JP5350254B2 - アルミニウム合金化多相鋼からフラット鋼生成物を製造する方法 - Google Patents
アルミニウム合金化多相鋼からフラット鋼生成物を製造する方法 Download PDFInfo
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- JP5350254B2 JP5350254B2 JP2009533823A JP2009533823A JP5350254B2 JP 5350254 B2 JP5350254 B2 JP 5350254B2 JP 2009533823 A JP2009533823 A JP 2009533823A JP 2009533823 A JP2009533823 A JP 2009533823A JP 5350254 B2 JP5350254 B2 JP 5350254B2
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- JP
- Japan
- Prior art keywords
- hot
- rolled strip
- strip
- rolled
- cold
- 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
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- 229910000831 Steel Inorganic materials 0.000 title claims description 41
- 239000010959 steel Substances 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 28
- 230000008569 process Effects 0.000 title description 6
- 229910052782 aluminium Inorganic materials 0.000 title description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title description 3
- 238000005098 hot rolling Methods 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005097 cold rolling Methods 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 229910001563 bainite Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C21D8/04—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
- C22C38/06—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
- 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
-
- 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)
- Heat Treatment Of Sheet Steel (AREA)
- Metal Rolling (AREA)
- Coating With Molten Metal (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Steel (AREA)
Description
以下の組成(重量%で表示)
C: 0.10 〜 0.14%
Mn: 1.30 〜 1.70%
P: ≦ 0.030%
S: ≦ 0.004%
Si: 0.10 〜 0.30%
Al: 0.90 〜 1.2%
N: ≦ 0.0070%
Ti: 0.070 〜 0.130%
Nb: 0.040 〜 0.060%
Mo: 0.140 〜 0.260%
残余鉄及び不可避の不純物
を有し、そして、多相ミクロ組織を形成する鋼を、厚さ1〜4mmを有する鋳造ストリップへ鋳造して;
850〜1000℃の範囲にある最終熱間圧延温度、20%を超える変形度で、前記鋳造ストリップを連続処理中にインラインで、0.5〜3.2mmの範囲にある厚さを有する熱間圧延ストリップへ熱間圧延して;
前記熱間圧延ストリップを、350〜480℃の範囲にある巻き取り温度で巻き取り;そして、
5%の最小破断伸びA80での、800MPaの最小引張強さRmを有する熱間圧延ストリップを得る;
フラット鋼生成物の製造方法によって達成される。
Claims (11)
- フラット鋼生成物の製造方法であって、
以下の組成(質量%で表示)
C: 0.10 〜 0.14 %
Mn: 1.30 〜 1.70 %
P: ≦ 0.030 %
S: ≦ 0.004 %
Si: 0.10 〜 0.30 %
Al: 0.90 〜 1.2 %
N: ≦ 0.0070 %
Ti: 0.070 〜 0.130 %
Nb: 0.040 〜 0.060 %
Mo: 0.140 〜 0.260 %
残余鉄及び不可避の不純物
を有し、そして、多相ミクロ組織を形成する鋼を、厚さ1〜4mmを有する鋳造ストリップへ鋳造して;
850〜1000℃の範囲にある最終熱間圧延温度、20%を超える変形度で、前記鋳造ストリップを連続処理中にインラインで、0.5〜3.2mmの範囲にある厚さを有する熱間圧延ストリップへ熱間圧延して;
前記熱間圧延ストリップを、350〜480℃の範囲にある巻き取り温度で巻き取り;そして、
5%以上の破断伸びA80 及び800MPa以上の引張強さRmを有する熱間圧延ストリップを得る;
前記製造方法。 - 熱間圧延ストリップの幅が、1200mmを超えることを特徴とする、請求項1に記載の方法。
- 熱間圧延ストリップの厚さが、1.5mm以下であることを特徴とする、請求項1又は2に記載の方法。
- 熱間圧延ストリップを、厚さ0.5〜1.4mmを有する冷間圧延ストリップへ冷間圧延することを特徴とする、請求項1〜3のいずれか一項に記載の方法。
- 冷間圧延ストリップを、焼鈍温度750〜850℃で焼鈍することを特徴とする、請求項4に記載の方法。
- 冷間圧延ストリップの引張強さが、800MPa以上であることを特徴とする、請求項4又は5に記載の方法。
- 冷間圧延ストリップが、10%以上の破断伸びA50を有することを特徴とする、請求項4〜6のいずれか一項に記載の方法。
- 熱間圧延又は冷間圧延ストリップに、金属コーティングを施すことを特徴とする、請求項1〜7のいずれか一項に記載の方法。
- 金属コーティングが亜鉛コーティングであることを特徴とする、請求項8に記載の方法。
- 得られた熱間圧延ストリップが10%以上の破断伸びA80 である場合に、最終熱間圧延温度が900〜1000℃であり、そして、巻き取り温度が390〜480℃であることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
- 得られた熱間圧延ストリップが1000MPa以上の引張強さRm である場合に、最終熱間圧延温度が850〜1000℃であり、そして、巻き取り温度が350〜390℃であることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06123140.3 | 2006-10-30 | ||
EP06123140A EP1918404B1 (de) | 2006-10-30 | 2006-10-30 | Verfahren zum Herstellen von Stahl-Flachprodukten aus einem mit Aluminium legierten Mehrphasenstahl |
PCT/EP2007/061391 WO2008052920A1 (de) | 2006-10-30 | 2007-10-24 | Verfahren zum herstellen von stahl-flachprodukten aus einem mit aluminium legierten mehrphasenstahl |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010508436A JP2010508436A (ja) | 2010-03-18 |
JP2010508436A5 JP2010508436A5 (ja) | 2010-07-22 |
JP5350254B2 true JP5350254B2 (ja) | 2013-11-27 |
Family
