BRPI0517890A - método de produção de chapas de aço austenìtico de ferro/carbono/manganês tendo resistência e caracterìsticas de alongamento muito altas e excelente homogeneidade - Google Patents
método de produção de chapas de aço austenìtico de ferro/carbono/manganês tendo resistência e caracterìsticas de alongamento muito altas e excelente homogeneidadeInfo
- Publication number
- BRPI0517890A BRPI0517890A BRPI0517890-8A BRPI0517890A BRPI0517890A BR PI0517890 A BRPI0517890 A BR PI0517890A BR PI0517890 A BRPI0517890 A BR PI0517890A BR PI0517890 A BRPI0517890 A BR PI0517890A
- Authority
- BR
- Brazil
- Prior art keywords
- steel
- carbon
- iron
- mpa
- manganese steel
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- C22C38/02—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
- 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
-
- 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
Landscapes
- 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)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
MéTODO DE PRODUçãO DE CHAPAS DE AçO AUSTENITICO DE FERRO/CARBONOIMANGANêS TENDO RESISTêNCIA E CARACTERìSTICAS DE ALONGAMENTO MUITO ALTAS E EXCELENTE HOMOGENEIDADE. A presente invenção refere-se a uma chapa de aço austenítico ferro/carbono/manganês cuja resistência é maior que 1200 MPa, cujo produto P (resistência (em MPa) x alongamento na fratura (em %)) é maior que 65000 MPa% e cuja composição química nominal compreende, os teores sendo expressos em % em peso: 0,85% < C < 1 05%; 16% Mn 19%; Si 2%; AI 0,050%; 5 <0030%; P 0,050%; N 0,1%, e, opcionalmente, um ou mais elementos escolhidos entre: Cr 1%; Mo 0,40%; Ni 1%; Cu 5%; Ti 0,50%; Nb <0 50%; V 0,50%, o restante da composição consistindo em ferro e das inevitáveis impurezas resultantes da fusão, a fração de superfície recristalizada do mencionado aço sendo igual a 100%, a fração de superfície dos carbonetos precipitados do mencionado aço sendo igual a 0% e o tamanho médio de grão do aço sendo menor ou igual a 10 mícrons.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0412477 | 2004-11-24 | ||
FR0412477A FR2878257B1 (fr) | 2004-11-24 | 2004-11-24 | Procede de fabrication de toles d'acier austenitique, fer-carbone-manganese a tres hautes caracteristiques de resistance et d'allongement, et excellente homogeneite |
PCT/FR2005/002740 WO2006056670A2 (fr) | 2004-11-24 | 2005-11-04 | Procede de fabrication de toles d'acier austenitique, fer-carbone-manganese a tres hautes caracteristiques de resistance et d'allongement, et excellente homogeneite |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0517890A true BRPI0517890A (pt) | 2008-10-21 |
BRPI0517890B1 BRPI0517890B1 (pt) | 2014-12-23 |
Family
ID=34978651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0517890-8A BRPI0517890B1 (pt) | 2004-11-24 | 2005-11-04 | Chapa de aço austenítico de Ferro/Carbono/Manganês, seu processo de fabricação e seu uso |
Country Status (16)
Country | Link |
---|---|
US (1) | US7794552B2 (pt) |
EP (1) | EP1819461B1 (pt) |
JP (2) | JP5142101B2 (pt) |
KR (3) | KR20070091300A (pt) |
CN (1) | CN101090982B (pt) |
BR (1) | BRPI0517890B1 (pt) |
