BRPI0925071A2 - Aço cementado superior em trabalhabilidade a frio, usinabilidade, e características de fadiga após resfriamento carburado e método de produção do mesmo - Google Patents

Aço cementado superior em trabalhabilidade a frio, usinabilidade, e características de fadiga após resfriamento carburado e método de produção do mesmo

Info

Publication number
BRPI0925071A2
BRPI0925071A2 BRPI0925071-9A BRPI0925071A BRPI0925071A2 BR PI0925071 A2 BRPI0925071 A2 BR PI0925071A2 BR PI0925071 A BRPI0925071 A BR PI0925071A BR PI0925071 A2 BRPI0925071 A2 BR PI0925071A2
Authority
BR
Brazil
Prior art keywords
carburized
machinability
superior
cooling
production method
Prior art date
Application number
BRPI0925071-9A
Other languages
English (en)
Inventor
Masayuki Hashimura
Kei Miyanishi
Shuji Kozawa
Manabu Kubota
Tatsuro Ochi
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BRPI0925071A2 publication Critical patent/BRPI0925071A2/pt
Publication of BRPI0925071B1 publication Critical patent/BRPI0925071B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06Surface hardening
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/11Making amorphous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/28Solid 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
    • C23C8/30Carbo-nitriding
    • C23C8/32Carbo-nitriding of ferrous surfaces
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/80After-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)
BRPI0925071-9A 2009-04-06 2009-10-14 Aço de cementação e método de produção do mesmo BRPI0925071B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009092176 2009-04-06
JP2009-092176 2009-04-06
PCT/JP2009/068083 WO2010116555A1 (ja) 2009-04-06 2009-10-14 冷間加工性、切削性、浸炭焼入れ後の疲労特性に優れた肌焼鋼及びその製造方法

Publications (2)

Publication Number Publication Date
BRPI0925071A2 true BRPI0925071A2 (pt) 2015-07-21
BRPI0925071B1 BRPI0925071B1 (pt) 2021-05-04

Family

ID=42935858

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0925071-9A BRPI0925071B1 (pt) 2009-04-06 2009-10-14 Aço de cementação e método de produção do mesmo

Country Status (9)

Country Link
US (1) US20120018063A1 (pt)
EP (1) EP2418296B1 (pt)
JP (1) JP4528363B1 (pt)
KR (1) KR101367350B1 (pt)
CN (1) CN102378822B (pt)
AU (1) AU2009343864B2 (pt)
BR (1) BRPI0925071B1 (pt)
CA (1) CA2757393C (pt)
WO (1) WO2010116555A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5558887B2 (ja) * 2010-03-30 2014-07-23 山陽特殊製鋼株式会社 低サイクル疲労強度に優れるTi、B添加鋼を用いた高強度部品の製造方法
JP5432105B2 (ja) * 2010-09-28 2014-03-05 株式会社神戸製鋼所 肌焼鋼およびその製造方法
CN102884212A (zh) * 2010-10-06 2013-01-16 新日铁住金株式会社 表面硬化钢及其制造方法
JP5783014B2 (ja) * 2011-11-29 2015-09-24 新日鐵住金株式会社 軸受用棒鋼
JP5783056B2 (ja) * 2012-01-18 2015-09-24 新日鐵住金株式会社 浸炭軸受鋼鋼材
JP5825157B2 (ja) * 2012-03-12 2015-12-02 新日鐵住金株式会社 高周波焼入れ用鋼材
JP5783101B2 (ja) * 2012-03-22 2015-09-24 新日鐵住金株式会社 窒化用鋼材
JP5224424B1 (ja) * 2012-05-07 2013-07-03 山陽特殊製鋼株式会社 転がり疲労寿命に優れた鋼
CN102703817B (zh) * 2012-06-29 2014-04-16 中天钢铁集团有限公司 一种易切削齿轮钢及其生产工艺
KR20150126699A (ko) * 2013-04-18 2015-11-12 신닛테츠스미킨 카부시키카이샤 표면 경화용 강재와 표면 경화강 부품
CN107532252B (zh) * 2015-01-27 2019-12-31 杰富意钢铁株式会社 表面硬化钢
WO2016159391A1 (ja) * 2015-03-31 2016-10-06 新日鐵住金株式会社 肌焼鋼部品
KR101705168B1 (ko) * 2015-04-20 2017-02-10 현대자동차주식회사 내구성이 향상된 침탄 합금강 및 이의 제조방법
CN108368574A (zh) * 2015-11-27 2018-08-03 新日铁住金株式会社 钢、渗碳钢部件及渗碳钢部件的制造方法
JP6760379B2 (ja) * 2016-07-27 2020-09-23 日本製鉄株式会社 機械構造用鋼
MY198142A (en) 2016-09-09 2023-08-07 Jfe Steel Corp Case Hardening Steel, Method of Producing the Same, and Method of Producing Gear Parts
KR102386638B1 (ko) * 2017-08-25 2022-04-14 닛폰세이테츠 가부시키가이샤 침탄 베어링 부품용 강재
JP6881613B2 (ja) 2018-01-22 2021-06-02 日本製鉄株式会社 浸炭軸受鋼部品、および浸炭軸受鋼部品用棒鋼
CN111868281B (zh) * 2018-03-23 2022-05-10 日本制铁株式会社 钢材
WO2021201159A1 (ja) 2020-03-31 2021-10-07 日本製鉄株式会社 鋼材
CN112676501A (zh) * 2020-12-11 2021-04-20 浙江麦思登紧固件制造股份有限公司 一种高速眼孔射钉的生产工艺
JP7188432B2 (ja) * 2020-12-22 2022-12-13 愛知製鋼株式会社 温間鍛造用肌焼鋼及びこれを用いて製造した鍛造粗形材
CN113106341B (zh) * 2021-03-31 2022-04-12 武汉科技大学 一种高强韧性可焊接耐腐蚀磨损钢板及其制备方法
CN113122782B (zh) * 2021-04-21 2022-03-15 浙江中煤机械科技有限公司 一种泵头体用不锈钢及其制备方法
CN113234998B (zh) * 2021-04-21 2022-06-21 马鞍山钢铁股份有限公司 一种Nb-Ti微合金化耐高温渗碳齿轮钢及其制造方法
CN115466900B (zh) * 2022-09-20 2023-08-01 西华大学 一种提高汽车曲轴抗疲劳性能的方法
CN119663113B (zh) * 2024-12-16 2025-06-24 张家港海锅新能源装备股份有限公司 一种超大功率风力发电机组轴承外圈用钢及其制造工艺

