PL1918403T3 - Process for manufacturing steel flat products from a steel forming martensitic structure - Google Patents
Process for manufacturing steel flat products from a steel forming martensitic structureInfo
- Publication number
- PL1918403T3 PL1918403T3 PL06123137T PL06123137T PL1918403T3 PL 1918403 T3 PL1918403 T3 PL 1918403T3 PL 06123137 T PL06123137 T PL 06123137T PL 06123137 T PL06123137 T PL 06123137T PL 1918403 T3 PL1918403 T3 PL 1918403T3
- Authority
- PL
- Poland
- Prior art keywords
- hot
- rolled strip
- strip
- rolled
- thickness
- Prior art date
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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/041—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular fabrication or treatment of ingot or slab
- C21D8/0415—Rapid solidification; Thin strip casting
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—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
- C22C38/12—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
- Continuous Casting (AREA)
Abstract
The method for the production of flat steel products useful in automotive industry, comprises casting a steel into a cast strip having a thickness of 1-4 mm, hot-rolling the cast strip in-line into a hot-rolled strip having a thickness of higher than 1.5 mm in a continuous process at 900-1050[deg] C, and coiling the hot-rolled strip at 550-620[deg] C to obtain a hot-rolled strip, which has a minimum tensile strength R m of 1400 MPa and a minimum breaking elongation A 8 0 of 5%. The hot-rolled strip is cold-rolled with a thickness of 0.5-1.4 mm at 750-850[deg] C to obtain a cold-rolled strip. The method for the production of flat steel products useful in automotive industry, comprises casting a steel into a cast strip having a thickness of 1-4 mm, hot-rolling the cast strip in-line into a hot-rolled strip having a thickness of higher than 1.5 mm in a continuous process at 900-1050[deg] C, and coiling the hot-rolled strip at 550-620[deg] C to obtain a hot-rolled strip, which has a minimum tensile strength R m of 1400 MPa and a minimum breaking elongation A 8 0 of 5%. The steel forms a complex phase structure. The shaping degree is greater than 20%. The width of the hot-rolled strip is more than 1.600 mm. The hot-rolled strip is cold-rolled with a thickness of 0.5-1.4 mm at 750-850[deg] C to obtain a cold-rolled strip, which has a minimum tensile strength of 600 MPa and a minimum breaking elongation A 8 0 of 15%. The cold- or hot-rolled strip is provided with a metallic coating, which is galvanizing.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06123137A EP1918403B1 (en) | 2006-10-30 | 2006-10-30 | Process for manufacturing steel flat products from a steel forming martensitic structure |
Publications (1)
Publication Number | Publication Date |
---|---|
PL1918403T3 true PL1918403T3 (en) | 2009-10-30 |
Family
ID=37733845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL06123137T PL1918403T3 (en) | 2006-10-30 | 2006-10-30 | Process for manufacturing steel flat products from a steel forming martensitic structure |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100096047A1 (en) |
EP (1) | EP1918403B1 (en) |
JP (1) | JP5350252B2 (en) |
KR (1) | KR101458577B1 (en) |
CN (1) | CN101528967B (en) |
AT (1) | ATE432373T1 (en) |
DE (1) | DE502006003831D1 (en) |
ES (1) | ES2325961T3 (en) |
PL (1) | PL1918403T3 (en) |
WO (1) | WO2008052918A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10071416B2 (en) * | 2005-10-20 | 2018-09-11 | Nucor Corporation | High strength thin cast strip product and method for making the same |
CA2736161A1 (en) * | 2008-09-08 | 2010-03-11 | Bhp Billiton Aluminium Technologies Limited | Thermomagnetic device |
WO2011100798A1 (en) | 2010-02-20 | 2011-08-25 | Bluescope Steel Limited | Nitriding of niobium steel and product made thereby |
WO2011135700A1 (en) * | 2010-04-28 | 2011-11-03 | 住友金属工業株式会社 | Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same |
CN101845593A (en) * | 2010-05-19 | 2010-09-29 | 首钢总公司 | Steel for 20 control Cr nuclear power and production method thereof |
EP2690183B1 (en) * | 2012-07-27 | 2017-06-28 | ThyssenKrupp Steel Europe AG | Hot-rolled steel flat product and method for its production |
US9994942B2 (en) | 2012-08-21 | 2018-06-12 | Nippon Steel & Sumitomo Metal Corporation | Steel material |