CA (1) | CA2587858C (pt) |
ES (1) | ES2791675T3 (pt) |
FR (1) | FR2878257B1 (pt) |
HU (1) | HUE050022T2 (pt) |
MX (1) | MX2007006240A (pt) |
PL (1) | PL1819461T3 (pt) |
RU (1) | RU2366727C2 (pt) |
UA (1) | UA90873C2 (pt) |
WO (1) | WO2006056670A2 (pt) |
ZA (1) | ZA200703890B (pt) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100742823B1 (ko) * | 2005-12-26 | 2007-07-25 | 주식회사 포스코 | 표면품질 및 도금성이 우수한 고망간 강판 및 이를 이용한도금강판 및 그 제조방법 |
EP1878811A1 (en) | 2006-07-11 | 2008-01-16 | ARCELOR France | Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
US20100253006A1 (en) * | 2007-11-30 | 2010-10-07 | Nippon Piston Ring Co., Ltd | Steel products for piston rings and piston rings |
DE102008005605A1 (de) * | 2008-01-22 | 2009-07-23 | Thyssenkrupp Steel Ag | Verfahren zum Beschichten eines 6 - 30 Gew. % Mn enthaltenden warm- oder kaltgewalzten Stahlflachprodukts mit einer metallischen Schutzschicht |
JP5338257B2 (ja) * | 2008-10-30 | 2013-11-13 | Jfeスチール株式会社 | 延性に優れた高降伏比超高張力鋼板およびその製造方法 |
DE102008056844A1 (de) * | 2008-11-12 | 2010-06-02 | Voestalpine Stahl Gmbh | Manganstahlband und Verfahren zur Herstellung desselben |
KR101090822B1 (ko) * | 2009-04-14 | 2011-12-08 | 기아자동차주식회사 | 고강도 트윕 강판 및 그 제조방법 |
US20120045358A1 (en) * | 2009-04-28 | 2012-02-23 | Hyundai Steel Company | High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing the same |
US8182963B2 (en) * | 2009-07-10 | 2012-05-22 | GM Global Technology Operations LLC | Low-cost manganese-stabilized austenitic stainless steel alloys, bipolar plates comprising the alloys, and fuel cell systems comprising the bipolar plates |
DE102009053260B4 (de) * | 2009-11-05 | 2011-09-01 | Salzgitter Flachstahl Gmbh | Verfahren zum Beschichten von Stahlbändern und beschichtetes Stahlband |
WO2012052626A1 (fr) | 2010-10-21 | 2012-04-26 | Arcelormittal Investigacion Y Desarrollo, S.L. | Tole d'acier laminee a chaud ou a froid, don procede de fabrication et son utilisation dans l'industrie automobile |
IT1403129B1 (it) * | 2010-12-07 | 2013-10-04 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di acciaio ad alto manganese con resistenza meccanica e formabilità elevate, ed acciaio così ottenibile. |
DE102011000089A1 (de) | 2011-01-11 | 2012-07-12 | Thyssenkrupp Steel Europe Ag | Verfahren zum Herstellen eines warmgewalzten Stahlflachprodukts |
JP6078554B2 (ja) * | 2011-12-27 | 2017-02-08 | ポスコPosco | 被削性及び溶接熱影響部における極低温靱性に優れたオーステナイト系鋼材及びその製造方法 |
CN104204262B (zh) * | 2011-12-28 | 2018-02-02 | Posco公司 | 具有优异的机械加工性及延展性的耐磨奥氏体钢及其生产方法 |
WO2013100612A1 (ko) | 2011-12-28 | 2013-07-04 | 주식회사 포스코 | 피삭성 및 용접 열영향부 인성이 우수한 내마모 오스테나이트계 강재 및 그의 제조방법 |
KR101449111B1 (ko) * | 2012-08-09 | 2014-10-08 | 주식회사 포스코 | 강도와 연성이 우수한 강선재 및 그 제조방법 |
US10041156B2 (en) * | 2012-12-26 | 2018-08-07 | Posco | High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor |
JP6055343B2 (ja) * | 2013-03-13 | 2016-12-27 | 株式会社神戸製鋼所 | 低温曲げ加工性に優れた非磁性鋼およびその製造方法 |
US20140261918A1 (en) * | 2013-03-15 | 2014-09-18 | Exxonmobil Research And Engineering Company | Enhanced wear resistant steel and methods of making the same |
JP6185865B2 (ja) * | 2013-03-21 | 2017-08-23 | 株式会社神戸製鋼所 | 低温曲げ加工性に優れた非磁性鋼およびその製造方法 |
