EP3276037A4 - Appareil de galvanisation par immersion à chaud en continu et procédé de fabrication de tôle d'acier galvanisée par immersion à chaud - Google Patents

Appareil de galvanisation par immersion à chaud en continu et procédé de fabrication de tôle d'acier galvanisée par immersion à chaud Download PDF

Info

Publication number: EP3276037A4
Authority: EP; European Patent Office
Prior art keywords: hot; dip; steel sheet; galvanized steel; sheet manufacturing
Prior art date: 2015-03-23
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

EP16767930.7A

Other languages

German (de)

English (en)

Other versions

EP3276037A1 (fr

EP3276037B1 (fr

Inventor

Gentaro Takeda

Masaru Miyake

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.)

JFE Steel Corp

Original Assignee

JFE 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.)

2015-03-23

Filing date

2016-02-19

Publication date

2018-03-21

2016-02-19 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2018-01-31 Publication of EP3276037A1 publication Critical patent/EP3276037A1/fr

2018-03-21 Publication of EP3276037A4 publication Critical patent/EP3276037A4/fr

2021-04-07 Application granted granted Critical

2021-04-07 Publication of EP3276037B1 publication Critical patent/EP3276037B1/fr

Status Active legal-status Critical Current

2036-02-19 Anticipated expiration legal-status Critical

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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
- 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
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
- C23C2/004—Snouts
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Crystallography & Structural Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Coating With Molten Metal (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)
Heat Treatment Of Sheet Steel (AREA)
Tunnel Furnaces (AREA)

EP16767930.7A 2015-03-23 2016-02-19 Procédé de fabrication de tôle d'acier galvanisée par immersion à chaud Active EP3276037B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2015060139A JP6008007B2 (ja)	2015-03-23	2015-03-23	連続溶融亜鉛めっき装置及び溶融亜鉛めっき鋼板の製造方法
PCT/JP2016/000899 WO2016152018A1 (fr)	2015-03-23	2016-02-19	Appareil de galvanisation par immersion à chaud en continu et procédé de fabrication de tôle d'acier galvanisée par immersion à chaud

Publications (3)

Publication Number	Publication Date
EP3276037A1 EP3276037A1 (fr)	2018-01-31
EP3276037A4 true EP3276037A4 (fr)	2018-03-21
EP3276037B1 EP3276037B1 (fr)	2021-04-07

Family

ID=56978131

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP16767930.7A Active EP3276037B1 (fr)	2015-03-23	2016-02-19	Procédé de fabrication de tôle d'acier galvanisée par immersion à chaud

Country Status (6)

Country	Link
EP (1)	EP3276037B1 (fr)
JP (1)	JP6008007B2 (fr)
KR (1)	KR102026708B1 (fr)
CN (1)	CN107429374B (fr)
MX (1)	MX373025B (fr)
WO (1)	WO2016152018A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6439654B2 (ja) *	2015-10-27	2018-12-19	Ｊｆｅスチール株式会社	溶融亜鉛めっき鋼板の製造方法
MX2019004791A (es)	2016-10-25	2019-07-01	Jfe Steel Corp	Metodo para la fabricacion de lamina de acero galvanizada de alta resistencia.
KR102267952B1 (ko) *	2017-04-27	2021-06-21	제이에프이 스틸 가부시키가이샤	합금화 용융 아연 도금 강판의 제조 방법 및 연속 용융 아연 도금 장치
JP6822934B2 (ja) *	2017-10-26	2021-01-27	株式会社神戸製鋼所	溶融亜鉛めっき鋼板の製造方法
CN109722516B (zh) *	2019-02-01	2020-07-17	北京钢研新冶工程设计有限公司	一种快速调控退火炉内气体露点的装置及方法
CN111321364A (zh) *	2020-03-31	2020-06-23	无锡聚永丰环保科技有限公司	一种镀锌钢丝高效镀锌装置
CN111304424A (zh) *	2020-04-27	2020-06-19	唐山曹妃甸区首燕机械有限公司	一种炉鼻子加湿器
CN112481484B (zh) *	2020-11-10	2022-04-01	马鞍山钢铁股份有限公司	一种不同合金成分热镀锌产品的露点自适应控制方法
KR20230162110A (ko) *	2021-05-06	2023-11-28	제이에프이 스틸 가부시키가이샤	연속 어닐링로의 노점 제어 방법, 강판의 연속 어닐링 방법, 강판의 제조 방법, 연속 어닐링로, 연속 용융 아연 도금 설비 및 합금화 용융 아연 도금 설비
CN115287567A (zh) *	2022-08-04	2022-11-04	江阴市华达机械科技有限公司	一种炉鼻子加湿系统