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559225B1 (en) * 1992-03-06 1999-02-10 Kawasaki Steel Corporation Producing steel sheet having high tensile strength and excellent stretch flanging formability
FI971257A7 (fi) * 1997-03-26 1998-09-27 Imatra Steel Oy Ab Kylmämuovausmenetelmä
FR2765890B1 (fr) * 1997-07-10 1999-08-20 Ascometal Sa Procede de fabrication d'une piece mecanique en acier cementee ou carbonitruree et acier pour la fabrication de cette piece
JP3395642B2 (ja) * 1997-12-15 2003-04-14 住友金属工業株式会社 耐粗粒化肌焼鋼材並びに強度と靭性に優れた表面硬化部品及びその製造方法
JP3764586B2 (ja) 1998-05-22 2006-04-12 新日本製鐵株式会社 冷間加工性と低浸炭歪み特性に優れた肌焼鋼の製造方法
JP3954772B2 (ja) 2000-04-26 2007-08-08 新日本製鐵株式会社 結晶粒粗大化防止特性に優れた高温浸炭部品用素形材とその製造方法
JP4213855B2 (ja) * 2000-08-30 2009-01-21 新日本製鐵株式会社 捩り疲労特性に優れた肌焼用鋼ならびに肌焼部品
JP3738003B2 (ja) * 2002-12-04 2006-01-25 新日本製鐵株式会社 冷間加工性と浸炭時の粗大粒防止特性に優れた肌焼用鋼材およびその製造方法
JP3738004B2 (ja) 2002-12-24 2006-01-25 新日本製鐵株式会社 冷間加工性と浸炭時の粗大粒防止特性に優れた肌焼用鋼材とその製造方法
JP4252837B2 (ja) * 2003-04-16 2009-04-08 Jfeスチール株式会社 転動疲労寿命の優れた鋼材及びその製造方法
JP4448456B2 (ja) * 2004-01-29 2010-04-07 新日本製鐵株式会社 浸炭時の粗大粒防止特性と疲労特性に優れた肌焼鋼とその製造方法
JP4847681B2 (ja) * 2004-02-06 2011-12-28 株式会社神戸製鋼所 Ti含有肌焼き鋼
KR100883716B1 (ko) * 2004-07-16 2009-02-12 제이에프이 스틸 가부시키가이샤 기계구조용 부품 및 그 제조방법과 고주파 담금질용 소재
JP4440845B2 (ja) * 2005-07-27 2010-03-24 株式会社神戸製鋼所 耐結晶粒粗大化特性、疲労特性及び被削性に優れた肌焼鋼並びにその製造方法
JP4919338B2 (ja) * 2006-10-25 2012-04-18 山陽特殊製鋼株式会社 疲労強度に優れた鋼部品の製造方法および鋼部品
CN100584985C (zh) * 2006-11-24 2010-01-27 宝山钢铁股份有限公司 一种齿轮用合金钢及其制备方法
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

