EP3889285A4 - Acier à matrice plastique à teneur en azote élevée et à teneur en chrome élevée, et procédé de fusion et procédé de traitement thermique pour celui-ci - Google Patents

Acier à matrice plastique à teneur en azote élevée et à teneur en chrome élevée, et procédé de fusion et procédé de traitement thermique pour celui-ci Download PDF

Info

Publication number
EP3889285A4
EP3889285A4 EP19889385.1A EP19889385A EP3889285A4 EP 3889285 A4 EP3889285 A4 EP 3889285A4 EP 19889385 A EP19889385 A EP 19889385A EP 3889285 A4 EP3889285 A4 EP 3889285A4
Authority
EP
European Patent Office
Prior art keywords
heat treatment
plastic matrix
matrix steel
treatment method
melting method
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
Application number
EP19889385.1A
Other languages
German (de)
English (en)
Other versions
EP3889285A1 (fr
EP3889285B1 (fr
Inventor
Qiang XIAO
Junhong Li
Xu LUO
Xujiang LIU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Original Assignee
Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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 Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd filed Critical Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Publication of EP3889285A1 publication Critical patent/EP3889285A1/fr
Publication of EP3889285A4 publication Critical patent/EP3889285A4/fr
Application granted granted Critical
Publication of EP3889285B1 publication Critical patent/EP3889285B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/072Treatment with gases
    • 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
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20Isothermal quenching, e.g. bainitic 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • 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
    • C21D1/26Methods of annealing
    • C21D1/28Normalising
    • 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
    • C21D1/26Methods of annealing
    • C21D1/30Stress-relieving
    • 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
    • C21D1/26Methods of annealing
    • C21D1/32Soft annealing, e.g. spheroidising
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • 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
    • C22C38/04Ferrous 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
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C21D1/56General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607Molten salts
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
EP19889385.1A 2018-11-28 2019-10-12 Procédé de fusion d'acier pour moule plastique à haute teneur en azote et en chrome et traitement thermique de celui-ci Active EP3889285B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811433208.7A CN109266970B (zh) 2018-11-28 2018-11-28 高氮高铬塑料模具钢及其冶炼和热处理方法
PCT/CN2019/110868 WO2020108123A1 (fr) 2018-11-28 2019-10-12 Acier à matrice plastique à teneur en azote élevée et à teneur en chrome élevée, et procédé de fusion et procédé de traitement thermique pour celui-ci

Publications (3)

Publication Number Publication Date
EP3889285A1 EP3889285A1 (fr) 2021-10-06
EP3889285A4 true EP3889285A4 (fr) 2022-07-06
EP3889285B1 EP3889285B1 (fr) 2024-02-21

Family

ID=65186218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19889385.1A Active EP3889285B1 (fr) 2018-11-28 2019-10-12 Procédé de fusion d'acier pour moule plastique à haute teneur en azote et en chrome et traitement thermique de celui-ci

Country Status (5)

Country Link
EP (1) EP3889285B1 (fr)
KR (1) KR102597090B1 (fr)
CN (1) CN109266970B (fr)
UA (1) UA128733C2 (fr)
WO (1) WO2020108123A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707730B (zh) * 2018-06-13 2020-01-14 东南大学 一种工模具钢高效连续退火方法
CN109266970B (zh) * 2018-11-28 2020-11-10 攀钢集团攀枝花钢铁研究院有限公司 高氮高铬塑料模具钢及其冶炼和热处理方法
CN110423859A (zh) * 2019-08-21 2019-11-08 河南中原特钢装备制造有限公司 一种马氏体不锈钢主轴的低磷冶炼工艺
CN110408848B (zh) * 2019-09-10 2021-11-16 成都先进金属材料产业技术研究院股份有限公司 耐蚀模具用扁钢锭及其工艺方法
CN111809115B (zh) * 2020-07-07 2021-09-14 鞍钢股份有限公司 耐冲击腐蚀磨损性能优异的特厚塑料模具钢及其制备方法
CN114717392B (zh) * 2022-03-22 2023-10-10 江苏大学 一种Dievar钢及其热处理方法
CN115181901B (zh) * 2022-04-07 2023-09-26 燕山大学 一种高强韧硬低温贝氏体热作模具钢及其制备方法
KR102856720B1 (ko) * 2022-11-30 2025-09-08 현대트랜시스 주식회사 고강도 및 고인성 조화감속기용 부재 제조방법 및 이에 의해 제조된 조화감속기용 부재
CN116904865B (zh) * 2023-09-14 2023-12-01 成都先进金属材料产业技术研究院股份有限公司 一种大规格3Cr17塑料模具钢及其生产方法
CN118600165B (zh) * 2024-03-29 2025-05-06 中国机械总院集团北京机电研究所有限公司 一种冷作模具的高硬度微变形清洁热处理控制方法
CN118762917B (zh) * 2024-07-09 2026-01-06 江西大有科技有限公司 一种高磁导率低损耗的半环型铁基纳米晶磁芯及其制备方法
CN118895411B (zh) * 2024-07-19 2025-02-11 广东润德利科技有限公司 一种塑料模具钢及热处理工艺