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Publication number	Priority date	Publication date	Assignee	Title
JP2008275185A (ja) *	2007-04-25	2008-11-13	Taiyo Nippon Sanso Corp	加湿ガス供給方法
US20090123651A1 (en) *	2005-10-14	2009-05-14	Nobuyoshi Okada	Continuous Annealing and Hot Dip Plating Method and Continuous Annealing and Hot Dip Plating System of Steel sheet Containing Si
WO2014132638A1 (fr) *	2013-03-01	2014-09-04	Ｊｆｅスチール株式会社	Procédé permettant de fabriquer une tôle d'acier galvanisée par immersion à chaud et dispositif de galvanisation par immersion à chaud en continu

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JP2000290762A (ja) *	1999-04-07	2000-10-17	Kawasaki Steel Corp	溶融めっき鋼板の製造方法
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JP5000116B2 (ja) *	2005-09-29	2012-08-15	新日本製鐵株式会社	鋼帯連続処理設備における均熱炉操業方法
JP5834775B2 (ja) *	2011-10-31	2015-12-24	Ｊｆｅスチール株式会社	連続溶融亜鉛めっき鋼板の製造設備及び製造方法
CN102776460B (zh) *	2012-03-19	2013-12-04	江苏大力神科技股份有限公司	一种薄钢带热镀锌的生产方法
JP5742950B2 (ja) *	2012-04-09	2015-07-01	Ｊｆｅスチール株式会社	焼鈍炉内雰囲気ガスの露点低減方法、その装置及び冷延焼鈍鋼板の製造方法
EP2927342A4 (fr) *	2012-12-04	2016-01-06	Jfe Steel Corp	Installation et procédé de fabrication d'une tôle d'acier galvanisée à chaud en continu

2015
- 2015-03-23 JP JP2015060139A patent/JP6008007B2/ja active Active
2016
- 2016-02-19 CN CN201680017349.3A patent/CN107429374B/zh active Active
- 2016-02-19 EP EP16767930.7A patent/EP3276037B1/fr active Active
- 2016-02-19 KR KR1020177025773A patent/KR102026708B1/ko active Active
- 2016-02-19 MX MX2017012192A patent/MX373025B/es active IP Right Grant
- 2016-02-19 WO PCT/JP2016/000899 patent/WO2016152018A1/fr active Application Filing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20090123651A1 (en) *	2005-10-14	2009-05-14	Nobuyoshi Okada	Continuous Annealing and Hot Dip Plating Method and Continuous Annealing and Hot Dip Plating System of Steel sheet Containing Si
JP2008275185A (ja) *	2007-04-25	2008-11-13	Taiyo Nippon Sanso Corp	加湿ガス供給方法
WO2014132638A1 (fr) *	2013-03-01	2014-09-04	Ｊｆｅスチール株式会社	Procédé permettant de fabriquer une tôle d'acier galvanisée par immersion à chaud et dispositif de galvanisation par immersion à chaud en continu

Also Published As

Publication number	Publication date
CN107429374B (zh)	2020-01-14
JP6008007B2 (ja)	2016-10-19
MX2017012192A (es)	2017-12-15
WO2016152018A1 (fr)	2016-09-29
KR20170117522A (ko)	2017-10-23
CN107429374A (zh)	2017-12-01
JP2016180137A (ja)	2016-10-13
MX373025B (es)	2020-05-27
EP3276037A1 (fr)	2018-01-31
KR102026708B1 (ko)	2019-09-30
EP3276037B1 (fr)	2021-04-07

