EP4079920A4 - Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor - Google Patents

Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor Download PDF

Info

Publication number
EP4079920A4
EP4079920A4 EP19956261.2A EP19956261A EP4079920A4 EP 4079920 A4 EP4079920 A4 EP 4079920A4 EP 19956261 A EP19956261 A EP 19956261A EP 4079920 A4 EP4079920 A4 EP 4079920A4
Authority
EP
European Patent Office
Prior art keywords
zinc
aluminum
manufacturing
steel plate
method therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19956261.2A
Other languages
German (de)
French (fr)
Other versions
EP4079920A1 (en
Inventor
Xindong Wang
Jianxin Li
Jianjun Qi
Li Sun
Peng Zhang
Shuwen MEI
Jie Zhang
Qifu ZHANG
Zhigang Song
Shihong YANG
Sheming JIANG
Wentian LI
Junjie Gong
Hongwei Cao
Aiguo LIANG
Xuehui Wang
Zhennan QI
Xiao CAI
Kai Sun
Lifang YANG
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.)
Tangshan Iron and Steel Group Co Ltd
HBIS Co Ltd Tangshan Branch
HBIS Co Ltd
New Metallurgy Hi Tech Group Co Ltd
Original Assignee
Tangshan Iron and Steel Group Co Ltd
HBIS Co Ltd Tangshan Branch
HBIS Co Ltd
New Metallurgy Hi Tech Group 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 Tangshan Iron and Steel Group Co Ltd, HBIS Co Ltd Tangshan Branch, HBIS Co Ltd, New Metallurgy Hi Tech Group Co Ltd filed Critical Tangshan Iron and Steel Group Co Ltd
Publication of EP4079920A1 publication Critical patent/EP4079920A1/en
Publication of EP4079920A4 publication Critical patent/EP4079920A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06Zinc or cadmium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • C22C18/04Alloys based on zinc with aluminium as the next major constituent
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18Removing excess of molten coatings from elongated material
    • C23C2/20Strips; Plates
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • C23C2/28Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29Cooling or quenching
    • 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-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
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips
    • 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19Iron or steel
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00Electrolytic cleaning, degreasing, pickling or descaling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coating With Molten Metal (AREA)
EP19956261.2A 2019-12-19 2019-12-31 Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor Pending EP4079920A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911346137.1A CN111074187B (en) 2019-12-19 2019-12-19 Steel sheet comprising zinc-aluminium-magnesium coating and method for manufacturing same
PCT/CN2019/130630 WO2021120334A1 (en) 2019-12-19 2019-12-31 Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP4079920A1 EP4079920A1 (en) 2022-10-26
EP4079920A4 true EP4079920A4 (en) 2022-12-21

Family

ID=70317255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19956261.2A Pending EP4079920A4 (en) 2019-12-19 2019-12-31 Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor

Country Status (3)

Country Link
EP (1) EP4079920A4 (en)
CN (1) CN111074187B (en)
WO (1) WO2021120334A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112575273A (en) * 2020-10-28 2021-03-30 河钢股份有限公司 Medium-aluminum zinc-aluminum-magnesium coated steel plate with excellent coating plasticity and production method thereof
CN114000081A (en) * 2021-11-08 2022-02-01 浙江金洲管道科技股份有限公司 Galvanizing method for steel pipe for nuclear power
CN114107866B (en) * 2021-11-30 2023-08-29 马鞍山钢铁股份有限公司 Production method for eliminating black spot defect on surface of thick-gauge thick-coating coated steel plate and thick-gauge thick-coating coated steel plate
CN114990462B (en) * 2022-04-07 2024-05-10 首钢京唐钢铁联合有限责任公司 Method for controlling black line defect of thin-specification thin-coating zinc-aluminum-magnesium product