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688883A1 (fr) * 1993-12-28 1995-12-27 Nippon Steel Corporation Acier thermo-resistant martensitique dote d'une excellente resistance a l'adoucissement des zones affectees thermiquement et procede de production correspondant
JPH11335782A (ja) * 1998-05-22 1999-12-07 Daido Steel Co Ltd プラスチック成形金型用鋼
CN106636895A (zh) * 2016-11-30 2017-05-10 重庆材料研究院有限公司 特种轴承钢及其制造方法
CN106917045A (zh) * 2017-03-07 2017-07-04 广西大学行健文理学院 铸造冷镦模具的制造方法
JP2017150045A (ja) * 2016-02-26 2017-08-31 山陽特殊製鋼株式会社 マルテンサイト系ステンレス鋼
US20180179618A1 (en) * 2015-05-15 2018-06-28 Advanced Technology & Material Co., Ltd Powder metallurgy wear and corrosion resistance alloy
CN108220766A (zh) * 2016-12-13 2018-06-29 鞍钢股份有限公司 一种Cr-V系热作模具钢及其制备方法
CN108315656A (zh) * 2017-01-16 2018-07-24 宝山钢铁股份有限公司 一种免热处理的8.8级紧固件用冷镦钢及其制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101967608A (zh) * 2010-11-12 2011-02-09 上海大学 一种含氮耐蚀塑料模具钢及其制备工艺
CN107699801B (zh) * 2017-09-04 2019-04-05 唐山志威科技有限公司 一种模芯用含v塑料模具钢zw616及其制备方法
CN107747066B (zh) * 2017-11-13 2019-12-27 吉林大学 一种内生纳米TiC陶瓷颗粒原位增强铸造高铬热作模具钢及其制备方法
CN108893682B (zh) * 2018-08-01 2020-10-09 攀钢集团攀枝花钢铁研究院有限公司 模具钢钢坯及其制备方法
CN109266970B (zh) * 2018-11-28 2020-11-10 攀钢集团攀枝花钢铁研究院有限公司 高氮高铬塑料模具钢及其冶炼和热处理方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688883A1 (fr) * 1993-12-28 1995-12-27 Nippon Steel Corporation Acier thermo-resistant martensitique dote d'une excellente resistance a l'adoucissement des zones affectees thermiquement et procede de production correspondant
JPH11335782A (ja) * 1998-05-22 1999-12-07 Daido Steel Co Ltd プラスチック成形金型用鋼
US20180179618A1 (en) * 2015-05-15 2018-06-28 Advanced Technology & Material Co., Ltd Powder metallurgy wear and corrosion resistance alloy
JP2017150045A (ja) * 2016-02-26 2017-08-31 山陽特殊製鋼株式会社 マルテンサイト系ステンレス鋼
CN106636895A (zh) * 2016-11-30 2017-05-10 重庆材料研究院有限公司 特种轴承钢及其制造方法
CN108220766A (zh) * 2016-12-13 2018-06-29 鞍钢股份有限公司 一种Cr-V系热作模具钢及其制备方法
CN108315656A (zh) * 2017-01-16 2018-07-24 宝山钢铁股份有限公司 一种免热处理的8.8级紧固件用冷镦钢及其制造方法
CN106917045A (zh) * 2017-03-07 2017-07-04 广西大学行健文理学院 铸造冷镦模具的制造方法

