EP1453984A1 - Verfahren zum herstellen von warmband oder -blech aus einem mikrolegierten stahl - Google Patents
Verfahren zum herstellen von warmband oder -blech aus einem mikrolegierten stahlInfo
- Publication number
- EP1453984A1 EP1453984A1 EP01270630A EP01270630A EP1453984A1 EP 1453984 A1 EP1453984 A1 EP 1453984A1 EP 01270630 A EP01270630 A EP 01270630A EP 01270630 A EP01270630 A EP 01270630A EP 1453984 A1 EP1453984 A1 EP 1453984A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hot strip
- temperature
- hot
- weight
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910000742 Microalloyed steel Inorganic materials 0.000 title claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 229910052758 niobium Inorganic materials 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 4
- 239000010955 niobium Substances 0.000 description 10
- 238000005098 hot rolling Methods 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000000161 steel melt Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 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
-
- 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
- C22C38/04—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Definitions
- the high strength of steel produced according to the invention is achieved by the combined use of precipitation, fine grain and mixed crystal strengthening.
- the selected contents of the alloying elements C and Mn lead to the desired solid solution strengthening.
- the primary material By bringing the primary material to a temperature of 1300 ° C to 1350 ° C before the preliminary rolling, the precipitates of the alloy elements Ti, V and Nb which may be present are completely dissolved.
- the degrees of deformation set during the subsequent pre-deformation lead to a fine, evenly distributed and recrystallized austenite grain.
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)
- Coating With Molten Metal (AREA)
- Laminated Bodies (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10062919A DE10062919A1 (de) | 2000-12-16 | 2000-12-16 | Verfahren zum Herstellen von Warmband oder -blech aus einem mikrolegierten Stahl |
| DE10062919 | 2000-12-16 | ||
| PCT/EP2001/014829 WO2002048410A1 (de) | 2000-12-16 | 2001-12-15 | Verfahren zum herstellen von warmband oder -blech aus einem mikrolegierten stahl |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1453984A1 true EP1453984A1 (de) | 2004-09-08 |
| EP1453984B1 EP1453984B1 (de) | 2005-04-13 |
| EP1453984B8 EP1453984B8 (de) | 2005-07-27 |
Family
ID=7667534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01270630A Expired - Lifetime EP1453984B8 (de) | 2000-12-16 | 2001-12-15 | Verfahren zum herstellen von warmband oder -blech aus einem mikrolegierten stahl |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20040040633A1 (de) |
| EP (1) | EP1453984B8 (de) |
| AT (1) | ATE293175T1 (de) |
| DE (2) | DE10062919A1 (de) |
| ES (1) | ES2240337T3 (de) |
| WO (1) | WO2002048410A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1396550A1 (de) * | 2002-08-28 | 2004-03-10 | ThyssenKrupp Stahl AG | Verfahren zum Herstellen eines Warmbandes |
| PL1918402T3 (pl) * | 2006-10-30 | 2009-10-30 | Thyssenkrupp Steel Ag | Sposób wytwarzania płaskich produktów stalowych ze stali tworzącej strukturę o fazach złożonych |
| DE502006003835D1 (de) * | 2006-10-30 | 2009-07-09 | Thyssenkrupp Steel Ag | Verfahren zum Herstellen von Stahl-Flachprodukten aus einem mit Bor mikrolegierten Mehrphasenstahl |
| FI20095528A7 (fi) * | 2009-05-11 | 2010-11-12 | Rautaruukki Oyj | Menetelmä kuumavalssatun nauhaterästuotteen valmistamiseksi sekä kuumavalssattu nauhaterästuote |
| FI122143B (fi) * | 2009-10-23 | 2011-09-15 | Rautaruukki Oyj | Menetelmä korkealujuuksisen sinkityn muotovalmisteen valmistamiseksi sekä muotovalmiste |
| JP5365673B2 (ja) | 2011-09-29 | 2013-12-11 | Jfeスチール株式会社 | 材質均一性に優れた熱延鋼板およびその製造方法 |
| KR101638715B1 (ko) | 2012-01-31 | 2016-07-11 | 제이에프이 스틸 가부시키가이샤 | 발전기 림용 열연 강판 및 그 제조 방법 |
| GB2548049B (en) | 2014-12-19 | 2021-12-29 | Nucor Corp | Hot rolled light-gauge martensitic steel sheet and method for making the same |
| CN111519105B (zh) * | 2020-05-12 | 2021-06-15 | 首钢集团有限公司 | 一种汽车构件钢及其制备方法、汽车构件 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2133744B2 (de) * | 1971-07-07 | 1973-07-12 | August Thyssen-Hütte AG, 4100 Duisburg | Die verwendung eines vollberuhigten stahles fuer gegenstaende aus warmgewalztem band |
| CA1003311A (en) * | 1972-12-31 | 1977-01-11 | Hiroshi Takechi | High tensile strength structural steel and the manufacture thereof |
| JPS58136719A (ja) * | 1982-02-05 | 1983-08-13 | Nippon Kokan Kk <Nkk> | 高強度熱延鋼板の製造方法 |
| JPS61281814A (ja) * | 1985-06-06 | 1986-12-12 | Kobe Steel Ltd | バウシンガ−効果感受性の低い高強度熱延鋼板の製造方法 |
| JPS63223130A (ja) * | 1987-03-13 | 1988-09-16 | Kawasaki Steel Corp | 加工性に優れた高張力熱延鋼板の製造方法 |
| JPH059572A (ja) * | 1991-07-08 | 1993-01-19 | Sumitomo Metal Ind Ltd | 加工性に優れた熱延鋼板の製造法 |
| FR2688009B1 (fr) * | 1992-02-28 | 1994-05-27 | Lorraine Laminage | Procede d'elaboration d'une tole d'acier et tole d'acier obtenue par ce procede. |
| JP3767132B2 (ja) * | 1997-11-11 | 2006-04-19 | Jfeスチール株式会社 | 高延性を有し、かつ材質均一性に優れた高強度熱延鋼板の製造方法 |
-
2000
- 2000-12-16 DE DE10062919A patent/DE10062919A1/de not_active Withdrawn
-
2001
- 2001-12-15 AT AT01270630T patent/ATE293175T1/de active
- 2001-12-15 US US10/398,795 patent/US20040040633A1/en not_active Abandoned
- 2001-12-15 EP EP01270630A patent/EP1453984B8/de not_active Expired - Lifetime
- 2001-12-15 ES ES01270630T patent/ES2240337T3/es not_active Expired - Lifetime
- 2001-12-15 WO PCT/EP2001/014829 patent/WO2002048410A1/de not_active Ceased
- 2001-12-15 DE DE50105924T patent/DE50105924D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0248410A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50105924D1 (de) | 2005-05-19 |
| WO2002048410A1 (de) | 2002-06-20 |
| EP1453984B1 (de) | 2005-04-13 |
| US20040040633A1 (en) | 2004-03-04 |
| ES2240337T3 (es) | 2005-10-16 |
| DE10062919A1 (de) | 2002-06-27 |
| EP1453984B8 (de) | 2005-07-27 |
| ATE293175T1 (de) | 2005-04-15 |
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