EP3508602A4 - Austenitic stainless steel - Google Patents
Austenitic stainless steel Download PDFInfo
- Publication number
- EP3508602A4 EP3508602A4 EP17846569.6A EP17846569A EP3508602A4 EP 3508602 A4 EP3508602 A4 EP 3508602A4 EP 17846569 A EP17846569 A EP 17846569A EP 3508602 A4 EP3508602 A4 EP 3508602A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- austenitic stainless
- austenitic
- steel
- stainless
- 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
- 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
- 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
- C21D6/02—Hardening by precipitation
-
- 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
- C21D8/0221—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
- 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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/40—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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- 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 Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016168596 | 2016-08-30 | ||
PCT/JP2017/031157 WO2018043565A1 (en) | 2016-08-30 | 2017-08-30 | Austenitic stainless steel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3508602A1 EP3508602A1 (en) | 2019-07-10 |
EP3508602A4 true EP3508602A4 (en) | 2020-04-01 |
Family
ID=61300959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17846569.6A Pending EP3508602A4 (en) | 2016-08-30 | 2017-08-30 | Austenitic stainless steel |
Country Status (8)
Country | Link |
---|---|
US (1) | US20190194787A1 (en) |
EP (1) | EP3508602A4 (en) |
JP (1) | JP6904359B2 (en) |
KR (1) | KR102223549B1 (en) |
CN (1) | CN109642291B (en) |
CA (1) | CA3035162C (en) |
SG (1) | SG11201901278XA (en) |
WO (1) | WO2018043565A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108884540B (en) * | 2016-04-06 | 2020-11-03 | 日本制铁株式会社 | Austenitic stainless steel and method for producing same |
US11634804B2 (en) * | 2018-02-28 | 2023-04-25 | Nippon Steel Corporation | Austenitic stainless steel weld joint |
CN108660373A (en) * | 2018-05-11 | 2018-10-16 | 上海申江锻造有限公司 | A kind of manufacturing method of high intensity austenitic stainless steel impeller axle |
CN109628852A (en) * | 2019-01-26 | 2019-04-16 | 温州博力浩实业有限公司 | A kind of corrosion-resistant bolt and its method for anticorrosion treatment |
US20220259688A1 (en) * | 2019-07-25 | 2022-08-18 | Nippon Steel Corporation | Austenitic stainless steel material and welded joint |
JP7277752B2 (en) * | 2019-07-25 | 2023-05-19 | 日本製鉄株式会社 | Austenitic stainless steel material |
JP7339526B2 (en) * | 2019-10-24 | 2023-09-06 | 日本製鉄株式会社 | Austenitic stainless steel |
KR20220124238A (en) | 2020-01-10 | 2022-09-13 | 닛폰세이테츠 가부시키가이샤 | austenitic stainless steel |
JP7464817B2 (en) * | 2020-01-21 | 2024-04-10 | 日本製鉄株式会社 | Austenitic stainless steel |
WO2022080374A1 (en) * | 2020-10-13 | 2022-04-21 | 日鉄ケミカル&マテリアル株式会社 | Austenitic stainless steel foil |
KR20230098875A (en) * | 2020-12-10 | 2023-07-04 | 가부시키가이샤 프로테리아루 | Manufacturing method of austenitic stainless steel strip |
KR20240015102A (en) * | 2021-05-31 | 2024-02-02 | 닛폰세이테츠 가부시키가이샤 | Austenitic stainless steel and steel pipe |
CN115612940B (en) * | 2022-09-15 | 2023-10-24 | 攀钢集团攀枝花钢铁研究院有限公司 | High-temperature corrosion-resistant stainless steel and smelting method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0550288A (en) * | 1991-08-22 | 1993-03-02 | Nippon Steel Corp | Austenitic stainless steel welding material having excellent creep rupture characteristic and embrittlement resistance |
