JP2017531093A - 高強度オーステナイト系ステンレス鋼およびその製造方法 - Google Patents
高強度オーステナイト系ステンレス鋼およびその製造方法 Download PDFInfo
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- JP2017531093A JP2017531093A JP2017510383A JP2017510383A JP2017531093A JP 2017531093 A JP2017531093 A JP 2017531093A JP 2017510383 A JP2017510383 A JP 2017510383A JP 2017510383 A JP2017510383 A JP 2017510383A JP 2017531093 A JP2017531093 A JP 2017531093A
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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
- 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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- 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
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of 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
- C21D8/0221—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
- C21D8/0273—Final recrystallisation annealing
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—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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- 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
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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
- C22C38/44—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
-
- 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
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
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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
Claims (9)
- 重量パーセントで0〜0.4%のC、0〜3%のSi、3〜20%のMn、10〜30%のCr、0〜4.5%のNi、0〜3%のMo、0〜3%のCu、0.05〜0.5%のN、0〜0.5%のNb、0〜0.5%のTi、0〜0.5%のV、残部のFeおよび不可避的不純物を含むオーステナイト系ステンレス鋼であって、ニオブ(Nb)、チタン(Ti)またはバナジウム(V)から成る群の中の少なくとも1種類の元素の含量を0.05%超とし、したがってニオブ(Nb)、チタン(Ti)およびバナジウム(V)の合計含量を0.05〜0.5%の範囲内とすることにより、冷間変形加工品の焼鈍後の鋼の粒径を10マイクロメートル未満とし、圧延方向に垂直な方向および平行な方向で測定した鋼の降伏強さの差を5%未満としたことを特徴とするオーステナイト系ステンレス鋼。
- 請求項1に記載のオーステナイト系ステンレス鋼において、該ステンレス鋼中の粒径は7マイクロメートル未満、好ましくは5マイクロメートル未満であることを特徴とするオーステナイト系ステンレス鋼。
- 請求項1または2に記載のオーステナイト系ステンレス鋼において、該ステンレス鋼は、モリブデンを好ましくは0〜1.5%、より好ましくは0〜0.5%含むことを特徴とするオーステナイト系ステンレス鋼。
- 請求項1ないし3のいずれかに記載のオーステナイト系ステンレス鋼において、該ステンレス鋼は、Nbを0.05〜0.30%、好ましくは0.05〜0.20%含むことを特徴とするオーステナイト系ステンレス鋼。
- 請求項1ないし3のいずれかに記載のオーステナイト系ステンレス鋼において、該ステンレス鋼は、Tiを0.05〜0.30%、好ましくは0.05〜0.20%含むことを特徴とするオーステナイト系ステンレス鋼。
- 請求項1ないし3のいずれかに記載のオーステナイト系ステンレス鋼において、該ステンレス鋼は、Vを0.05〜0.30%、好ましくは0.05〜0.20%含むことを特徴とするオーステナイト系ステンレス鋼。
- 重量パーセントで0〜0.4%のC、0〜3%のSi、3〜20%のMn、10〜30%のCr、0〜4.5%のNi、0〜3%のMo、0〜3%のCu、0.05〜0.5%のN、0〜0.5%のNb、0〜0.5%のTi、0〜0.5%のV、残部のFeおよび不可避的不純物を含むオーステナイト系ステンレス鋼を、焼鈍前に圧下率を少なくとも50%として冷間変形加工に供することにより、焼鈍中に10マイクロメートル未満の小粒径を達成させ、圧延方向に垂直な方向および平行な方向で測定した鋼の降伏強さの差を5%未満になすことを特徴とするオーステナイト系ステンレス鋼の製造方法。
- 請求項7に記載の方法において、変形加工後、前記ステンレス鋼は、700〜1050℃の温度範囲で1〜400秒間、好ましくは1〜200秒間焼鈍することを特徴とする製造方法。
- 請求項7または8に記載の方法において、前記変形加工は冷間圧延であることを特徴とする製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FI20145735 | 2014-08-21 | ||
FI20145735A FI127274B (en) | 2014-08-21 | 2014-08-21 | HIGH-STRENGTH AUSTENITE STAINLESS STEEL AND ITS PRODUCTION METHOD |