JP6154768B2 (ja) * | 2013-03-21 | 2017-06-28 | 株式会社神戸製鋼所 | 低温曲げ加工性に優れた非磁性鋼 |
CN103484777B (zh) * | 2013-08-29 | 2015-06-03 | 日月重工股份有限公司 | 奥氏体锰钢及其制备方法 |
KR101543916B1 (ko) * | 2013-12-25 | 2015-08-11 | 주식회사 포스코 | 표면 가공 품질이 우수한 저온용강 및 그 제조 방법 |
KR101714922B1 (ko) * | 2015-12-18 | 2017-03-10 | 주식회사 포스코 | 인성 및 내부품질이 우수한 내마모 강재 및 그 제조방법 |
KR101889187B1 (ko) * | 2015-12-23 | 2018-08-16 | 주식회사 포스코 | 열간 가공성이 우수한 비자성 강재 및 그 제조방법 |
KR101747034B1 (ko) * | 2016-04-28 | 2017-06-14 | 주식회사 포스코 | 항복비가 우수한 초고강도 고연성 강판 및 이의 제조방법 |
WO2017203311A1 (en) * | 2016-05-24 | 2017-11-30 | Arcelormittal | Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts |
WO2017203312A1 (en) * | 2016-05-24 | 2017-11-30 | Arcelormittal | Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts |
WO2017203341A1 (en) * | 2016-05-24 | 2017-11-30 | Arcelormittal | Method for the manufacture of twip steel sheet having an austenitic matrix |
WO2017203313A1 (en) * | 2016-05-24 | 2017-11-30 | Arcelormittal | Method for the manufacture of a recovered steel sheet having an austenitic matrix |
WO2017203315A1 (en) | 2016-05-24 | 2017-11-30 | Arcelormittal | Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts |
KR101940874B1 (ko) * | 2016-12-22 | 2019-01-21 | 주식회사 포스코 | 저온인성 및 항복강도가 우수한 고 망간 강 및 제조 방법 |
KR101917473B1 (ko) | 2016-12-23 | 2018-11-09 | 주식회사 포스코 | 내마모성과 인성이 우수한 오스테나이트계 강재 및 그 제조방법 |
KR101920973B1 (ko) * | 2016-12-23 | 2018-11-21 | 주식회사 포스코 | 표면 특성이 우수한 오스테나이트계 강재 및 그 제조방법 |
WO2018220412A1 (fr) * | 2017-06-01 | 2018-12-06 | Arcelormittal | Procede de fabrication de pieces d'acier a haute resistance mecanique et ductilite amelioree, et pieces obtenues par ce procede |
KR102020381B1 (ko) * | 2017-12-22 | 2019-09-10 | 주식회사 포스코 | 내마모성이 우수한 강재 및 그 제조방법 |
KR102020386B1 (ko) * | 2017-12-24 | 2019-09-10 | 주식회사 포스코 | 고 강도 오스테나이트계 고 망간 강재 및 그 제조방법 |
CN109487047B (zh) * | 2018-12-21 | 2020-08-11 | 昆明理工大学 | 一种提高合金化高锰钢铸件性能的方法 |
CN112342352B (zh) * | 2020-10-22 | 2022-07-01 | 西安工程大学 | 一种耐腐蚀的高锰奥氏体钢板及其制备方法 |
WO2023233186A1 (en) * | 2022-06-02 | 2023-12-07 | Arcelormittal | High manganese hot rolled steel and a method of production thereof |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2378994A (en) * | 1942-07-22 | 1945-06-26 | Electro Metallurg Co | Cold rolled manganese steels |
FR2068283A6 (en) * | 1970-09-30 | 1971-08-20 | Abex Corp | Austenitic manganese steel for welding steel joints |
JPS58126956A (ja) * | 1982-01-22 | 1983-07-28 | Nippon Steel Corp | プレス加工性の優れた高強度薄鋼板 |
JPS6058781B2 (ja) * | 1982-02-12 | 1985-12-21 | 株式会社クボタ | 連続鋳造電磁撓拌ロ−ル用非磁性合金 |
JP2533935B2 (ja) * | 1989-06-10 | 1996-09-11 | 株式会社神戸製鋼所 | 耐SR脆化特性が優れ、且つ高強度、高靭性を有する高Mn非磁性鋼の製造方法 |
JPH0717949B2 (ja) * | 1990-10-05 | 1995-03-01 | 株式会社神戸製鋼所 | 局部変形能に優れた高Mn非磁性鋼の製造方法 |
JPH04247851A (ja) * | 1991-01-22 | 1992-09-03 | Kobe Steel Ltd | 高Mnオーステナイト鋼 |
JPH04259325A (ja) * | 1991-02-13 | 1992-09-14 | Sumitomo Metal Ind Ltd | 加工性に優れた高強度熱延鋼板の製造方法 |
JP2807566B2 (ja) * | 1991-12-30 | 1998-10-08 | ポハン アイアン アンド スチール カンパニー リミテッド | 優れた成形性、強度および溶接性を有するオーステナイト高マンガン鋼、並びにその製造方法 |
JP4247851B2 (ja) | 1999-01-12 | 2009-04-02 | 石川島運搬機械株式会社 | クライミングクレーンの使用方法 |
