EP3901303A4 - Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication - Google Patents
Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication Download PDFInfo
- Publication number
- EP3901303A4 EP3901303A4 EP20749360.2A EP20749360A EP3901303A4 EP 3901303 A4 EP3901303 A4 EP 3901303A4 EP 20749360 A EP20749360 A EP 20749360A EP 3901303 A4 EP3901303 A4 EP 3901303A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel sheet
- rolled steel
- manufacturing same
- carbon hot
- hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- 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
- C21D8/0247—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
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—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
- C22C38/44—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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2211/003—Cementite
-
- 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
-
- 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
- C21D2211/009—Pearlite
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019013957 | 2019-01-30 | ||
PCT/JP2020/000783 WO2020158357A1 (fr) | 2019-01-30 | 2020-01-14 | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3901303A1 EP3901303A1 (fr) | 2021-10-27 |
EP3901303A4 true EP3901303A4 (fr) | 2021-11-03 |
Family
ID=71842205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20749360.2A Pending EP3901303A4 (fr) | 2019-01-30 | 2020-01-14 | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220170126A1 (fr) |
EP (1) | EP3901303A4 (fr) |
JP (1) | JP6927427B2 (fr) |
KR (1) | KR102570145B1 (fr) |
CN (1) | CN113366137B (fr) |
TW (1) | TWI738186B (fr) |
WO (1) | WO2020158357A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7444097B2 (ja) | 2021-02-10 | 2024-03-06 | Jfeスチール株式会社 | 熱延鋼板およびその製造方法 |
WO2022210761A1 (fr) * | 2021-03-31 | 2022-10-06 | Jfeスチール株式会社 | Tôle d'acier laminée à froid et procédé de fabrication de tôle d'acier laminée à froid |
CN115181905B (zh) * | 2022-06-23 | 2023-09-15 | 首钢集团有限公司 | 一种齿轮用钢及其生产方法 |
CN115418567B (zh) * | 2022-08-31 | 2024-01-19 | 马鞍山钢铁股份有限公司 | 一种Nb-Ti-B微合金化耐高温、低内氧化渗碳齿轮钢及其制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010106748A1 (fr) * | 2009-03-16 | 2010-09-23 | 新日本製鐵株式会社 | Tôle d'acier contenant du bore et présentant une excellente trempabilité et procédé de fabrication associé |
EP3020843A1 (fr) * | 2013-07-09 | 2016-05-18 | JFE Steel Corporation | Tôle d'acier à haute teneur en carbone, laminée à chaud, et son procédé de production |
EP3020839A1 (fr) * | 2013-07-09 | 2016-05-18 | JFE Steel Corporation | Tôle d'acier laminée à chaud à teneur élevée en carbone et procédé de production de cette dernière |
EP3091098A1 (fr) * | 2014-03-28 | 2016-11-09 | JFE Steel Corporation | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de production |
EP3091097A1 (fr) * | 2014-03-28 | 2016-11-09 | JFE Steel Corporation | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de production |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5458649U (fr) | 1977-09-30 | 1979-04-23 | ||
JPS5788967A (en) | 1980-11-21 | 1982-06-03 | Showa Alum Corp | Formation of porous layer on metallic surface |
JP4057930B2 (ja) * | 2003-02-21 | 2008-03-05 | 新日本製鐵株式会社 | 冷間加工性に優れた機械構造用鋼及びその製造方法 |
JP4012475B2 (ja) | 2003-02-21 | 2007-11-21 | 新日本製鐵株式会社 | 冷間加工性と低脱炭性に優れた機械構造用鋼及びその製造方法 |
US20050199322A1 (en) * | 2004-03-10 | 2005-09-15 | Jfe Steel Corporation | High carbon hot-rolled steel sheet and method for manufacturing the same |
JP4332072B2 (ja) | 2004-06-07 | 2009-09-16 | 新日本製鐵株式会社 | 加工性と焼き入れ性に優れた高炭素鋼板 |
JP5458649B2 (ja) | 2009-04-28 | 2014-04-02 | Jfeスチール株式会社 | 高炭素熱延鋼板およびその製造方法 |
JP5280324B2 (ja) | 2009-09-08 | 2013-09-04 | 日新製鋼株式会社 | 精密打抜き用高炭素鋼板 |
KR20140110994A (ko) * | 2012-01-05 | 2014-09-17 | 제이에프이 스틸 가부시키가이샤 | 고탄소 열연 강판 및 그 제조 방법 |
JP6244701B2 (ja) | 2013-07-09 | 2017-12-13 | Jfeスチール株式会社 | 焼入れ性および加工性に優れる高炭素熱延鋼板およびその製造方法 |
MX2017014938A (es) * | 2015-05-26 | 2018-04-13 | Nippon Steel & Sumitomo Metal Corp | Lamina de acero y metodo de produccion de la misma. |
MX2017015016A (es) * | 2015-05-26 | 2018-04-13 | Nippon Steel & Sumitomo Metal Corp | Placa de acero y metodo de produccion de la misma. |
US20180171445A1 (en) * | 2015-06-17 | 2018-06-21 | Nippon Steel & Sumitomo Metal Corporation | Steel plate and method of production of same |
JPWO2019131099A1 (ja) * | 2017-12-25 | 2019-12-26 | Jfeスチール株式会社 | 熱延鋼板およびその製造方法 |
-
2020
- 2020-01-14 CN CN202080011346.5A patent/CN113366137B/zh active Active