JPH10225792A (en) * | 1997-02-13 | 1998-08-25 | Nippon Steel Corp | Tig welding material for austenitic heat resistant steel excellent in high temperature strength |
JPH11285889A (en) * | 1998-04-01 | 1999-10-19 | Nippon Steel Corp | Tig welding material superior in high temperature creep strength and post aging toughness for austenitic heat resisting steel |
CN101845605A (en) * | 2009-03-24 | 2010-09-29 | 宝山钢铁股份有限公司 | Austenitic stainless steel plate with excellent strength at medium and low temperature and manufacturing method thereof |
JP2012001749A (en) * | 2010-06-15 | 2012-01-05 | Sanyo Special Steel Co Ltd | High strength austenitic heat-resistant steel |
US20150010425A1 (en) * | 2007-10-04 | 2015-01-08 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel |
US20150337422A1 (en) * | 2007-12-20 | 2015-11-26 | Ati Properties, Inc. | Lean austenitic stainless steel containing stabilizing elements |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3346887B2 (en) * | 1994-04-20 | 2002-11-18 | 新日本製鐵株式会社 | Covered arc welding rod for high nitrogen austenitic stainless steel |
JP2003166039A (en) | 2001-04-25 | 2003-06-13 | Nippon Steel Corp | Heat resistant austenitic steel excellent in characteristics for sensitization, high-temperature strength and corrosion resistance, and manufacturing method therefor |
EP1645649B1 (en) * | 2003-06-10 | 2014-07-30 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel for hydrogen gas and method for production thereof |
EP2199420B1 (en) * | 2007-10-04 | 2013-05-22 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel |
US8865060B2 (en) * | 2007-10-04 | 2014-10-21 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel |
JP2009161802A (en) * | 2007-12-28 | 2009-07-23 | Hitachi-Ge Nuclear Energy Ltd | Highly corrosion-resistant austenitic stainless steel, nuclear power generation plant constructed by using the stainless steel, weld joint and structural member |
KR101529809B1 (en) * | 2011-03-31 | 2015-06-17 | 유오피 엘엘씨 | Process for treating hydrocarbon streams |
JP5029788B1 (en) * | 2011-11-18 | 2012-09-19 | 住友金属工業株式会社 | Austenitic stainless steel |
JP5880310B2 (en) * | 2012-06-25 | 2016-03-09 | 新日鐵住金株式会社 | Austenitic stainless steel |
JP2015055005A (en) * | 2013-09-13 | 2015-03-23 | 日立Geニュークリア・エナジー株式会社 | Austenite stainless steel and radioactive waste liquid treatment equipment using the same |
JP6225598B2 (en) * | 2013-09-24 | 2017-11-08 | 新日鐵住金株式会社 | Austenitic stainless steel welding material |
-
2017
- 2017-08-30 CA CA3035162A patent/CA3035162C/en active Active
- 2017-08-30 EP EP17846569.6A patent/EP3508602A4/en active Pending
- 2017-08-30 US US16/328,755 patent/US20190194787A1/en active Pending
- 2017-08-30 WO PCT/JP2017/031157 patent/WO2018043565A1/en unknown
- 2017-08-30 SG SG11201901278XA patent/SG11201901278XA/en unknown
- 2017-08-30 CN CN201780052637.7A patent/CN109642291B/en active Active
- 2017-08-30 KR KR1020197008697A patent/KR102223549B1/en active IP Right Grant
- 2017-08-30 JP JP2018537347A patent/JP6904359B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0550288A (en) * | 1991-08-22 | 1993-03-02 | Nippon Steel Corp | Austenitic stainless steel welding material having excellent creep rupture characteristic and embrittlement resistance |
JPH10225792A (en) * | 1997-02-13 | 1998-08-25 | Nippon Steel Corp | Tig welding material for austenitic heat resistant steel excellent in high temperature strength |
JPH11285889A (en) * | 1998-04-01 | 1999-10-19 | Nippon Steel Corp | Tig welding material superior in high temperature creep strength and post aging toughness for austenitic heat resisting steel |
US20150010425A1 (en) * | 2007-10-04 | 2015-01-08 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel |
US20150337422A1 (en) * | 2007-12-20 | 2015-11-26 | Ati Properties, Inc. | Lean austenitic stainless steel containing stabilizing elements |
CN101845605A (en) * | 2009-03-24 | 2010-09-29 | 宝山钢铁股份有限公司 | Austenitic stainless steel plate with excellent strength at medium and low temperature and manufacturing method thereof |
JP2012001749A (en) * | 2010-06-15 | 2012-01-05 | Sanyo Special Steel Co Ltd | High strength austenitic heat-resistant steel |
Non-Patent Citations (1)
Title |
---|
See also references of WO2018043565A1 * |
Also Published As
Publication number | Publication date |
---|---|
SG11201901278XA (en) | 2019-03-28 |
US20190194787A1 (en) | 2019-06-27 |
CA3035162C (en) | 2021-12-14 |
CN109642291A (en) | 2019-04-16 |
JPWO2018043565A1 (en) | 2019-06-24 |
CN109642291B (en) | 2021-07-06 |
EP3508602A1 (en) | 2019-07-10 |
JP6904359B2 (en) | 2021-07-14 |
KR20190042675A (en) | 2019-04-24 |
CA3035162A1 (en) | 2018-03-08 |
WO2018043565A1 (en) | 2018-03-08 |
KR102223549B1 (en) | 2021-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3508602A4 (en) | Austenitic stainless steel | |
EP3239341A4 (en) | Austenitic stainless steel having excellent flexibility | |
EP3214194A4 (en) | Austenitic stainless steel and manufacturing method therefor | |
EP3508598A4 (en) | Ferritic stainless steel | |
EP3604591A4 (en) | Martensitic stainless steel material | |
EP3309274A4 (en) | HIGH-Cr AUSTENITIC STAINLESS STEEL | |
EP3508597A4 (en) | Ferritic stainless steel | |
EP3133179B8 (en) | Austenitic stainless steel and method for producing same | |
EP3441495A4 (en) | Austenitic stainless steel material | |
ZA201606617B (en) | Austenitic stainless steel | |
EP3484634A4 (en) | Methods for forming stainless steel parts | |
EP3178958A4 (en) | Austenitic stainless steel | |
SG11201701799RA (en) | Austenitic stainless steel sheet | |
EP3604589A4 (en) | Ferritic stainless steel | |
EP3530769A4 (en) | Martensitic stainless steel sheet | |
EP3480330A4 (en) | Austenitic stainless steel | |
EP3438310A4 (en) | Ferritic stainless steel sheet | |
SG11201702136YA (en) | Austenitic stainless steel sheet and method for manufacturing the same | |
PL3322830T3 (en) | Martensitic stainless steel | |
EP3287536A4 (en) | Martensitic stainless steel | |
EP3276029A4 (en) | Stainless steel having excellent brazeability | |
EP3159423A4 (en) | Cold-rolled ferritic stainless steel sheet | |
EP3339462A4 (en) | Austenitic stainless steel foil | |
EP3318654A4 (en) | Ferrite stainless steel sheet | |
EP3102714A4 (en) | Duplex stainless steel |
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: 20190304 |
|
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 |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL CORPORATION |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL CORPORATION |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20200302 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/00 20060101ALI20200225BHEP Ipc: C21D 6/02 20060101ALI20200225BHEP Ipc: C22C 38/46 20060101ALI20200225BHEP Ipc: C21D 8/02 20060101ALI20200225BHEP Ipc: C22C 38/52 20060101ALI20200225BHEP Ipc: C22C 38/06 20060101ALI20200225BHEP Ipc: C22C 38/48 20060101ALI20200225BHEP Ipc: C22C 38/04 20060101ALI20200225BHEP Ipc: C21D 9/46 20060101ALI20200225BHEP Ipc: C21D 6/00 20060101ALI20200225BHEP Ipc: C22C 38/02 20060101AFI20200225BHEP Ipc: C22C 38/42 20060101ALI20200225BHEP Ipc: C22C 38/44 20060101ALI20200225BHEP Ipc: C22C 38/54 20060101ALI20200225BHEP Ipc: C22C 38/58 20060101ALI20200225BHEP |