (ja) * | 1986-02-18 | 1987-08-24 | Nippon Steel Corp | 高f値熱延鋼板の製造方法 |
DE3637893C2 (de) * | 1986-11-06 | 1996-02-08 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband und Bandgießanlage |
DE3837642A1 (de) * | 1988-11-05 | 1990-05-17 | Schloemann Siemag Ag | Verfahren und vorrichtung zur herstellung von warmgewalzten stahlbaendern |
DE3926459A1 (de) * | 1989-08-10 | 1991-02-14 | Schloemann Siemag Ag | Verfahren und anlage zur herstellung von thermomechanisch behandeltem walzgut aus stahl |
DE4009860C2 (de) * | 1990-03-28 | 1999-11-18 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere für Edelstähle, aus bandförmig stranggegossenem Vormaterial |
US5393358A (en) * | 1990-12-03 | 1995-02-28 | Nkk Corporation | Method for producing abrasion-resistant steel having excellent surface property |
EP0535238A4 (en) * | 1991-03-13 | 1993-08-04 | Kawasaki Steel Corporation | High-strength steel sheet for forming and production thereof |
DE4234454A1 (de) * | 1992-10-13 | 1994-04-14 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von warmgewalzten Bändern oder Profilen aus stranggegossenem Vormaterial |
DE4236307A1 (de) * | 1992-10-28 | 1994-05-05 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere aus bandförmig stranggegossenem Vormaterial |
DE4402402B4 (de) * | 1994-01-27 | 2004-05-13 | Sms Demag Ag | Verfahren zur Herstellung von warmgewalztem Stahlband aus stranggegossenem Vormaterial und Anlage zur Durchführung des Verfahrens |
US5622572A (en) * | 1995-08-28 | 1997-04-22 | Newport News Shipbuilding And Dry Dock Company | Extra-strength steel and method of making |
DE19725434C2 (de) | 1997-06-16 | 1999-08-19 | Schloemann Siemag Ag | Verfahren zum Walzen von Warmbreitband in einer CSP-Anlage |
-
1998
- 1998-03-31 DE DE19814223A patent/DE19814223A1/de not_active Withdrawn
-
1999
- 1999-03-03 ES ES99104265T patent/ES2313760T3/es not_active Expired - Lifetime
- 1999-03-03 DE DE59914885T patent/DE59914885D1/de not_active Expired - Lifetime
- 1999-03-03 EP EP99104265A patent/EP0947590B1/de not_active Expired - Lifetime
- 1999-03-03 AT AT99104265T patent/ATE412781T1/de active
- 1999-03-25 BR BR9901027-5A patent/BR9901027A/pt not_active IP Right Cessation
- 1999-03-25 US US09/276,206 patent/US6231696B1/en not_active Expired - Lifetime
- 1999-03-26 MX MXPA99002898A patent/MXPA99002898A/es active IP Right Grant
- 1999-03-30 CA CA002267564A patent/CA2267564C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
Stahl und Eisen, 101 (1981), Seiten 593- 595 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016165933A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | GIEß-WALZ-ANLAGE UND VERFAHREN ZU DEREN BETRIEB |
DE102015210863A1 (de) | 2015-04-15 | 2016-10-20 | Sms Group Gmbh | Gieß-Walz-Anlage und Verfahren zu deren Betrieb |
CN106381451A (zh) * | 2016-09-29 | 2017-02-08 | 马钢(集团)控股有限公司 | 一种CSP流程生产1000MPa级热轧马氏体钢及其生产方法 |
Also Published As
Publication number | Publication date |
---|---|
BR9901027A (pt) | 2000-01-25 |
EP0947590A1 (de) | 1999-10-06 |
MXPA99002898A (es) | 2005-05-26 |
ES2313760T3 (es) | 2009-03-01 |
US6231696B1 (en) | 2001-05-15 |
CA2267564A1 (en) | 1999-09-30 |
DE59914885D1 (de) | 2008-12-11 |
DE19814223A1 (de) | 1999-10-07 |
CA2267564C (en) | 2009-07-07 |
ATE412781T1 (de) | 2008-11-15 |
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