KR20150080628A - 페라이트계 스테인리스 강 - Google Patents
페라이트계 스테인리스 강 Download PDFInfo
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- KR20150080628A KR20150080628A KR1020157015938A KR20157015938A KR20150080628A KR 20150080628 A KR20150080628 A KR 20150080628A KR 1020157015938 A KR1020157015938 A KR 1020157015938A KR 20157015938 A KR20157015938 A KR 20157015938A KR 20150080628 A KR20150080628 A KR 20150080628A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- 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
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C21D8/0236—Cold rolling
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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
-
- 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
- C21D8/0273—Final recrystallisation annealing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
Description
Claims (15)
- 우수한 부식 및 시트 성형 특성들을 가진 페라이트계 스테인리스 강으로서,
상기 페라이트계 스테인리스 강은, 중량% 로,
비 (Ti+Nb)/(C+N) 가 8 이상 40 미만이고, 또한
비 Tieq/Ceq = (Ti + 0.515*Nb +0.940*V)/(C+0.858*N) 가 6 이상 40 미만이 되는 조건들에서,
0.003 ~ 0.035% 탄소, 0.05 ~ 1.0% 규소, 0.1 ~ 0.8% 망간, 20 ~ 24% 크롬, 0.05 ~ 0.8% 니켈, 0.003 ~ 0.5% 몰리브덴, 0.2 ~ 0.8% 구리, 0.003 ~ 0.05% 질소, 0.05 ~ 0.8% 티타늄, 0.05 ~ 0.8% 니오븀, 0.03 ~ 0.5% 바나듐, 0.04% 미만의 알루미늄 및 C+N 합이 0.06% 미만이고, 잔부로서 철 및 불가피한 불순물들로 구성되는 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항에 있어서,
상기 탄소의 함량은 0.03 중량% 미만이지만 적어도 0.003 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스. - 제 1 항 또는 제 2 항에 있어서,
상기 규소의 함량은 0.05 ~ 0.7 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 망간의 함량은 0.65 중량% 미만, 바람직하게는 0.10 ~ 0.65 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 니켈의 함량은 0.5 중량% 미만이지만 적어도 0.05 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 몰리브덴의 함량은 0.003 ~ 0.2 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 구리의 함량은 0.5 중량% 미만이지만 적어도 0.2 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 질소의 함량은 0.03 중량% 미만이지만 적어도 0.003 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 티타늄의 함량은 0.05 ~ 0.40 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 니오븀의 함량은 0.05 ~ 0.40 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 바나듐의 함량은 0.03 ~ 0.20 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
상기 크롬의 함량은 20 ~ 21.5 중량% 인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 비 (Ti+Nb/(C+N) 는 8 이상 25 미만인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,
상기 비 Tieq/Ceq = (Ti + 0.515*Nb +0.940*V)/(C+0.858*N) 는 6 이상 20 미만인 것을 특징으로 하는, 페라이트계 스테인리스 강. - 제 1 항 내지 제 14 항 중 어느 한 항에 있어서,
상기 페라이트계 스테인리스 강은 AOD (아르곤-산소-탈탄) 기술을 사용하여 제조되는 것을 특징으로 하는, 페라이트계 스테인리스 강.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20126212 | 2012-11-20 | ||
FI20126212A FI124995B (fi) | 2012-11-20 | 2012-11-20 | Ferriittinen ruostumaton teräs |
PCT/FI2013/051085 WO2014080078A1 (en) | 2012-11-20 | 2013-11-19 | Ferritic stainless steel |
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KR20150080628A true KR20150080628A (ko) | 2015-07-09 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020157015938A KR20150080628A (ko) | 2012-11-20 | 2013-11-19 | 페라이트계 스테인리스 강 |
Country Status (17)
Country | Link |
---|---|
US (1) | US11384405B2 (ko) |
EP (1) | EP2922978B1 (ko) |
JP (1) | JP6426617B2 (ko) |
KR (1) | KR20150080628A (ko) |
CN (1) | CN104903483B (ko) |
AU (1) | AU2013349589B2 (ko) |
