JP5659061B2 - 耐熱性と加工性に優れたフェライト系ステンレス鋼板及びその製造方法 - Google Patents
耐熱性と加工性に優れたフェライト系ステンレス鋼板及びその製造方法 Download PDFInfo
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- JP5659061B2 JP5659061B2 JP2011072270A JP2011072270A JP5659061B2 JP 5659061 B2 JP5659061 B2 JP 5659061B2 JP 2011072270 A JP2011072270 A JP 2011072270A JP 2011072270 A JP2011072270 A JP 2011072270A JP 5659061 B2 JP5659061 B2 JP 5659061B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000000137 annealing Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 23
- 229910052750 molybdenum Inorganic materials 0.000 claims description 19
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 238000005098 hot rolling Methods 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 10
- 238000005097 cold rolling Methods 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 description 39
- 238000007254 oxidation reaction Methods 0.000 description 39
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
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- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 4
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- 230000007774 longterm Effects 0.000 description 4
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- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 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
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- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
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- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D8/0273—Final recrystallisation annealing
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- 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
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
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Description
(1) 質量%にて、C:0.02%以下、N:0.02%以下、Si:0.1超〜1.0%以下、Mn:0.5%以下、P:0.02〜0.10%、Cr:13.0〜20.0%、Nb:0.5〜1.0%、Cu:1.0〜3.0%、Mo:1.5〜3.5%以下、W:2.0%以下、B:0.0001〜0.0010%、Al:0.01〜1.0%以下を含有し、残部がFeおよび不可避的不純物からなり、Mo+Wが2.0〜3.5%であることを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板。
(2) 質量%にて、Ti:0.05〜0.4%、V:0.05〜1.0%、Zr:0.05〜1.0%、Sn:0.05〜0.5%、Ni:0.05〜1.0%の1種以上を含有することを特徴とする上記(1)記載の耐熱性と加工性に優れたフェライト系ステンレス鋼板。
(3) 上記(1)または(2)記載のフェライト系ステンレス鋼板を製造する際、熱延巻取後1時間以内に水冷処理し、熱延板焼鈍を省略して冷延、焼鈍を施すことを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板の製造方法。
(4) 上記(1)または(2)記載のフェライト系ステンレス鋼板を製造する際、熱延巻取後1時間以内に水冷処理し、熱延板焼鈍を700〜950℃の未再結晶域で行ない、冷延、焼鈍を施すことを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板の製造方法。
Claims (4)
- 質量%にて、C:0.02%以下、N:0.02%以下、Si:0.1超〜1.0%以下、Mn:0.5%以下、P:0.020〜0.100%、Cr:13.0〜20.0%、Nb:0.5〜1.0%、Cu:1.0〜3.0%、Mo:1.5〜3.5%以下、W:2.0%以下、B:0.0001〜0.0010%、Al:0.01〜1.0%以下を含有し、残部がFeおよび不可避的不純物からなり、Mo+Wが2.0〜3.5%であることを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板。
- 質量%にて、Ti:0.05〜0.4%、V:0.05〜1.0%、Zr:0.05〜1.0%、Sn:0.05〜0.5%、Ni:0.05〜1.0%の1種以上を含有することを特徴とする請求項1記載の耐熱性と加工性に優れたフェライト系ステンレス鋼板。
- 請求項1または2記載のフェライト系ステンレス鋼板を製造する際、熱延巻取後1時間以内に水冷処理し、熱延板焼鈍を省略して冷延、焼鈍を施すことを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板の製造方法。
- 請求項1または2記載のフェライト系ステンレス鋼板を製造する際、熱延巻取後1時間以内に水冷処理し、熱延板焼鈍を700〜950℃の未再結晶域で行ない、冷延、焼鈍を施すことを特徴とする耐熱性と加工性に優れたフェライト系ステンレス鋼板の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011072270A JP5659061B2 (ja) | 2011-03-29 | 2011-03-29 | 耐熱性と加工性に優れたフェライト系ステンレス鋼板及びその製造方法 |
EP12765258.4A EP2692889B1 (en) | 2011-03-29 | 2012-03-28 | Ferritic stainless steel sheet having excellent heat resistance and processability, and method for producing same |
KR1020137022243A KR101557463B1 (ko) | 2011-03-29 | 2012-03-28 | 내열성과 가공성이 우수한 페라이트계 스테인리스 강판 및 그 제조 방법 |
US14/008,406 US20140023550A1 (en) | 2011-03-29 | 2012-03-28 | Ferritic stainless steel sheet excellent in heat resistance and workability and method of production of same |
PCT/JP2012/058218 WO2012133573A1 (ja) | 2011-03-29 | 2012-03-28 | 耐熱性と加工性に優れたフェライト系ステンレス鋼板及びその製造方法 |
CN2012800158527A CN103459639A (zh) | 2011-03-29 | 2012-03-28 | 耐热性和加工性优良的铁素体系不锈钢板及其制造方法 |
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JP2010236001A (ja) * | 2009-03-31 | 2010-10-21 | Nisshin Steel Co Ltd | フェライト系ステンレス鋼 |
-
2011
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- 2012-03-28 WO PCT/JP2012/058218 patent/WO2012133573A1/ja active Application Filing
- 2012-03-28 KR KR1020137022243A patent/KR101557463B1/ko active Active
- 2012-03-28 EP EP12765258.4A patent/EP2692889B1/en active Active
- 2012-03-28 CN CN2012800158527A patent/CN103459639A/zh active Pending
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EP2692889B1 (en) | 2017-06-21 |
EP2692889A4 (en) | 2014-11-26 |
KR20130107371A (ko) | 2013-10-01 |
EP2692889A1 (en) | 2014-02-05 |
CN103459639A (zh) | 2013-12-18 |
KR101557463B1 (ko) | 2015-10-06 |
US20140023550A1 (en) | 2014-01-23 |
JP2012207252A (ja) | 2012-10-25 |
WO2012133573A1 (ja) | 2012-10-04 |
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