JP4143218B2 (ja) | 1999-04-23 | 2008-09-03 | 株式会社日本触媒 | 薄膜式蒸発装置における重合防止方法および薄膜式蒸発装置 |
FR2796083B1 (fr) * | 1999-07-07 | 2001-08-31 | Usinor | Procede de fabrication de bandes en alliage fer-carbone-manganese, et bandes ainsi produites |
DE10060948C2 (de) * | 2000-12-06 | 2003-07-31 | Thyssenkrupp Stahl Ag | Verfahren zum Erzeugen eines Warmbandes aus einem einen hohen Mangan-Gehalt aufweisenden Stahl |
FR2829775B1 (fr) * | 2001-09-20 | 2003-12-26 | Usinor | Procede de fabrication de tubes roules et soudes comportant une etape finale d'etirage ou d'hydroformage et tube soude ainsi obtenu |
KR100742823B1 (ko) * | 2005-12-26 | 2007-07-25 | 주식회사 포스코 | 표면품질 및 도금성이 우수한 고망간 강판 및 이를 이용한도금강판 및 그 제조방법 |
KR100851158B1 (ko) * | 2006-12-27 | 2008-08-08 | 주식회사 포스코 | 충돌특성이 우수한 고망간형 고강도 강판 및 그 제조방법 |
-
2004
- 2004-11-24 FR FR0412477A patent/FR2878257B1/fr active Active
-
2005
- 2005-11-04 RU RU2007123594/02A patent/RU2366727C2/ru active
- 2005-11-04 BR BRPI0517890-8A patent/BRPI0517890B1/pt active IP Right Grant
- 2005-11-04 US US11/720,018 patent/US7794552B2/en active Active
- 2005-11-04 ES ES05814950T patent/ES2791675T3/es active Active
- 2005-11-04 MX MX2007006240A patent/MX2007006240A/es active IP Right Grant
- 2005-11-04 UA UAA200707030A patent/UA90873C2/ru unknown
- 2005-11-04 CA CA2587858A patent/CA2587858C/fr active Active
- 2005-11-04 KR KR1020077014265A patent/KR20070091300A/ko active Search and Examination
- 2005-11-04 CN CN2005800426319A patent/CN101090982B/zh active Active
- 2005-11-04 PL PL05814950T patent/PL1819461T3/pl unknown
- 2005-11-04 JP JP2007542029A patent/JP5142101B2/ja active Active
- 2005-11-04 WO PCT/FR2005/002740 patent/WO2006056670A2/fr active Application Filing
- 2005-11-04 HU HUE05814950A patent/HUE050022T2/hu unknown
- 2005-11-04 KR KR1020107012508A patent/KR20100084570A/ko active Search and Examination
- 2005-11-04 EP EP05814950.1A patent/EP1819461B1/fr active Active
- 2005-11-04 KR KR1020117031699A patent/KR101275895B1/ko active IP Right Grant
-
2007
- 2007-05-14 ZA ZA200700380A patent/ZA200703890B/xx unknown
-
2011
- 2011-10-28 JP JP2011251070A patent/JP2012072499A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
MX2007006240A (es) | 2007-10-08 |
FR2878257A1 (fr) | 2006-05-26 |
EP1819461B1 (fr) | 2020-04-15 |
FR2878257B1 (fr) | 2007-01-12 |
CA2587858A1 (fr) | 2006-06-01 |
ZA200703890B (en) | 2008-05-28 |
HUE050022T2 (hu) | 2020-11-30 |
US20080035248A1 (en) | 2008-02-14 |
US7794552B2 (en) | 2010-09-14 |
PL1819461T3 (pl) | 2020-10-05 |
UA90873C2 (ru) | 2010-06-10 |
BRPI0517890B1 (pt) | 2014-12-23 |
KR20120014070A (ko) | 2012-02-15 |
WO2006056670A3 (fr) | 2007-07-05 |
WO2006056670A2 (fr) | 2006-06-01 |
JP2008520830A (ja) | 2008-06-19 |
RU2007123594A (ru) | 2008-12-27 |
KR20100084570A (ko) | 2010-07-26 |
EP1819461A2 (fr) | 2007-08-22 |
JP5142101B2 (ja) | 2013-02-13 |
JP2012072499A (ja) | 2012-04-12 |
KR101275895B1 (ko) | 2013-06-17 |
KR20070091300A (ko) | 2007-09-10 |
ES2791675T3 (es) | 2020-11-05 |
CN101090982B (zh) | 2010-09-08 |
CN101090982A (zh) | 2007-12-19 |
CA2587858C (fr) | 2011-10-25 |
RU2366727C2 (ru) | 2009-09-10 |
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