Also Published As

Publication number Publication date
CN109266970B (zh) 2020-11-10
UA128733C2 (uk) 2024-10-09
CN109266970A (zh) 2019-01-25
EP3889285A1 (fr) 2021-10-06
WO2020108123A1 (fr) 2020-06-04
EP3889285B1 (fr) 2024-02-21
KR20210091156A (ko) 2021-07-21
KR102597090B1 (ko) 2023-11-01

Similar Documents

Publication Publication Date Title
EP3889285A4 (fr) Acier à matrice plastique à teneur en azote élevée et à teneur en chrome élevée, et procédé de fusion et procédé de traitement thermique pour celui-ci
EP3647447A4 (fr) Élément pressé a chaud et son procédé de fabrication, et tôle d'acier laminé à froid pour pressage à chaud et son procédé de fabrication
MA51296A (fr) Tôle d'acier à haute résistance et formabilité élevée et procédé de fabrication
EP3647445A4 (fr) Élément pressé à chaud et son procédé de fabrication, et tôle d'acier laminée à froid pour pressage à chaud et son procédé de fabrication
EP3647448A4 (fr) Élément pressé à chaud et son procédé de fabrication, et tôle d'acier laminé à froid pour pressage à chaud et son procédé de fabrication
EP3647449A4 (fr) Élément pressé à chaud et son procédé de fabrication, et tôle d'acier laminée à froid pour pressage à chaud et son procédé de fabrication
EP3926065A4 (fr) Acier pour matrice de travail à chaud, son procédé de traitement thermique et matrice de travail à chaud
EP3789509A4 (fr) Acier pour estampage à chaud, procédé d'estampage à chaud, et élément estampé à chaud
EP3431621A4 (fr) Matériau d'interface thermique de métal liquide ayant une propriété de retour à l'état fondu et son procédé de préparation
EP3564400A4 (fr) Tôle d'acier galvanisée à résistance élevée et son procédé de fabrication
EP3650569A4 (fr) Tôle d'acier laminée à chaud et son procédé de fabrication
EP3358032A4 (fr) Tôle d'acier galvanisé pour pressage à chaud et procédé de production d'un article moulé pressé à chaud
EP3561142A4 (fr) Tôle d'acier plaquée par pressage à chaud dotée d'une résistance élevée aux chocs, élément de moulage par pressage à chaud et son procédé de fabrication
EP3778973A4 (fr) Tôle d'acier à résistance élevée et procédé de fabrication de ladite tôle d'acier
EP3476963A4 (fr) Tôle d'acier laminée à froid à haute résistance et son procédé de fabrication
EP3412789A4 (fr) Tôle d'acier mince et tôle d'acier plaquée, procédé de fabrication de tôle d'acier laminée à chaud, procédé de fabrication de tôle d'acier entièrement durcie laminée à froid, procédé de fabrication de tôle d'acier traitée thermiquement, procédé de fabrication de tôle d'acier mince et procédé de fabrication de tôle d'acier plaquée
EP3438309A4 (fr) Tôle d'acier à haute résistance et procédé pour la fabrication de celle-ci
EP3647444A4 (fr) Élément de compression à chaud et son procédé de fabrication, et tôle d'acier laminée à froid pour compression à chaud et son procédé de fabrication
EP3505651A4 (fr) Tôle d'acier à crémaillère d'une épaisseur de 177,8 mm fabriquée par coulée continue de billettes et son procédé de fabrication
EP3467136A4 (fr) Procédé de production d'acier q960e ultra-haute résistance de grande épaisseur
EP3868903A4 (fr) Tôle d'acier laminée à chaud et procédé pour la fabrication de celle-ci
EP3647450A4 (fr) Élément pressé à chaud et son procédé de fabrication et tôle d'acier laminée à froid et son procédé de fabrication
EP3859035A4 (fr) Brame à très haute teneur en acier q960e et procédé de fabrication
MA45121A (fr) Feuille d'acier lamineè à froid et revenu, son procédeé de fabrication et son utilisation pour produire des pièces de véhicule
EP3553195A4 (fr) Tôle d'acier à haute teneur en mn et procédé de production de celle-ci

