JP5775879B2 - マルテンサイト系ステンレス鋼およびその製造方法 - Google Patents
マルテンサイト系ステンレス鋼およびその製造方法 Download PDFInfo
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- JP5775879B2 JP5775879B2 JP2012545846A JP2012545846A JP5775879B2 JP 5775879 B2 JP5775879 B2 JP 5775879B2 JP 2012545846 A JP2012545846 A JP 2012545846A JP 2012545846 A JP2012545846 A JP 2012545846A JP 5775879 B2 JP5775879 B2 JP 5775879B2
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- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous 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
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/002—Stainless steels
-
- 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
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- 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
- B22D11/0637—Accessories therefor
- B22D11/0697—Accessories therefor for casting in a protected atmosphere
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
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- 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)
- Continuous Casting (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Description
以下、実施例で本発明を説明する。
2 タンディッシュ
3 注入ノズル
4 メニスカスシールド
5 エッジダム
6 鋳造ロール
7 ロールニップ
8 鋳片
9 IRM圧延器
10 コイル巻取装置
Claims (5)
- 互いに反対方向に回転する一対のロールとその両側面に溶鋼プールを形成するように設けられるエッジダムと、前記溶鋼プールの上部面に不活性窒素ガスを供給するメニスカスシールドを含むストリップキャスティング装置において、
重量%でC:0.10〜0.50%、Cr:11〜16%、Si:0.1〜1.0%、Mn:0.1〜1.0%、Ni:0超過1.0%以下、N:0超過0.1%以下、S:0超過0.04%以下、P:0超過0.05%以下および残部はFeおよびその他の不可避な不純物からなるステンレス溶鋼をタンディッシュからノズルを介して前記溶鋼プールに供給して、前記ステンレス溶鋼が前記一対のロール間を通過する間にステンレス薄板に直接鋳造されるようにし、
前記鋳造されたステンレス薄板をインラインローラーを使用して前記鋳造直後の高温において連続的に5〜40%の圧下率で1から5mmの厚さを有する熱間圧延焼鈍ストリップを製造し、
前記熱間圧延焼鈍ストリップに対して還元性ガス雰囲気下で700〜950℃の温度範囲でバッチ焼鈍を施して熱間圧延焼鈍板を製造し、
前記熱間圧延焼鈍板は、荷重100gのビッカース硬さで測定したとき、厚さ断面部で炭化物偏析部と微偏析部との硬さの差が90Hv以下を有することを特徴とするマルテンサイト系ステンレス鋼の製造方法。 - 前記熱間圧延焼鈍板の厚さ断面部に炭化物偏析層の厚さが20μm以下を有することを特徴とする請求項1に記載のマルテンサイト系ステンレス鋼の製造方法。
- 互いに反対方向に回転する一対のロールとその両側面に溶鋼プールを形成するように設けられるエッジダムと、前記溶鋼プールの上部面に不活性窒素ガスを供給するメニスカスシールドを含むストリップキャスティング装置において、
重量%でC:0.10〜0.50%、Cr:11〜16%、Si:0.1〜1.0%、Mn:0.1〜1.0%、Ni:0超過1.0%以下、N:0超過0.1%以下、S:0超過0.04%以下、P:0超過0.05%以下および残部はFeおよびその他の不可避な不純物からなるステンレス溶鋼をタンディッシュからノズルを介して前記溶鋼プールに供給して、前記ステンレス溶鋼が前記一対のロール間を通過する間にステンレス薄板に直接鋳造されるようにし、
前記鋳造されたステンレス薄板をインラインローラーを使用して前記鋳造直後の高温において連続的に5〜40%の圧下率で1から5mmの厚さを有する熱間圧延焼鈍ストリップを製造し、
前記熱間圧延焼鈍ストリップに対して還元性ガス雰囲気下で700〜950℃の温度範囲でバッチ焼鈍を施して製造された熱間圧延焼鈍板であって、荷重100gのビッカース硬さで測定したとき、厚さ断面部で炭化物偏析部と微偏析部との硬さの差が90Hv以下を有する熱間圧延焼鈍板からなることを特徴とするマルテンサイト系ステンレス鋼。 - 前記マルテンサイト系ステンレス鋼の厚さ断面部に炭化物偏析層の厚さが20μm以下を有することを特徴とする請求項3に記載のマルテンサイト系ステンレス鋼。
- 前記マルテンサイト系ステンレス鋼は、その厚さが1〜5mmの薄板であることを特徴とする請求項3又は4に記載のマルテンサイト系ステンレス鋼。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0128111 | 2009-12-21 | ||
KR1020090128111A KR101312776B1 (ko) | 2009-12-21 | 2009-12-21 | 마르텐사이트계 스테인리스강 및 그 제조방법 |
PCT/KR2010/009106 WO2011078530A2 (ko) | 2009-12-21 | 2010-12-20 | 마르텐사이트계 스테인리스강 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013514890A JP2013514890A (ja) | 2013-05-02 |
JP5775879B2 true JP5775879B2 (ja) | 2015-09-09 |
Family
ID=44196274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012545846A Expired - Fee Related JP5775879B2 (ja) | 2009-12-21 | 2010-12-20 | マルテンサイト系ステンレス鋼およびその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130122320A1 (ja) |
JP (1) | JP5775879B2 (ja) |
KR (1) | KR101312776B1 (ja) |
CN (1) | CN102665963B (ja) |
DE (1) | DE112010004924T8 (ja) |
WO (1) | WO2011078530A2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101239589B1 (ko) * | 2010-12-27 | 2013-03-05 | 주식회사 포스코 | 고내식 마르텐사이트 스테인리스강 및 그 제조방법 |
