FI127274B - Korkean lujuuden omaava austeniittinen ruostumaton teräs ja sen tuotantomenetelmä - Google Patents
Korkean lujuuden omaava austeniittinen ruostumaton teräs ja sen tuotantomenetelmä Download PDFInfo
- Publication number
- FI127274B FI127274B FI20145735A FI20145735A FI127274B FI 127274 B FI127274 B FI 127274B FI 20145735 A FI20145735 A FI 20145735A FI 20145735 A FI20145735 A FI 20145735A FI 127274 B FI127274 B FI 127274B
- Authority
- FI
- Finland
- Prior art keywords
- austenitic stainless
- stainless steel
- steel
- niobium
- vanadium
- Prior art date
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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
-
- 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
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
-
- 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
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
-
- 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
- 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
Landscapes
- 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)
Claims (9)
1 Austeniittinen ruostumaton teräs, tunnettu siitä, että teräs sisältää paino%:na 0-0.4 % C, 0-3 % Si, 3-20 % Mn, 10-30 % Cr, 0-4.5 % Ni, 0-3 % Mo, 0-3
5 % Cu, 0.05-0.5 % N, 0-0.5 % Nb, 0-0.5 % Ti, 0-0.5 % V, lopun ollessa Fe ja väistämättömiä epäpuhtauksia, ja ainakin yhden ryhmästä, niobi (Nb), titaani (Ti) tai vanadiini (V), olevan alkuaineen pitoisuus on enemmän kuin 0.05 % niin, että niobin (Nb), titaanin (Ti) ja vanadiinin (V), kokonaismäärä on alueella 0.05 - 0.5 %, jotta raekoko kylmämuokatun tuotteen hehkutuksen jälkeen on
10 alempi kuin 10 mikrometriä ja ero teräksen myötölujuuksien välillä mitattuna poikittaissuunnassa ja pitkittäissuunnassa valssaussuuntaan nähden on alempi kuin 5 %.
2. Patenttivaatimuksen 1 mukainen austeniittinen ruostumaton teräs, tunnettu
15 siitä, että teräksen raekoko on alempi kuin 7 mikrometriä, ja mieluummin alempi kuin 5 mikrometriä.
3. Patenttivaatimuksen 1 tai 2 mukainen austeniittinen ruostumaton teräs, tunnettu siitä, että teräs sisältää mieluummin 0-1.5 % molybdeenia ja vielä
20 mieluummin 0 - 0.5 % molybdeenia.
4. Jonkin edellä olevan patenttivaatimuksen 1 - 3 mukainen austeniittinen ruostumaton teräs, tunnettu siitä, että teräs sisältää 0.05-0.30 % Nb, mieluummin 0.05-0.20 % Nb.
5. Jonkin edellä olevan patenttivaatimuksen 1 - 3 mukainen austeniittinen ruostumaton teräs, tunnettu siitä, että teräs sisältää 0.05-0.30 % Ti, mieluummin 0.05-0.20 % Ti.
20145735 prh 26 -08- 2015
6. Jonkin edellä olevan patenttivaatimuksen 1 - 3 mukainen austeniittinen ruostumaton teräs, tunnettu siitä, että teräs sisältää 0.05-0.30 % V, mieluummin 0.05-0.20 % V.
5
7. Menetelmä austeniittisen ruostumattoman teräksen tuottamiseksi, tunnettu siitä, että teräs sisältää 0-0.4 % C, 0-3 % Si, 3-20 % Mn, 10-30 % Cr, 0-4.5 % Ni, 0-3 % Mo, 0-3 % Cu, 0.05-0.5 % N, 0-0.5 % Nb, 0-0.5 % Ti, 0-0.5 % V, lopun ollessa Fe ja väistämättömiä epäpuhtauksia, ja ainakin yhden ryhmästä, niobi (Nb), titaani (Ti) tai vanadiini (V), olevan alkuaineen pitoisuus on
10 enemmän kuin 0.5 % niin, että niobin (Nb), titaanin (Ti) ja vanadiinin (V), kokonaismäärä on alueella 0.05 - 0.5 %, kylmämuokataan ennen hehkutusta ainakin muokkausasteella 50 % saavuttamaan hehkutuksen aikana pieni raekoko alempi kuin 10 mikrometriä ja ero teräksen myötölujuuksien välillä mitattuna poikittaissuunnassa ja pitkittäissuunnassa valssaussuuntaan nähden
15 on alempi kuin 5 %.