Publication	Publication Date	Title
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EP3276037A4 (fr)	2018-03-21	Appareil de galvanisation par immersion à chaud en continu et procédé de fabrication de tôle d'acier galvanisée par immersion à chaud
EP3309273A4 (fr)	2018-12-26	Tôle d'acier recuite par galvanisation et procédé permettant de fabriquer cette dernière
EP3623492A4 (fr)	2020-07-15	Procédé de fabrication de tôle d'acier galvanisée à chaud
EP3216886A4 (fr)	2018-04-11	Tôle d'acier galvanisée par immersion à chaud
EP3144406A4 (fr)	2017-03-22	Feuille d'acier laminé à froid de résistance élévée présentant une excellente ductilité, feuille d'acier galvanisé zingué au feu et son procédé de fabrication
EP3231887A4 (fr)	2017-11-22	Tôle d'acier obtenue par galvanisation à chaud à très haute résistance présentant une excellente qualité de surface et une excellente adhérence du revêtement, et son procédé de fabrication
EP3399062A4 (fr)	2018-11-07	Tôle en acier à haute résistance, tôle en acier galvanisé à haute résistance, et procédé de fabrication associé
SG11202011636UA (en)	2020-12-30	Zn-Al-Mg-BASED HOT-DIP PLATED STEEL SHEET AND MANUFACTURING METHOD THEREOF
EP3272906A4 (fr)	2018-12-05	Tôle d'acier galvanisée par immersion à chaud
EP3216887A4 (fr)	2018-04-25	Tôle d'acier galvanisée par immersion à chaud
EP3318652A4 (fr)	2018-12-19	Tôle d'acier laminée à froid de haute résistance, tôle d'acier galvanisée de haute résistance et tôle d'acier recuite après galvanisation de haute résistance
EP3187607A4 (fr)	2017-11-22	Tôle d'acier haute résistance galvanisée à chaud au trempé ayant une excellente aptitude à l'étirement des bords, une excellente stabilité dans le plan de l'aptitude à l'étirement des bords ainsi qu'une excellente aptitude au pliage, et son procédé de production
EP3159420A4 (fr)	2017-07-26	Procédé et appareil de fabrication de tôle d'acier haute résistance galvanisée à chaud au trempé
HUE048789T2 (hu)	2020-08-28	Melegen horganyozó berendezés és melegen horganyozó eljárás
EP3106528A4 (fr)	2017-03-01	Feuille d'acier galvanisée par immersion à chaud de haute résistance, et procédé de fabrication de feuille d'acier galvanisée par immersion à chaud, alliée, à haute résistance
EP3216891A4 (fr)	2018-04-18	Tôle d'acier galvanisée par immersion à chaud
EP3205741A4 (fr)	2017-08-30	Procédé de métallisation par immersion à chaud en continu, bande d'acier zinguée par immersion à chaud et matériel de métallisation par immersion à chaud en continu
EP3257961A4 (fr)	2017-12-20	Tôle d'acier galvanisée par immersion à chaud à haute résistance et procédé de fabrication s'y rapportant
EP3138931A4 (fr)	2017-05-03	Procédé de fabrication de tôle d'acier galvanisée par immersion à chaud de résistance élevée
EP3382049A4 (fr)	2018-10-03	Procédé pour la fabrication de tôle d'acier galvanisée par immersion à chaud à haute résistance, procédé pour la fabrication de plaque d'acier laminée à chaud pour tôle d'acier galvanisée par immersion à chaud à haute résistance, procédé pour la fabrication de plaque d'acier laminée à froid pour tôle d'acier galvanisée par immersion à chaud à haute résistance et tôle d'acier galvanisée par immersion à chaud à haute résistance
EP3103892A4 (fr)	2017-03-01	Tôle d'acier allié galvanisé par immersion à chaud et son procédé de production

Legal Events

Date	Code	Title	Description
2017-10-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2017-12-29	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
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