PCT/FI2015/050539 WO2016027009A1 (en) | 2014-08-21 | 2015-08-21 | High strength austenitic stainless steel and production method thereof |
Publications (1)
Publication Number | Publication Date |
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JP2017531093A true JP2017531093A (ja) | 2017-10-19 |
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JP2017510383A Pending JP2017531093A (ja) | 2014-08-21 | 2015-08-21 | 高強度オーステナイト系ステンレス鋼およびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20170268076A1 (ja) |
EP (1) | EP3191612A4 (ja) |
JP (1) | JP2017531093A (ja) |
KR (1) | KR20170029631A (ja) |
CN (1) | CN106574351A (ja) |
FI (1) | FI127274B (ja) |
WO (1) | WO2016027009A1 (ja) |
Cited By (2)
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WO2021261884A1 (ko) * | 2020-06-23 | 2021-12-30 | 주식회사 포스코 | 생산성 및 원가 절감 효과가 우수한 고강도 오스테나이트계 스테인리스강 및 이의 제조방법 |
WO2023234525A1 (ko) * | 2022-05-31 | 2023-12-07 | 주식회사 포스코 | 오스테나이트계 스테인리스강 및 그 제조방법 |
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KR101903403B1 (ko) * | 2016-11-25 | 2018-10-04 | 한국기계연구원 | 내공식성이 향상된 오스테나이트계 스테인리스강 |
KR101903174B1 (ko) * | 2016-12-13 | 2018-10-01 | 주식회사 포스코 | 강도 및 연성이 우수한 저합금 강판 |
ES2824461T3 (es) * | 2017-02-10 | 2021-05-12 | Outokumpu Oy | Componente de acero fabricado por conformado en caliente, método de fabricación y uso del componente |
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MX2023005608A (es) | 2020-11-13 | 2023-05-29 | Acerinox Europa S A U | Acero inoxidable austenitico de bajo contenido en ni con propiedades de alta resistencia/ductilidad. |
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KR20230091618A (ko) * | 2021-12-16 | 2023-06-23 | 주식회사 포스코 | 오스테나이트계 스테인리스 강 및 그 제조방법 |
CN114934231B (zh) * | 2022-05-31 | 2023-05-02 | 江西宝顺昌特种合金制造有限公司 | 一种高锰低磁高强度奥氏体钢及其制造方法 |
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2014
- 2014-08-21 FI FI20145735A patent/FI127274B/en not_active IP Right Cessation
-
2015
- 2015-08-21 JP JP2017510383A patent/JP2017531093A/ja active Pending
- 2015-08-21 EP EP15834538.9A patent/EP3191612A4/en not_active Withdrawn
- 2015-08-21 KR KR1020177004879A patent/KR20170029631A/ko not_active Application Discontinuation
- 2015-08-21 CN CN201580044801.0A patent/CN106574351A/zh active Pending
- 2015-08-21 WO PCT/FI2015/050539 patent/WO2016027009A1/en active Application Filing
- 2015-08-21 US US15/505,505 patent/US20170268076A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021261884A1 (ko) * | 2020-06-23 | 2021-12-30 | 주식회사 포스코 | 생산성 및 원가 절감 효과가 우수한 고강도 오스테나이트계 스테인리스강 및 이의 제조방법 |
WO2023234525A1 (ko) * | 2022-05-31 | 2023-12-07 | 주식회사 포스코 | 오스테나이트계 스테인리스강 및 그 제조방법 |
Also Published As
Publication number | Publication date |
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CN106574351A (zh) | 2017-04-19 |
WO2016027009A1 (en) | 2016-02-25 |
EP3191612A4 (en) | 2018-01-24 |
KR20170029631A (ko) | 2017-03-15 |
FI127274B (en) | 2018-02-28 |
US20170268076A1 (en) | 2017-09-21 |
EP3191612A1 (en) | 2017-07-19 |
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