8. Patenttivaatimuksen 7 mukainen menetelmä, tunnettu siitä, että muokkauksen jälkeen teräs hehkutetaan lämpötila-alueella 700-1050 °C 1-200 sekuntia.
9. Patenttivaatimuksen 7 tai 8 mukainen menetelmä, tunnettu siitä, että muokkaus on kylmävalssaus.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20145735A FI127274B (fi) | 2014-08-21 | 2014-08-21 | Korkean lujuuden omaava austeniittinen ruostumaton teräs ja sen tuotantomenetelmä |
PCT/FI2015/050539 WO2016027009A1 (en) | 2014-08-21 | 2015-08-21 | High strength austenitic stainless steel and production method thereof |
JP2017510383A 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 |
EP15834538.9A EP3191612A4 (en) | 2014-08-21 | 2015-08-21 | High strength austenitic stainless steel and production method thereof |
CN201580044801.0A CN106574351A (zh) | 2014-08-21 | 2015-08-21 | 高强度奥氏体不锈钢及其制备方法 |
KR1020177004879A KR20170029631A (ko) | 2014-08-21 | 2015-08-21 | 고강도 오스테나이트계 스테인레스 강 및 그의 제조 방법 |
US15/505,505 US20170268076A1 (en) | 2014-08-21 | 2015-08-21 | High Strength Austenitic Stainless Steel and Production Method Thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20145735A FI127274B (fi) | 2014-08-21 | 2014-08-21 | Korkean lujuuden omaava austeniittinen ruostumaton teräs ja sen tuotantomenetelmä |
Publications (1)
Publication Number | Publication Date |
---|---|
FI127274B true FI127274B (fi) | 2018-02-28 |
Family
ID=55350237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20145735A FI127274B (fi) | 2014-08-21 | 2014-08-21 | Korkean lujuuden omaava austeniittinen ruostumaton teräs ja sen tuotantomenetelmä |
Country Status (7)
Country | Link |
---|---|
US (1) | US20170268076A1 (fi) |
EP (1) | EP3191612A4 (fi) |
JP (1) | JP2017531093A (fi) |
KR (1) | KR20170029631A (fi) |
CN (1) | CN106574351A (fi) |
FI (1) | FI127274B (fi) |
WO (1) | WO2016027009A1 (fi) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
HUE051081T2 (hu) * | 2017-02-10 | 2021-03-01 | Outokumpu Oy | Melegalakítással gyártott acél alkatrész, gyártási eljárás és az alkatrész felhasználása |
KR101952818B1 (ko) * | 2017-09-25 | 2019-02-28 | 주식회사포스코 | 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법 |
KR102021277B1 (ko) * | 2017-11-23 | 2019-09-16 | 한국기계연구원 | 기계적 특성 및 내식성이 우수한 탄질소 오스테나이트계 스테인리스강 |
KR102268906B1 (ko) * | 2019-07-17 | 2021-06-25 | 주식회사 포스코 | 강도가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법 |
KR102272785B1 (ko) * | 2019-10-29 | 2021-07-05 | 주식회사 포스코 | 항복비가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법 |
KR102326262B1 (ko) * | 2019-12-18 | 2021-11-15 | 주식회사 포스코 | 고항복비 고강도 오스테나이트계 스테인리스강 |
KR102403849B1 (ko) * | 2020-06-23 | 2022-05-30 | 주식회사 포스코 | 생산성 및 원가 절감 효과가 우수한 고강도 오스테나이트계 스테인리스강 및 이의 제조방법 |