BR (1) | BR112015011640B1 (ko) |
CA (1) | CA2890857C (ko) |
EA (1) | EA027178B1 (ko) |
ES (1) | ES2627269T3 (ko) |
FI (1) | FI124995B (ko) |
MX (1) | MX2015006269A (ko) |
MY (1) | MY174751A (ko) |
SI (1) | SI2922978T1 (ko) |
TW (1) | TWI599663B (ko) |
WO (1) | WO2014080078A1 (ko) |
ZA (1) | ZA201503550B (ko) |
Families Citing this family (5)
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JP6306353B2 (ja) * | 2014-01-21 | 2018-04-04 | Jfeスチール株式会社 | フェライト系ステンレス冷延鋼板用スラブの製造方法およびフェライト系ステンレス冷延鋼板の製造方法 |
CN106795599B (zh) * | 2014-08-29 | 2019-12-24 | 杰富意钢铁株式会社 | 铁素体系不锈钢箔及其制造方法 |
CN108754335B (zh) * | 2018-08-22 | 2019-09-10 | 武汉钢铁有限公司 | 一种屈服强度≥550MPa的焊接结构用耐火耐候钢及生产方法 |
EP3670692B1 (en) * | 2018-12-21 | 2022-08-10 | Outokumpu Oyj | Ferritic stainless steel |
CN114127339A (zh) | 2019-07-17 | 2022-03-01 | 托普索公司 | 对用于固体氧化物电池堆应用的铁素体钢互连件进行铬升级的方法 |
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TW480288B (en) * | 1999-12-03 | 2002-03-21 | Kawasaki Steel Co | Ferritic stainless steel plate and method |
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EP2562285B1 (en) | 2004-01-29 | 2017-05-03 | JFE Steel Corporation | Austenitic-ferritic stainless steel |
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JP2012018074A (ja) * | 2010-07-08 | 2012-01-26 | Toshiba Corp | 放射線検出器およびその製造方法 |
JP5793283B2 (ja) * | 2010-08-06 | 2015-10-14 | 新日鐵住金ステンレス株式会社 | ブラックスポットの生成の少ないフェライト系ステンレス鋼 |
JP5768641B2 (ja) | 2010-10-08 | 2015-08-26 | Jfeスチール株式会社 | 耐食性および電気伝導性に優れたフェライト系ステンレス鋼およびその製造方法、ならびに固体高分子型燃料電池セパレータおよび固体高分子型燃料電池 |
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- 2013-11-19 EA EA201590728A patent/EA027178B1/ru not_active IP Right Cessation
- 2013-11-19 SI SI201330641A patent/SI2922978T1/sl unknown
- 2013-11-19 KR KR1020157015938A patent/KR20150080628A/ko active Search and Examination
- 2013-11-19 MX MX2015006269A patent/MX2015006269A/es active IP Right Grant
- 2013-11-19 BR BR112015011640-0A patent/BR112015011640B1/pt active IP Right Grant
- 2013-11-19 ES ES13857201.1T patent/ES2627269T3/es active Active
- 2013-11-19 AU AU2013349589A patent/AU2013349589B2/en active Active
- 2013-11-20 TW TW102142208A patent/TWI599663B/zh active
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Also Published As
Publication number | Publication date |
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US11384405B2 (en) | 2022-07-12 |
EA027178B1 (ru) | 2017-06-30 |
TW201430147A (zh) | 2014-08-01 |
MX2015006269A (es) | 2015-08-07 |
CN104903483B (zh) | 2017-09-12 |
JP2016503459A (ja) | 2016-02-04 |
FI124995B (fi) | 2015-04-15 |
TWI599663B (zh) | 2017-09-21 |
CA2890857C (en) | 2021-03-30 |
EP2922978A1 (en) | 2015-09-30 |
AU2013349589B2 (en) | 2017-07-20 |
BR112015011640A2 (pt) | 2017-07-11 |
US20160281184A1 (en) | 2016-09-29 |
CA2890857A1 (en) | 2014-05-30 |
EA201590728A1 (ru) | 2015-11-30 |
CN104903483A (zh) | 2015-09-09 |
ZA201503550B (en) | 2016-08-31 |
MY174751A (en) | 2020-05-13 |
BR112015011640B1 (pt) | 2023-10-17 |
ES2627269T3 (es) | 2017-07-27 |
EP2922978A4 (en) | 2015-12-16 |
SI2922978T1 (sl) | 2017-06-30 |
WO2014080078A1 (en) | 2014-05-30 |
JP6426617B2 (ja) | 2018-11-21 |
EP2922978B1 (en) | 2017-03-01 |
FI20126212A (fi) | 2014-05-21 |
AU2013349589A1 (en) | 2015-06-04 |
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