ID=37733702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009533823A Expired - Fee Related JP5350254B2 (ja) | 2006-10-30 | 2007-10-24 | アルミニウム合金化多相鋼からフラット鋼生成物を製造する方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100065162A1 (ja) |
EP (1) | EP1918404B1 (ja) |
JP (1) | JP5350254B2 (ja) |
KR (1) | KR101461584B1 (ja) |
CN (1) | CN101528966B (ja) |
AT (1) | ATE432374T1 (ja) |
DE (1) | DE502006003832D1 (ja) |
ES (1) | ES2325963T3 (ja) |
PL (1) | PL1918404T3 (ja) |
WO (1) | WO2008052920A1 (ja) |
Families Citing this family (4)
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 |
US8435363B2 (en) | 2007-10-10 | 2013-05-07 | Nucor Corporation | Complex metallographic structured high strength steel and manufacturing same |
US20110277886A1 (en) | 2010-02-20 | 2011-11-17 | Nucor Corporation | Nitriding of niobium steel and product made thereby |
WO2016100839A1 (en) | 2014-12-19 | 2016-06-23 | Nucor Corporation | Hot rolled light-gauge martensitic steel sheet and method for making the same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5470529A (en) * | 1994-03-08 | 1995-11-28 | Sumitomo Metal Industries, Ltd. | High tensile strength steel sheet having improved formability |
TR199900053T2 (xx) * | 1996-07-12 | 1999-03-22 | Thyssen Stahl Aktiengesellschaft | �elikten yap�lm�� s�cak �erit ve bu �eridin �retimi i�in bir i�lem. |
JP3498504B2 (ja) * | 1996-10-23 | 2004-02-16 | 住友金属工業株式会社 | 高延性型高張力冷延鋼板と亜鉛メッキ鋼板 |
FR2796966B1 (fr) * | 1999-07-30 | 2001-09-21 | Ugine Sa | Procede de fabrication de bandes minces en acier de type "trip" et bandes minces ainsi obtenues |
FR2798871B1 (fr) * | 1999-09-24 | 2001-11-02 | Usinor | Procede de fabrication de bandes d'acier au carbone, notamment d'acier pour emballages, et bandes ainsi produites |
AUPQ779900A0 (en) * | 2000-05-26 | 2000-06-22 | Bhp Steel (Jla) Pty Limited | Hot rolling thin strip |
JP4875280B2 (ja) * | 2000-09-29 | 2012-02-15 | ニューコア・コーポレーション | 薄鋼ストリップの製造 |
EP1327697A4 (en) * | 2000-10-19 | 2009-11-11 | Jfe Steel Corp | ZINC PLATED STEEL SHEET AND METHOD FOR PREPARING SAME, AND METHOD FOR MANUFACTURING AN ARTICLE FORMED BY PRESS MACHINING |
DE10128544C2 (de) * | 2001-06-13 | 2003-06-05 | Thyssenkrupp Stahl Ag | Höherfestes, kaltumformbares Stahlblech, Verfahren zu seiner Herstellung und Verwendung eines solchen Blechs |
US6878920B2 (en) * | 2002-06-28 | 2005-04-12 | Intel Corporation | Optical receiver circuit, method, and system |
EP1396550A1 (de) * | 2002-08-28 | 2004-03-10 | ThyssenKrupp Stahl AG | Verfahren zum Herstellen eines Warmbandes |
JP4510488B2 (ja) * | 2004-03-11 | 2010-07-21 | 新日本製鐵株式会社 | 成形性および穴拡げ性に優れた溶融亜鉛めっき複合高強度鋼板およびその製造方法 |
US20070144633A1 (en) * | 2004-03-31 | 2007-06-28 | Taro Kizu | High-stiffness high-strength thin steel sheet and method for producing the same |
-
2006
- 2006-10-30 DE DE502006003832T patent/DE502006003832D1/de active Active
- 2006-10-30 EP EP06123140A patent/EP1918404B1/de not_active Not-in-force
- 2006-10-30 ES ES06123140T patent/ES2325963T3/es active Active
- 2006-10-30 AT AT06123140T patent/ATE432374T1/de active
- 2006-10-30 PL PL06123140T patent/PL1918404T3/pl unknown
-
2007
- 2007-10-24 WO PCT/EP2007/061391 patent/WO2008052920A1/de active Application Filing
- 2007-10-24 CN CN2007800393899A patent/CN101528966B/zh not_active Expired - Fee Related
- 2007-10-24 US US12/447,627 patent/US20100065162A1/en not_active Abandoned
- 2007-10-24 JP JP2009533823A patent/JP5350254B2/ja not_active Expired - Fee Related
- 2007-10-24 KR KR1020097007486A patent/KR101461584B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2010508436A (ja) | 2010-03-18 |
WO2008052920A1 (de) | 2008-05-08 |
KR101461584B1 (ko) | 2014-11-13 |
KR20090090302A (ko) | 2009-08-25 |
PL1918404T3 (pl) | 2009-10-30 |
CN101528966B (zh) | 2011-06-15 |
DE502006003832D1 (de) | 2009-07-09 |
US20100065162A1 (en) | 2010-03-18 |
EP1918404A1 (de) | 2008-05-07 |
ATE432374T1 (de) | 2009-06-15 |
CN101528966A (zh) | 2009-09-09 |
EP1918404B1 (de) | 2009-05-27 |
ES2325963T3 (es) | 2009-09-25 |
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