CN112111691B (zh) * | 2020-08-12 | 2022-06-21 | 广西柳钢中金不锈钢有限公司 | 无铜节镍型冷轧奥氏体不锈钢的制造方法 |
KR102445585B1 (ko) * | 2020-09-18 | 2022-09-21 | 한국과학기술원 | 탄탈륨 함유 저방사화 오스테나이트계 스테인리스강 및 이의 제조방법 |
CN112281083A (zh) * | 2020-10-30 | 2021-01-29 | 上海材料研究所 | 具有高热膨胀特性的高强度耐热合金钢及其制造方法 |
WO2022101278A1 (en) | 2020-11-13 | 2022-05-19 | Acerinox Europa, S.A.U. | Low ni content austenitic stainless steel with high strength / ductility properties |
CN113059153A (zh) * | 2021-03-22 | 2021-07-02 | 湖南大学 | 一种奥氏体不锈钢及其激光增材制备方法 |
KR20230091618A (ko) * | 2021-12-16 | 2023-06-23 | 주식회사 포스코 | 오스테나이트계 스테인리스 강 및 그 제조방법 |
KR20230166672A (ko) * | 2022-05-31 | 2023-12-07 | 주식회사 포스코 | 오스테나이트계 스테인리스강 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 |
CN115961216B (zh) * | 2023-02-15 | 2023-08-04 | 山东烟炉节能科技有限公司 | 海底输油输气管道及其制备方法 |
Family Cites Families (11)
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JPS6037182B2 (ja) * | 1977-03-24 | 1985-08-24 | 日本冶金工業株式会社 | 耐食性にすぐれた高強度オ−ステナイトステンレス鋼 |
JPH05117813A (ja) * | 1991-04-18 | 1993-05-14 | Nisshin Steel Co Ltd | 成形加工性および疲労特性に優れたメタルガスケツト用ステンレス鋼およびその製造方法 |
EP0694626A1 (en) * | 1994-07-26 | 1996-01-31 | Acerinox S.A. | Austenitic stainless steel with low nickel content |
JP2008038191A (ja) * | 2006-08-04 | 2008-02-21 | Nippon Metal Ind Co Ltd | オーステナイト系ステンレス鋼とその製造方法 |
JP5544633B2 (ja) * | 2007-07-30 | 2014-07-09 | 新日鐵住金ステンレス株式会社 | 衝撃吸収特性に優れた構造部材用オーステナイト系ステンレス鋼板 |
SE533635C2 (sv) * | 2009-01-30 | 2010-11-16 | Sandvik Intellectual Property | Austenitisk rostfri stållegering med låg nickelhalt, samt artikel därav |
JP5347600B2 (ja) * | 2009-03-16 | 2013-11-20 | 新日鐵住金株式会社 | オーステナイト系ステンレス鋼およびオーステナイト系ステンレス鋼板の製造方法 |
JP5597006B2 (ja) * | 2010-03-26 | 2014-10-01 | 新日鐵住金ステンレス株式会社 | 構造部材用高強度および高延性オーステナイト系ステンレス鋼板およびその製造方法 |
CN102337481B (zh) * | 2010-07-20 | 2013-11-13 | 宝山钢铁股份有限公司 | 一种耐蚀性优良的含钼节镍奥氏体不锈钢及其制造方法 |
JP6056132B2 (ja) * | 2010-11-25 | 2017-01-11 | Jfeスチール株式会社 | 燃料タンク用オーステナイト・フェライト系二相ステンレス鋼 |
JP2014001422A (ja) * | 2012-06-18 | 2014-01-09 | Nippon Steel & Sumitomo Metal | オーステナイト系ステンレス鋼板およびその製造方法 |
-
2014
- 2014-08-21 FI FI20145735A patent/FI127274B/fi not_active IP Right Cessation
-
2015
- 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
- 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 JP JP2017510383A patent/JP2017531093A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20170268076A1 (en) | 2017-09-21 |
CN106574351A (zh) | 2017-04-19 |
EP3191612A4 (en) | 2018-01-24 |
WO2016027009A1 (en) | 2016-02-25 |
KR20170029631A (ko) | 2017-03-15 |
JP2017531093A (ja) | 2017-10-19 |
EP3191612A1 (en) | 2017-07-19 |
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