Also Published As

Publication number Publication date
EP2418296A1 (en) 2012-02-15
CN102378822A (zh) 2012-03-14
JP4528363B1 (ja) 2010-08-18
KR20110117261A (ko) 2011-10-26
AU2009343864A1 (en) 2011-09-29
BRPI0925071B1 (pt) 2021-05-04
CA2757393C (en) 2015-10-06
EP2418296B1 (en) 2020-02-26
EP2418296A4 (en) 2017-05-17
CA2757393A1 (en) 2010-10-14
CN102378822B (zh) 2014-05-14
AU2009343864B2 (en) 2012-10-18
US20120018063A1 (en) 2012-01-26
JPWO2010116555A1 (ja) 2012-10-18
KR101367350B1 (ko) 2014-02-26
WO2010116555A1 (ja) 2010-10-14

Similar Documents

Publication Publication Date Title
BRPI0925071A2 (pt) Aço cementado superior em trabalhabilidade a frio, usinabilidade, e características de fadiga após resfriamento carburado e método de produção do mesmo
BRPI1004216A2 (pt) aço para cementação, componente carburizado e método de produção de aço para cementação
FR2920784B1 (fr) Acier inoxydable martensitique, procede de fabrication de pieces realisees en cet acier et pieces ainsi realisees
EP2322680A4 (en) ENVIRONMENTALLY FRIENDLY PB-FREE AUTOMATED STEEL AND MANUFACTURING METHOD THEREFOR
BRPI0807878A2 (pt) Peça de aço carbonitrificada endurecida por indução superior em resistência à fadiga de superfície à alta temperatura e método de produção da mesma.
BRPI0908575A2 (pt) filamento de aço com baixo teor de carbono trefilado a frio e método de fabricação do referido filamento
HUE046647T2 (hu) Eljárás késleltetett töréssel szemben kiváló ellenállással rendelkezõ ausztenites vas-szén-mangán acéllemez gyártására, valamint az így elõállított lemez
EP2145970A4 (en) DESIGN-HARDENED MARTENSITIC DIE-COATED STAINLESS STEEL WITH EXCELLENT CUT-OUTPUT AND MANUFACTURING METHOD THEREFOR
BRPI0911117A2 (pt) chapa de aço de alta resistência, cano de aço com excelente dureza em baixa temperatura e métodos de produção dos mesmos
PL2204463T3 (pl) Stal typu martenzytycznego niewymagająca obróbki cieplnej i elementy kute na gorąco ze stali niepoddanej obróbce cieplnej
EP2325346A4 (en) High-strength steel plate and manufacturing method thereof
SG11201403786TA (en) High tensile steel plate having excellent low-temperature toughness in weld heat-affected zones, and method for producing same
PL2738278T3 (pl) Blacha stalowa cienka o dużej wytrzymałości i ocynkowana blacha stalowa cienka o dużej wytrzymałości oraz o doskonałej podatności na utrwalanie kształtu i sposób ich wytwarzania
BR112012001991A2 (pt) chapa de aço laminada a frio de alta resistência e método de produção da mesma
BR112013012808A8 (pt) chapa de aço laminada a frio de alta resistência, passível de endurecimento no cozimento, e método de produção da mesma
BRPI1008681A2 (pt) monitor com iluminação traseira com adaptação de àrea e método com computação e características de auréola reduzidas.
PL2310546T3 (pl) Utwardzona stal martenzytyczna o małej zawartości kobaltu, sposób wytwarzania części z tej stali oraz część tak otrzymana
BRPI0908257A2 (pt) Sistema de resfriamento e método de resfriamento de aço laminado
EP2402466A4 (en) Manufacturing method and heat-treatment device for high-strength, highly-tough thin steel
BRPI0901011A2 (pt) aço para estruturas soldadas excelente em resistência à alta temperatura e tenacidade à baixa temperatura e método de produção do mesmo
BRPI1011945A2 (pt) "aparelho de resfriamento, método de resfriamento, aparelho de fabricação e método de fabricação de lâmina de aço laminada a quente"
BRPI1012747A2 (pt) equipamento de resfriamento de chapa de aço, e equipamento de produção e método de produção de chapa de aço laminada a quente"
EP2447383A4 (en) Pearlite based high-carbon steel rail having excellent ductility and process for production thereof
BRPI1012272A2 (pt) processo e dispositivo para produzir peças pré-moldadas com geometrias especiais.
BRPI0813801A2 (pt) Processo para produzir elemento metálico, elemento estrutural com o assim produzido elemento metálico, e método de reparo do elemento estrutural

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/05/2021, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2692 DE 09-08-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.