AT512399B1 (en) | 2012-09-10 | 2013-08-15 | Siemens Vai Metals Tech Gmbh | Method for producing a microalloyed tubular steel in a cast-rolled composite plant and microalloyed tubular steel |
RU2499060C1 (en) * | 2012-09-20 | 2013-11-20 | Открытое акционерное общество "Северсталь" (ОАО "Северсталь") | Production method of cold-rolled steel for deep drawing |
KR101543867B1 (en) * | 2013-11-14 | 2015-08-11 | 주식회사 포스코 | Method for manufacturing martensitic stainless steel sheet using twin roll casting roll |
KR20150055788A (en) | 2013-11-14 | 2015-05-22 | 주식회사 포스코 | Twin roll casting roll of strip casting and method for manufacturing thereof |
MX2017008027A (en) | 2014-12-19 | 2017-10-20 | Nucor Corp | Hot rolled light-gauge martensitic steel sheet and method for making the same. |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61189845A (en) * | 1985-02-18 | 1986-08-23 | Nippon Kokan Kk <Nkk> | Manufacture of sheet-shaped slab |
US5470529A (en) * | 1994-03-08 | 1995-11-28 | Sumitomo Metal Industries, Ltd. | High tensile strength steel sheet having improved formability |
JP2792834B2 (en) * | 1995-04-18 | 1998-09-03 | 新日本製鐵株式会社 | Method for producing carbon steel thin steel strip having strength of 500 MPa or less from thin cast strip |
WO1998002589A1 (en) * | 1996-07-12 | 1998-01-22 | Thyssen Stahl Ag | Hot-rolled steel strip and method of making it |
JP2000176508A (en) * | 1998-12-16 | 2000-06-27 | Ishikawajima Harima Heavy Ind Co Ltd | Equipment for continuously manufacturing high-strength steel sheet |
FR2796966B1 (en) * | 1999-07-30 | 2001-09-21 | Ugine Sa | PROCESS FOR THE MANUFACTURE OF THIN STRIP OF TRIP-TYPE STEEL AND THIN STRIP THUS OBTAINED |
FR2798871B1 (en) * | 1999-09-24 | 2001-11-02 | Usinor | PROCESS FOR PRODUCING CARBON STEEL STRIPS, ESPECIALLY STEEL FOR PACKAGING, AND STRIPS THUS PRODUCED |
AUPQ779900A0 (en) * | 2000-05-26 | 2000-06-22 | Bhp Steel (Jla) Pty Limited | Hot rolling thin strip |
BR0114336B1 (en) * | 2000-09-29 | 2010-07-27 | process to produce cast steel strip prepared by this process. | |
JP3873886B2 (en) * | 2000-10-19 | 2007-01-31 | Jfeスチール株式会社 | Galvanized steel sheet for press forming, method for manufacturing the same, and method for manufacturing press-formed products |
DE10128544C2 (en) * | 2001-06-13 | 2003-06-05 | Thyssenkrupp Stahl Ag | High-strength, cold-workable sheet steel, process for its production and use of such a sheet |
ATE316157T1 (en) * | 2002-09-11 | 2006-02-15 | Thyssenkrupp Steel Ag | FERRITIC/MARTENSITIC STEEL WITH HIGH STRENGTH AND VERY FINE STRUCTURE |
EP1431406A1 (en) * | 2002-12-20 | 2004-06-23 | Sidmar N.V. | A steel composition for the production of cold rolled multiphase steel products |
JP4317384B2 (en) * | 2003-04-28 | 2009-08-19 | 新日本製鐵株式会社 | High-strength galvanized steel sheet with excellent hydrogen embrittlement resistance, weldability and hole expansibility, and its manufacturing method |
JP4510488B2 (en) * | 2004-03-11 | 2010-07-21 | 新日本製鐵株式会社 | Hot-dip galvanized composite high-strength steel sheet excellent in formability and hole expansibility and method for producing the same |
TW200604352A (en) * | 2004-03-31 | 2006-02-01 | Jfe Steel Corp | High-rigidity high-strength thin steel sheet and method for producing same |
-
2006
- 2006-10-30 ES ES06123137T patent/ES2325961T3/en active Active
- 2006-10-30 PL PL06123137T patent/PL1918403T3/en unknown
- 2006-10-30 DE DE502006003831T patent/DE502006003831D1/en active Active
- 2006-10-30 EP EP06123137A patent/EP1918403B1/en not_active Not-in-force
- 2006-10-30 AT AT06123137T patent/ATE432373T1/en active
-
2007
- 2007-10-24 US US12/447,623 patent/US20100096047A1/en not_active Abandoned
- 2007-10-24 KR KR1020097007484A patent/KR101458577B1/en active IP Right Grant
- 2007-10-24 JP JP2009533821A patent/JP5350252B2/en not_active Expired - Fee Related
- 2007-10-24 WO PCT/EP2007/061389 patent/WO2008052918A1/en active Application Filing
- 2007-10-24 CN CN2007800394302A patent/CN101528967B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101528967B (en) | 2011-06-15 |
WO2008052918A1 (en) | 2008-05-08 |
ES2325961T3 (en) | 2009-09-25 |
EP1918403B1 (en) | 2009-05-27 |
JP2010508434A (en) | 2010-03-18 |
JP5350252B2 (en) | 2013-11-27 |
KR20090090301A (en) | 2009-08-25 |
US20100096047A1 (en) | 2010-04-22 |
KR101458577B1 (en) | 2014-11-07 |
DE502006003831D1 (en) | 2009-07-09 |
CN101528967A (en) | 2009-09-09 |
EP1918403A1 (en) | 2008-05-07 |
ATE432373T1 (en) | 2009-06-15 |
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