- 2020-01-14 EP EP20749360.2A patent/EP3901303A4/fr active Pending
- 2020-01-14 US US17/425,824 patent/US20220170126A1/en active Pending
- 2020-01-14 KR KR1020217023358A patent/KR102570145B1/ko active IP Right Grant
- 2020-01-14 WO PCT/JP2020/000783 patent/WO2020158357A1/fr unknown
- 2020-01-14 JP JP2020520327A patent/JP6927427B2/ja active Active
- 2020-01-21 TW TW109102134A patent/TWI738186B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010106748A1 (fr) * | 2009-03-16 | 2010-09-23 | 新日本製鐵株式会社 | Tôle d'acier contenant du bore et présentant une excellente trempabilité et procédé de fabrication associé |
EP3020843A1 (fr) * | 2013-07-09 | 2016-05-18 | JFE Steel Corporation | Tôle d'acier à haute teneur en carbone, laminée à chaud, et son procédé de production |
EP3020839A1 (fr) * | 2013-07-09 | 2016-05-18 | JFE Steel Corporation | Tôle d'acier laminée à chaud à teneur élevée en carbone et procédé de production de cette dernière |
EP3091098A1 (fr) * | 2014-03-28 | 2016-11-09 | JFE Steel Corporation | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de production |
EP3091097A1 (fr) * | 2014-03-28 | 2016-11-09 | JFE Steel Corporation | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de production |
Also Published As
Publication number | Publication date |
---|---|
EP3901303A1 (fr) | 2021-10-27 |
JP6927427B2 (ja) | 2021-08-25 |
TWI738186B (zh) | 2021-09-01 |
CN113366137A (zh) | 2021-09-07 |
KR20210105417A (ko) | 2021-08-26 |
JPWO2020158357A1 (ja) | 2021-02-18 |
TW202031912A (zh) | 2020-09-01 |
CN113366137B (zh) | 2022-10-28 |
US20220170126A1 (en) | 2022-06-02 |
WO2020158357A1 (fr) | 2020-08-06 |
KR102570145B1 (ko) | 2023-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4006190A4 (fr) | Feuille d'acier de haute résistance et procédé de fabrication de celle-ci | |
EP3650569A4 (fr) | Tôle d'acier laminée à chaud et son procédé de fabrication | |
EP3770292A4 (fr) | Tôle d'acier laminée à froid à ténacité élevée et son procédé de fabrication | |
EP3778974A4 (fr) | Tôle d'acier à haute résistance et son procédé de fabrication | |
EP3967779A4 (fr) | Feuille d'acier et procédé pour la fabriquer | |
EP3868903A4 (fr) | Tôle d'acier laminée à chaud et procédé pour la fabrication de celle-ci | |
EP3901303A4 (fr) | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication | |
EP3831972A4 (fr) | Tôle d'acier laminée à chaud à haute résistance et son procédé de fabrication | |
EP3778973A4 (fr) | Tôle d'acier à résistance élevée et procédé de fabrication de ladite tôle d'acier | |
EP4012055A4 (fr) | Feuille d'acier mince à haute résistance et son procédé de fabrication | |
EP3868904A4 (fr) | Tôle d'acier laminée à chaud et son procédé de fabrication | |
EP4043595A4 (fr) | Feuille d'acier laminée à froid et son procédé de fabrication | |
EP4043596A4 (fr) | Tôle d'acier et son procédé de fabrication | |
EP3922745A4 (fr) | Tôle d'acier galvanisée par immersion à chaud et son procédé de fabrication | |
EP3971308A4 (fr) | Élément à haute résistance, procédé de fabrication d'un élément à haute résistance et procédé de fabrication d'une tôle en acier pour élément à haute résistance | |
EP3954790A4 (fr) | Tôle d'acier et son procédé de fabrication | |
EP3910083A4 (fr) | Tôle d'acier et procédé pour la fabriquer | |
EP3889283A4 (fr) | Tôle d'acier haute résistance et procédé de fabrication de celle-ci | |
EP3929315A4 (fr) | Tôle d'acier laminée à chaud et son procédé de fabrication | |
EP3822382A4 (fr) | Tôle d'acier à haute résistance et procédé pour la fabriquer | |
EP3926057A4 (fr) | Acier à haute teneur en mn et procédé de fabrication d'un tel acier | |
EP3748030A4 (fr) | Tôle d'acier laminée à chaud à haute teneur en carbone et son procédé de fabrication | |
EP3910087A4 (fr) | Tôle d'acier laminée à froid à résistance élevée et procédé pour sa production | |
EP3954792A4 (fr) | Tôle d'acier et son procédé de production | |
EP3922744A4 (fr) | Tôle d'acier revêtue de zinc par immersion à chaud et son procédé de fabrication |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210720 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20211001 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 6/00 20060101ALI20210927BHEP Ipc: C22C 38/32 20060101ALI20210927BHEP Ipc: C22C 38/06 20060101ALI20210927BHEP Ipc: C22C 38/04 20060101ALI20210927BHEP Ipc: C22C 38/02 20060101ALI20210927BHEP Ipc: C21D 8/02 20060101ALI20210927BHEP Ipc: C22C 38/60 20060101ALI20210927BHEP Ipc: C21D 9/46 20060101ALI20210927BHEP Ipc: C22C 38/00 20060101AFI20210927BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |