EP2418296A4 - Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same - Google Patents
Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same Download PDFInfo
- Publication number
- EP2418296A4 EP2418296A4 EP09843061.4A EP09843061A EP2418296A4 EP 2418296 A4 EP2418296 A4 EP 2418296A4 EP 09843061 A EP09843061 A EP 09843061A EP 2418296 A4 EP2418296 A4 EP 2418296A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- carburizing
- machinability
- quenching
- steel
- production
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000005255 carburizing Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000010791 quenching Methods 0.000 title 1
- 230000000171 quenching effect Effects 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous 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
-
- 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
- C22C38/02—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
- C22C38/22—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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009092176 | 2009-04-06 | ||
PCT/JP2009/068083 WO2010116555A1 (en) | 2009-04-06 | 2009-10-14 | Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2418296A1 EP2418296A1 (en) | 2012-02-15 |
EP2418296A4 true EP2418296A4 (en) | 2017-05-17 |
EP2418296B1 EP2418296B1 (en) | 2020-02-26 |
Family
ID=42935858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09843061.4A Active EP2418296B1 (en) | 2009-04-06 | 2009-10-14 | Case hardening steel superior in cold workability, machinability and fatigue characteristics after carburized quenching and method of production of same |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120018063A1 (en) |
EP (1) | EP2418296B1 (en) |
KR (1) | KR101367350B1 (en) |
CN (1) | CN102378822B (en) |
AU (1) | AU2009343864B2 (en) |
BR (1) | BRPI0925071B1 (en) |
CA (1) | CA2757393C (en) |
WO (1) | WO2010116555A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5432105B2 (en) * | 2010-09-28 | 2014-03-05 | 株式会社神戸製鋼所 | Case-hardened steel and method for producing the same |
JP5783014B2 (en) * | 2011-11-29 | 2015-09-24 | 新日鐵住金株式会社 | Steel bar for bearing |
JP5783056B2 (en) * | 2012-01-18 | 2015-09-24 | 新日鐵住金株式会社 | Carburized bearing steel |
JP5825157B2 (en) * | 2012-03-12 | 2015-12-02 | 新日鐵住金株式会社 | Induction hardening steel |
JP5783101B2 (en) | 2012-03-22 | 2015-09-24 | 新日鐵住金株式会社 | Steel for nitriding |
JP5224424B1 (en) * | 2012-05-07 | 2013-07-03 | 山陽特殊製鋼株式会社 | Steel with excellent rolling fatigue life |
CN102703817B (en) * | 2012-06-29 | 2014-04-16 | 中天钢铁集团有限公司 | Free-machining pinion steel and production technique thereof |
US20160060744A1 (en) * | 2013-04-18 | 2016-03-03 | Nippon Steel & Sumitomo Metal Corporation | Case-hardening steel and case-hardened steel member |
CN107532252B (en) * | 2015-01-27 | 2019-12-31 | 杰富意钢铁株式会社 | Case hardening steel |
US20180094345A1 (en) * | 2015-03-31 | 2018-04-05 | Nippon Steel & Sumitomo Metal Corporation | Case-hardened steel component |
KR101705168B1 (en) * | 2015-04-20 | 2017-02-10 | 현대자동차주식회사 | Carburizing alloy steel improved durability and the method of manufacturing the same |
CN108368574A (en) * | 2015-11-27 | 2018-08-03 | 新日铁住金株式会社 | The manufacturing method of steel, carburizing steel part and carburizing steel part |
KR20190034273A (en) * | 2016-07-27 | 2019-04-01 | 신닛테츠스미킨 카부시키카이샤 | Steel for machine structural use |
MX2019002741A (en) | 2016-09-09 | 2019-05-27 | Jfe Steel Corp | Case-hardened steel, method for producing same, and method for manufacturing gear part. |
KR102386638B1 (en) * | 2017-08-25 | 2022-04-14 | 닛폰세이테츠 가부시키가이샤 | Steel for carburized bearing parts |
JP6881613B2 (en) | 2018-01-22 | 2021-06-02 | 日本製鉄株式会社 | Carburized bearing steel parts and steel bars for carburized bearing steel parts |
CN113106341B (en) * | 2021-03-31 | 2022-04-12 | 武汉科技大学 | High-strength and high-toughness weldable corrosion-resistant wear-resistant steel plate and preparation method thereof |
CN113234998B (en) * | 2021-04-21 | 2022-06-21 | 马鞍山钢铁股份有限公司 | Nb-Ti microalloyed high temperature resistant carburized gear steel and manufacturing method thereof |
CN113122782B (en) * | 2021-04-21 | 2022-03-15 | 浙江中煤机械科技有限公司 | Stainless steel for pump head body and preparation method thereof |
CN115466900B (en) * | 2022-09-20 | 2023-08-01 | 西华大学 | Method for improving fatigue resistance of automobile crankshaft |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11236646A (en) * | 1997-12-15 | 1999-08-31 | Sumitomo Metal Ind Ltd | Grain coarsening-resistant case hardening steel, surface hardened parts excellent in strength and toughness and production thereof |
JP2002069573A (en) * | 2000-08-30 | 2002-03-08 | Nippon Steel Corp | Case-hardening steel excellent in torsional fatigue characteristic, and case-hardened parts |
JP2005220423A (en) * | 2004-02-06 | 2005-08-18 | Kobe Steel Ltd | Ti-CONTAINING CASE HARDENING STEEL |
JP2007031787A (en) * | 2005-07-27 | 2007-02-08 | Kobe Steel Ltd | Case-hardened steel having superior grain coarsening resistance, fatigue characteristic and machinability, and manufacturing method therefor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5332453A (en) * | 1992-03-06 | 1994-07-26 | Kawasaki Steel Corporation | High tensile steel sheet having excellent stretch flanging formability |
FI971257A (en) * | 1997-03-26 | 1998-09-27 | Imatra Steel Oy Ab | Cold Forging Process |
FR2765890B1 (en) * | 1997-07-10 | 1999-08-20 | Ascometal Sa | PROCESS FOR MANUFACTURING A MECHANICAL PART IN CEMENTED OR CARBONITRIDE STEEL AND STEEL FOR THE MANUFACTURE OF SUCH A PART |
JP3764586B2 (en) | 1998-05-22 | 2006-04-12 | 新日本製鐵株式会社 | Manufacturing method of case-hardened steel with excellent cold workability and low carburizing strain characteristics |
JP3954772B2 (en) | 2000-04-26 | 2007-08-08 | 新日本製鐵株式会社 | Shaped material for high-temperature carburized parts with excellent grain coarsening prevention characteristics and manufacturing method thereof |
JP3738003B2 (en) | 2002-12-04 | 2006-01-25 | 新日本製鐵株式会社 | Steel for case hardening excellent in cold workability and properties of preventing coarse grains during carburizing and method for producing the same |
JP3738004B2 (en) | 2002-12-24 | 2006-01-25 | 新日本製鐵株式会社 | Case-hardening steel with excellent cold workability and prevention of coarse grains during carburizing, and its manufacturing method |
JP4252837B2 (en) * | 2003-04-16 | 2009-04-08 | Jfeスチール株式会社 | Steel material with excellent rolling fatigue life and method for producing the same |
JP4448456B2 (en) | 2004-01-29 | 2010-04-07 | 新日本製鐵株式会社 | Case-hardened steel with excellent coarse grain prevention and fatigue characteristics during carburizing and its manufacturing method |
KR100883716B1 (en) * | 2004-07-16 | 2009-02-12 | 제이에프이 스틸 가부시키가이샤 | Composition for Machine Structure, Method of Producing the Same and Material for Induction Hardening |
JP4919338B2 (en) * | 2006-10-25 | 2012-04-18 | 山陽特殊製鋼株式会社 | Manufacturing method of steel parts having excellent fatigue strength and steel parts |
CN100584985C (en) * | 2006-11-24 | 2010-01-27 | 宝山钢铁股份有限公司 | Alloy steel for gear wheel and preparation method thereof |
US20080156403A1 (en) * | 2006-12-28 | 2008-07-03 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) | Steel for high-speed cold working and method for production thereof, and part formed by high-speed cold working and method for production thereof |
-
2009
- 2009-10-14 CN CN200980158459.1A patent/CN102378822B/en active Active
- 2009-10-14 CA CA2757393A patent/CA2757393C/en not_active Expired - Fee Related
- 2009-10-14 KR KR1020117021886A patent/KR101367350B1/en active IP Right Grant
- 2009-10-14 EP EP09843061.4A patent/EP2418296B1/en active Active
- 2009-10-14 WO PCT/JP2009/068083 patent/WO2010116555A1/en active Application Filing
- 2009-10-14 AU AU2009343864A patent/AU2009343864B2/en not_active Ceased
- 2009-10-14 US US13/138,837 patent/US20120018063A1/en not_active Abandoned
- 2009-10-14 BR BRPI0925071-9A patent/BRPI0925071B1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11236646A (en) * | 1997-12-15 | 1999-08-31 | Sumitomo Metal Ind Ltd | Grain coarsening-resistant case hardening steel, surface hardened parts excellent in strength and toughness and production thereof |
JP2002069573A (en) * | 2000-08-30 | 2002-03-08 | Nippon Steel Corp | Case-hardening steel excellent in torsional fatigue characteristic, and case-hardened parts |
JP2005220423A (en) * | 2004-02-06 | 2005-08-18 | Kobe Steel Ltd | Ti-CONTAINING CASE HARDENING STEEL |
JP2007031787A (en) * | 2005-07-27 | 2007-02-08 | Kobe Steel Ltd | Case-hardened steel having superior grain coarsening resistance, fatigue characteristic and machinability, and manufacturing method therefor |
Non-Patent Citations (1)
Title |
---|
See also references of WO2010116555A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2418296B1 (en) | 2020-02-26 |
WO2010116555A1 (en) | 2010-10-14 |
CA2757393A1 (en) | 2010-10-14 |
AU2009343864A1 (en) | 2011-09-29 |
CA2757393C (en) | 2015-10-06 |
CN102378822A (en) | 2012-03-14 |
KR20110117261A (en) | 2011-10-26 |
EP2418296A1 (en) | 2012-02-15 |
US20120018063A1 (en) | 2012-01-26 |
CN102378822B (en) | 2014-05-14 |
BRPI0925071A2 (en) | 2015-07-21 |
BRPI0925071B1 (en) | 2021-05-04 |
AU2009343864B2 (en) | 2012-10-18 |
KR101367350B1 (en) | 2014-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2418296A4 (en) | Steel for case hardening which has excellent cold workability and machinability and which exhibits excellent fatigue characteristics after carburizing and quenching, and process for production of same | |
EP2357260A4 (en) | Case hardening steel, carburized component, and method for producing case hardening steel | |
EP2868763A4 (en) | High carbon steel pipe having excellent cold workability, machinability, and quenching properties, and method for manufacturing same | |
EP2402470A4 (en) | High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor | |
EP2447383A4 (en) | Pearlite based high-carbon steel rail having excellent ductility and process for production thereof | |
HUE053150T2 (en) | Method for producing hardened components with regions of different hardness and/or ductility | |
EP2557193A4 (en) | High-strength steel sheet having excellent hot rolling workability, and process for production thereof | |
EP2284287A4 (en) | Process for production of carburized part and steel part | |
EP2397570A4 (en) | Steel plate for line pipes with excellent strength and ductility and process for production of same | |
EP2380995A4 (en) | Smelting vessel, steel making plant and steel production method | |
EP2500445A4 (en) | High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet | |
EP2799567A4 (en) | High strength steel pipe having excellent ductility and low temperature toughness, high strength steel sheet, and method for producing steel sheet | |
EP2392682A4 (en) | Thick high-tensile-strength hot-rolled steel sheet with excellent low-temperature toughness and process for production of same | |
EP2444510A4 (en) | High-strength hot-dip galvannealed steel shhet with excellent workability and fatigue characteristics and process for production thereof | |
EP2397571A4 (en) | Steel for high-strength vehicle stabilizer with excellent corrosion resistance and low-temperature toughness, and process for the production of same, and stabilizer | |
GB0913382D0 (en) | Bainite steel and methods of manufacture thereof | |
EP2617852A4 (en) | High-strength hot-rolled steel sheet having excellent bending workability and method for producing same | |
EP2204463A4 (en) | Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings | |
BRPI1009035A2 (en) | apparatus and method of production of iron, semi-steel and reducing gas | |
EP2143813A4 (en) | Steel material having excellent high temperature properties and excellent toughness, and method for production thereof | |
PL2235230T3 (en) | Method for producing corrosion-resistant surfaces of nitrated or nitrocarburated steel components | |
EP2460906A4 (en) | Steel member having nitrogen compound layer and process for producing same | |
WO2010074435A3 (en) | Steel sheet annealing device, device for producing plated steel sheet comprising the same, and production method for plated steel sheet using the same | |
EP2145970A4 (en) | Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof | |
EP2184373A4 (en) | Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20110913 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): 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 SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION |
|
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20170413 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/60 20060101ALI20170408BHEP Ipc: C21D 8/06 20060101ALI20170408BHEP Ipc: C23C 8/22 20060101ALI20170408BHEP Ipc: C23C 8/02 20060101ALI20170408BHEP Ipc: C21D 1/06 20060101ALI20170408BHEP Ipc: C22C 38/00 20060101AFI20170408BHEP Ipc: C22C 1/00 20060101ALI20170408BHEP Ipc: C21D 8/02 20060101ALI20170408BHEP Ipc: C23C 8/32 20060101ALI20170408BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20180724 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Ref document number: 602009061307 Country of ref document: DE Free format text: PREVIOUS MAIN CLASS: C22C0038000000 Ipc: C22C0038020000 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/22 20060101ALI20190208BHEP Ipc: C22C 1/00 20060101ALI20190208BHEP Ipc: C21D 1/06 20060101ALI20190208BHEP Ipc: C21D 8/02 20060101ALI20190208BHEP Ipc: C22C 1/02 20060101ALI20190208BHEP Ipc: C22C 38/24 20060101ALI20190208BHEP Ipc: C22C 38/38 20060101ALI20190208BHEP Ipc: C23C 8/80 20060101ALI20190208BHEP Ipc: C22C 38/26 20060101ALI20190208BHEP Ipc: C22C 38/32 20060101ALI20190208BHEP Ipc: C22C 38/48 20060101ALI20190208BHEP Ipc: C22C 38/04 20060101ALI20190208BHEP Ipc: C22C 38/02 20060101AFI20190208BHEP Ipc: C22C 38/06 20060101ALI20190208BHEP Ipc: C23C 8/32 20060101ALI20190208BHEP Ipc: C22C 38/46 20060101ALI20190208BHEP Ipc: C22C 38/28 20060101ALI20190208BHEP |
|
INTG | Intention to grant announced |
Effective date: 20190320 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL CORPORATION |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTC | Intention to grant announced (deleted) | ||
INTG | Intention to grant announced |
Effective date: 20190820 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): 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 SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1237693 Country of ref document: AT Kind code of ref document: T Effective date: 20200315 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602009061307 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200526 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20200226 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200527 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200526 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200626 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200719 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20200827 Year of fee payment: 12 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 1237693 Country of ref document: AT Kind code of ref document: T Effective date: 20200226 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602009061307 Country of ref document: DE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20201016 Year of fee payment: 12 Ref country code: IT Payment date: 20201009 Year of fee payment: 12 |
|
26N | No opposition filed |
Effective date: 20201127 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20201014 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201014 Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20201031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201014 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201031 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201031 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201014 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200226 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20211015 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20211031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20211014 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20230830 Year of fee payment: 15 |