KR20030003848A - 리징성이 우수한 페라이트계 스테인레스강의 제조방법 - Google Patents
리징성이 우수한 페라이트계 스테인레스강의 제조방법 Download PDFInfo
- Publication number
- KR20030003848A KR20030003848A KR1020010039688A KR20010039688A KR20030003848A KR 20030003848 A KR20030003848 A KR 20030003848A KR 1020010039688 A KR1020010039688 A KR 1020010039688A KR 20010039688 A KR20010039688 A KR 20010039688A KR 20030003848 A KR20030003848 A KR 20030003848A
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- Prior art keywords
- less
- stainless steel
- ferritic stainless
- slab
- annealing
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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
- C21D8/04—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
- C21D8/0421—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
- C21D8/0436—Cold 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
- C21D8/0463—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 following 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C21D2211/001—Austenite
-
- 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
- C21D2211/005—Ferrite
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- 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)
Abstract
Description
C | Si | Mn | Cr | Al | N | γmax(%) | ||
A | 0.052 | 0.39 | 0.38 | 16.23 | 0.003 | 0.03 | 31.1 | 본발명강 |
B | 0.047 | 0.40 | 0.25 | 16.34 | 0.002 | 0.014 | 18.4 | |
C | 0.052 | 0.42 | 0.25 | 16.38 | 0.134 | 0.025 | 18.4 | |
D | 0.044 | 0.40 | 0.23 | 16.50 | 0.063 | 0.011 | 11.4 | 비교강 |
제조조건 | |
종래방법(I) | 열간압연 → 상소둔 →냉간압연 →연속소둔 |
종래방법(II) | 열간압연 →연속소둔→냉간압연 →연속소둔 |
본발명법 | 열간압연 →연속소둔→냉간압연 →상소둔 |
Claims (2)
- 중량%로 C : 0.10%이하, Si : 1.0%이하, Mn : 1.0%이하, P : 0.040%이하, S : 0.030%이하, Cr : 15.0 ~ 20.0%, Al : 0.2%이하 그리고 N : 0.05%이하를 함유하고 나머지 Fe 및 기타 불가피하게 함유되는 불순물로 이루어진 페라이트계 스테인레스강의 제조방법에 있어서,상기와 같이 조성된 페라이트계 스테인레스강 슬라브를 열간압연하는 단계와, 상기 열간압연된 슬라브를 850 ~ 1000℃ 온도로 가열하여 10초 ~ 5분 동안 유지한 후 급냉하여 연속소둔하는 단계와, 상기 연속소둔된 열간압연판을 냉간압연하는 단계와, 상기 냉간압연판을 800 ~ 900℃온도에서 1시간 ~ 10시간 유지하여 상소둔하는 단계를 포함하는 것을 특징으로 하는 리징성이 우수한 페라이트계 스테인레스강의 제조방법.
- 제1항에 있어서,상기 페라이트계 스테인레스강 슬라브의 오스테나이트 최대 분율(max)은 15 ~ 40%인 것을 특징으로 하는 리징성이 우수한 페라이트계 스테인레스강의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010039688A KR100729526B1 (ko) | 2001-07-04 | 2001-07-04 | 리징성이 우수한 페라이트계 스테인레스강의 제조방법 |
Applications Claiming Priority (1)
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KR1020010039688A KR100729526B1 (ko) | 2001-07-04 | 2001-07-04 | 리징성이 우수한 페라이트계 스테인레스강의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030003848A true KR20030003848A (ko) | 2003-01-14 |
KR100729526B1 KR100729526B1 (ko) | 2007-06-15 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101279052B1 (ko) * | 2009-12-23 | 2013-07-02 | 주식회사 포스코 | 내리징성이 우수한 페라이트계 스테인리스 강판 및 그 제조방법 |
KR101279051B1 (ko) * | 2009-12-28 | 2013-07-02 | 주식회사 포스코 | 페라이트계 스테인레스강 및 그 제조방법 |
CN105247082A (zh) * | 2013-04-01 | 2016-01-13 | 日立金属株式会社 | 刀具用钢的生产方法 |
KR20170086100A (ko) * | 2014-12-11 | 2017-07-25 | 제이에프이 스틸 가부시키가이샤 | 페라이트계 스테인리스강 및 그 제조 방법 |
WO2021125580A1 (ko) * | 2019-12-20 | 2021-06-24 | 주식회사 포스코 | 자화특성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100963109B1 (ko) | 2007-11-22 | 2010-06-14 | 주식회사 포스코 | 고크롬 페라이트계 스테인리스강 |
KR101258756B1 (ko) | 2010-12-27 | 2013-04-29 | 주식회사 포스코 | 표면품질 및 내리징성이 우수한 페라이트계 스테인리스강 및 그 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5840797A (en) * | 1996-09-16 | 1998-11-24 | H. B. Fuller Licensing & Financing, Inc. | Light weight, high performance vibration-damping system |
KR20010079456A (ko) * | 2001-07-20 | 2001-08-22 | 김해용 | 영양 약식 무균포장밥의 제조법 |
-
2001
- 2001-07-04 KR KR1020010039688A patent/KR100729526B1/ko active IP Right Grant
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101279052B1 (ko) * | 2009-12-23 | 2013-07-02 | 주식회사 포스코 | 내리징성이 우수한 페라이트계 스테인리스 강판 및 그 제조방법 |
KR101279051B1 (ko) * | 2009-12-28 | 2013-07-02 | 주식회사 포스코 | 페라이트계 스테인레스강 및 그 제조방법 |
CN105247082A (zh) * | 2013-04-01 | 2016-01-13 | 日立金属株式会社 | 刀具用钢的生产方法 |
KR20170086100A (ko) * | 2014-12-11 | 2017-07-25 | 제이에프이 스틸 가부시키가이샤 | 페라이트계 스테인리스강 및 그 제조 방법 |
WO2021125580A1 (ko) * | 2019-12-20 | 2021-06-24 | 주식회사 포스코 | 자화특성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
CN114746569A (zh) * | 2019-12-20 | 2022-07-12 | 株式会社Posco | 具有改善的磁化强度的铁素体不锈钢及其制造方法 |
JP2023502232A (ja) * | 2019-12-20 | 2023-01-23 | ポスコホールディングス インコーポレーティッド | 磁化特性が向上したフェライト系ステンレス鋼及びその製造方法 |
CN114746569B (zh) * | 2019-12-20 | 2023-11-07 | 株式会社Posco | 具有改善的磁化强度的铁素体不锈钢及其制造方法 |
JP7465965B2 (ja) | 2019-12-20 | 2024-04-11 | ポスコホールディングス インコーポレーティッド | 磁化特性が向上したフェライト系ステンレス鋼板及びその製造方法 |
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