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: 20210521

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/32 20060101ALI20220428BHEP

Ipc: C21D 6/00 20060101ALI20220428BHEP

Ipc: C22C 33/04 20060101ALI20220428BHEP

Ipc: C21D 1/20 20060101ALI20220428BHEP

Ipc: C22C 38/44 20060101ALI20220428BHEP

Ipc: C22C 38/02 20060101AFI20220428BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20220609

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/30 20060101ALI20220602BHEP

Ipc: C21D 1/28 20060101ALI20220602BHEP

Ipc: F27B 14/06 20060101ALI20220602BHEP

Ipc: F27B 3/08 20060101ALI20220602BHEP

Ipc: C21C 7/072 20060101ALI20220602BHEP

Ipc: C21D 1/32 20060101ALI20220602BHEP

Ipc: C21D 6/00 20060101ALI20220602BHEP

Ipc: C22C 33/04 20060101ALI20220602BHEP

Ipc: C21D 1/20 20060101ALI20220602BHEP

Ipc: C22C 38/44 20060101ALI20220602BHEP

Ipc: C22C 38/02 20060101AFI20220602BHEP

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: 20230720

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref country code: DE

Ref legal event code: R079

Ref document number: 602019047104

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: C22C0038020000

Ipc: C21D0001190000

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: C21D 1/32 20060101ALN20231023BHEP

Ipc: C21D 1/607 20060101ALN20231023BHEP

Ipc: C21D 6/00 20060101ALN20231023BHEP

Ipc: C21D 1/30 20060101ALI20231023BHEP

Ipc: C22C 33/04 20060101ALI20231023BHEP

Ipc: C21D 1/28 20060101ALI20231023BHEP

Ipc: C21D 1/20 20060101ALI20231023BHEP

Ipc: C21C 7/072 20060101ALI20231023BHEP

Ipc: C22C 38/04 20060101ALI20231023BHEP

Ipc: C22C 38/44 20060101ALI20231023BHEP

Ipc: C22C 38/02 20060101ALI20231023BHEP

Ipc: C22C 38/00 20060101ALI20231023BHEP

Ipc: C22C 1/02 20060101ALI20231023BHEP

Ipc: C21D 9/00 20060101ALI20231023BHEP

Ipc: C21D 1/26 20060101ALI20231023BHEP

Ipc: C21D 1/19 20060101AFI20231023BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/32 20060101ALN20231102BHEP

Ipc: C21D 1/607 20060101ALN20231102BHEP

Ipc: C21D 6/00 20060101ALN20231102BHEP

Ipc: C21D 1/30 20060101ALI20231102BHEP

Ipc: C22C 33/04 20060101ALI20231102BHEP

Ipc: C21D 1/28 20060101ALI20231102BHEP

Ipc: C21D 1/20 20060101ALI20231102BHEP

Ipc: C21C 7/072 20060101ALI20231102BHEP

Ipc: C22C 38/04 20060101ALI20231102BHEP

Ipc: C22C 38/44 20060101ALI20231102BHEP

Ipc: C22C 38/02 20060101ALI20231102BHEP

Ipc: C22C 38/00 20060101ALI20231102BHEP

Ipc: C22C 1/02 20060101ALI20231102BHEP

Ipc: C21D 9/00 20060101ALI20231102BHEP

Ipc: C21D 1/26 20060101ALI20231102BHEP

Ipc: C21D 1/19 20060101AFI20231102BHEP

INTG Intention to grant announced

Effective date: 20231113

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): 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

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: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019047104

Country of ref document: DE

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20240311

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240621

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20240522

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1659159

Country of ref document: AT

Kind code of ref document: T

Effective date: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

Ref country code: RS

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: 20240521

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

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: 20240521

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: 20240521

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: 20240221

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: 20240221

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: 20240621

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: 20240221

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: 20240522

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: 20240221

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: 20240221

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: 20240221

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240621

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: 20240221

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240221

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: 20240621

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: 20240221

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: 20240221

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20240221

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: 20240221

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: 20240221

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: 20240221

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: 20240221

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602019047104

Country of ref document: DE

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240221

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: IT

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: 20240221

26N No opposition filed

Effective date: 20241122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20241012

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20240221

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: 20241012

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20241031

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20241012

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: 20241031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20241031

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20241031

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: 20241012

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20251030

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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; INVALID AB INITIO

Effective date: 20191012

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20191012