KR101360536B1 (ko) * | 2011-12-27 | 2014-02-10 | 주식회사 포스코 | 마르텐사이트계 스테인리스 강판의 제조방법 |
KR101403286B1 (ko) * | 2011-12-27 | 2014-06-02 | 주식회사 포스코 | 마르텐사이트계 스테인리스 강판 및 그 제조방법 |
KR101368502B1 (ko) * | 2011-12-28 | 2014-02-28 | 주식회사 포스코 | 방청성이 우수한 마르텐사이트계 스테인리스강 및 그의 제조방법 |
KR101423826B1 (ko) * | 2012-07-16 | 2014-07-25 | 주식회사 포스코 | 마르텐사이트계 스테인리스강 및 그 제조방법 |
WO2014156806A1 (ja) * | 2013-03-25 | 2014-10-02 | 日立金属株式会社 | 刃物用ステンレス鋼の中間素材 |
JP6154708B2 (ja) * | 2013-09-27 | 2017-06-28 | 日新製鋼株式会社 | 連続鋳造方法 |
KR20150055788A (ko) | 2013-11-14 | 2015-05-22 | 주식회사 포스코 | 쌍롤식 박판주조기의 주조롤 및 그 제조 방법 |
KR101543867B1 (ko) * | 2013-11-14 | 2015-08-11 | 주식회사 포스코 | 쌍롤식 박판주조기를 사용한 마르텐사이트계 스테인리스 강판의 제조 방법 |
CN103866179B (zh) * | 2014-02-19 | 2016-05-11 | 中国科学院合肥物质科学研究院 | 一种柱状晶/等轴晶复合晶体结构的高强塑积合金钢及其制备方法 |
CN108486503B (zh) * | 2018-03-12 | 2020-04-28 | 东北大学 | 一种高碳马氏体不锈钢薄带的连铸近终成形制备方法 |
CN110643895B (zh) * | 2018-06-27 | 2021-05-14 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢油套管及其制造方法 |
CN110031347A (zh) * | 2019-04-02 | 2019-07-19 | 鞍钢股份有限公司 | 一种测定弹簧钢盘条偏析的方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6134161A (ja) * | 1984-07-25 | 1986-02-18 | Kawasaki Steel Corp | 刃物用ステンレス鋼 |
JPS63206431A (ja) * | 1987-02-23 | 1988-08-25 | Kobe Steel Ltd | 刃物用ステンレス薄帯の製造法 |
JPH02182397A (ja) * | 1989-01-10 | 1990-07-17 | Kawasaki Steel Corp | マルテンサイトステンレス鋼溶接材料の製造方法 |
WO1993020966A1 (en) * | 1992-04-17 | 1993-10-28 | Nippon Steel Corporation | Thin-strip cast piece of austenitic stainless steel, thin-strip cold-rolled steel plate and method of manufacturing the same |
JPH07195103A (ja) * | 1994-01-07 | 1995-08-01 | Nippon Steel Corp | 薄肉鋳片による鋼板の製造方法 |
JPH07251244A (ja) * | 1994-03-16 | 1995-10-03 | Nippon Steel Corp | 双ロール式連続鋳造法における鋳片ポロシティ防止方法 |
FR2763960B1 (fr) * | 1997-05-29 | 1999-07-16 | Usinor | Procede de fabrication de bandes minces d'acier inoxydable ferritique, et bandes minces ainsi obtenues |
KR100584744B1 (ko) * | 2001-12-21 | 2006-05-30 | 주식회사 포스코 | 오스테나이트계 스테인레스 냉연 무늬 강판의 제조방법 |
DE10215597A1 (de) * | 2002-04-10 | 2003-10-30 | Thyssenkrupp Nirosta Gmbh | Verfahren zum Herstellen eines hohe Kohlenstoffgehalte aufweisenden martensitischen Stahlbands und Verwendung eines solchen Stahlbands |
JP2003313612A (ja) * | 2002-04-23 | 2003-11-06 | Matsushita Electric Works Ltd | 結晶粒微細化マルテンサイト系ステンレス鋼の製造方法、および同ステンレス鋼を用いた刃物 |
KR100887109B1 (ko) * | 2002-08-30 | 2009-03-04 | 주식회사 포스코 | 쌍롤형 박판주조기를 이용한 304 스테인레스강 박판의제조방법 |
KR101268800B1 (ko) * | 2009-12-21 | 2013-05-28 | 주식회사 포스코 | 고탄소 마르텐사이트계 스테인리스강 및 그 제조방법 |
KR101239589B1 (ko) * | 2010-12-27 | 2013-03-05 | 주식회사 포스코 | 고내식 마르텐사이트 스테인리스강 및 그 제조방법 |
-
2009
- 2009-12-21 KR KR1020090128111A patent/KR101312776B1/ko active IP Right Grant
-
2010
- 2010-12-20 CN CN201080058569.3A patent/CN102665963B/zh not_active Expired - Fee Related
- 2010-12-20 DE DE112010004924T patent/DE112010004924T8/de not_active Ceased
- 2010-12-20 WO PCT/KR2010/009106 patent/WO2011078530A2/ko active Application Filing
- 2010-12-20 US US13/517,351 patent/US20130122320A1/en not_active Abandoned
- 2010-12-20 JP JP2012545846A patent/JP5775879B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102665963A (zh) | 2012-09-12 |
WO2011078530A2 (ko) | 2011-06-30 |
DE112010004924T5 (de) | 2012-11-08 |
US20130122320A1 (en) | 2013-05-16 |
JP2013514890A (ja) | 2013-05-02 |
DE112010004924T8 (de) | 2013-01-17 |
KR20110071517A (ko) | 2011-06-29 |
CN102665963B (zh) | 2015-07-29 |
KR101312776B1 (ko) | 2013-09-27 |
WO2011078530A3 (ko) | 2011-10-20 |
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