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103173707A (en) * 2013-02-20 2013-06-26 国网智能电网研究院 Hot-dipped galvanized alloy coating with high corrosion resistance for steel member and preparation process thereof
CN102268623B (en) * 2011-08-26 2014-12-10 无锡市广润金属制品有限公司 Strip steel hot-dip galvanizing technology
US20170233859A1 (en) * 2004-06-29 2017-08-17 Tata Steel Ijmuiden B.V. Steel sheet with hot dip galvanized zinc alloy coating and process to produce it
CN109536864A (en) * 2018-10-24 2019-03-29 河钢股份有限公司 High anti-corrosion zinc-aluminum-magnesium hot dip plated steel and its production method
EP3575434A1 (en) * 2017-01-27 2019-12-04 Nippon Steel Corporation Plated steel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10265926A (en) * 1997-03-25 1998-10-06 Nisshin Steel Co Ltd Production of hot dip zn-al-mg coated steel strip excellent in corrosion resistance and appearance
JP3580261B2 (en) * 2001-03-23 2004-10-20 住友金属工業株式会社 Hot-dip Zn-Al-Mg plated steel sheet and method for producing the same
JP5317516B2 (en) * 2007-04-27 2013-10-16 Jfeスチール株式会社 Surface-treated molten Zn-Al alloy-plated steel sheet
CN101545069A (en) * 2009-02-13 2009-09-30 常熟华冶薄板有限公司 Hot-dipping zinc, aluminum, silicon and magnesium rear-earth steel plate
CN101457320A (en) * 2009-01-04 2009-06-17 上海大学 Al-Zn-Mg-Si alloy for hot dipping steel
CN103361588B (en) * 2012-03-30 2016-04-06 鞍钢股份有限公司 Low aluminium low magnesium system zinc-aluminum-magnesium Coated Steel production method and Coated Steel thereof
JP5097305B1 (en) * 2012-04-25 2012-12-12 日新製鋼株式会社 Black plated steel plate
KR101376381B1 (en) * 2013-08-07 2014-03-20 동부제철 주식회사 Plating steel sheet having excellent corrosion resistance, high formability and good appearance and method for production thereof
FR3009973B1 (en) * 2013-08-30 2023-06-09 Air Liquide MATERIAL FOR PRE-COATING A METALLIC SUBSTRATE WITH A CERAMIC-BASED CATALYTIC MATERIAL
CN104419867B (en) * 2013-09-05 2016-09-07 鞍钢股份有限公司 1250MPa level superelevation strong zinc-aluminum-magnesium clad steel sheet and production method thereof
CN103834890B (en) * 2014-03-12 2016-01-20 国家电网公司 Electric power pylon and fastening piece anti-corrosion alloy coating and preparation technology
TWI568884B (en) * 2015-04-08 2017-02-01 新日鐵住金股份有限公司 Zn-al-mg based plated steel sheet and method of producing zn-al-mg based plated steel sheet
MX2019000826A (en) * 2016-07-20 2019-06-20 Tata Steel Ijmuiden Bv Method for providing a zn-al-mg coating, and such coating.
CN108118218B (en) * 2016-11-30 2019-07-23 宝山钢铁股份有限公司 A kind of hot-dip coated steel sheet and its manufacturing method that anti-cut mouth corrosive nature is excellent
WO2019009003A1 (en) * 2017-07-05 2019-01-10 Jfeスチール株式会社 MOLTEN Zn-Al-Mg PLATED STEEL SHEET WITH EXCELLENT SURFACE APPEARANCE AND PRODUCTION METHOD THEREFOR
CN108486415A (en) * 2018-04-23 2018-09-04 马钢(集团)控股有限公司 A kind of preparation method of steel plate and steel plate after dip galvanized aluminum magnesium plating solution and its hot-dip

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170233859A1 (en) * 2004-06-29 2017-08-17 Tata Steel Ijmuiden B.V. Steel sheet with hot dip galvanized zinc alloy coating and process to produce it
CN102268623B (en) * 2011-08-26 2014-12-10 无锡市广润金属制品有限公司 Strip steel hot-dip galvanizing technology
CN103173707A (en) * 2013-02-20 2013-06-26 国网智能电网研究院 Hot-dipped galvanized alloy coating with high corrosion resistance for steel member and preparation process thereof
EP3575434A1 (en) * 2017-01-27 2019-12-04 Nippon Steel Corporation Plated steel
CN109536864A (en) * 2018-10-24 2019-03-29 河钢股份有限公司 High anti-corrosion zinc-aluminum-magnesium hot dip plated steel and its production method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021120334A1 *

Also Published As

Publication number Publication date
EP4079920A1 (en) 2022-10-26
CN111074187A (en) 2020-04-28
WO2021120334A1 (en) 2021-06-24
CN111074187B (en) 2021-12-14

Similar Documents

Publication Publication Date Title
EP4079920A4 (en) Steel plate comprising zinc-aluminum-magnesium coating and manufacturing method therefor
EP3967779A4 (en) Steel sheet and method for manufacturing same
EP4012055A4 (en) High-strength thin steel sheet and method for manufacturing same
EP4043596A4 (en) Steel sheet and method for manufacturing same
EP3926057A4 (en) High-mn steel and method for manufacturing same
EP3789123A4 (en) Coating machine and coating method
EP3954790A4 (en) Steel sheet and method for manufacturing same
EP3910083A4 (en) Steel sheet and method for manufacturing same
EP4063525A4 (en) Coated steel member, coated steel sheet, and methods respectively manufacturing those
EP3889283A4 (en) High-strength steel sheet and method for manufacturing same
EP3603823A4 (en) Coated metal plate and production method therefor
EP3991857A4 (en) Primary anticorrosion coating composition, substrate with primary anticorrosion coating membrane, and manufacturing method therefor
EP3950999A4 (en) Clad steel plate and method for manufacturing same
EP3954792A4 (en) Steel sheet and production method for same
EP3910082A4 (en) Steel plate and manufacturing method thereof
EP4015661A4 (en) Steel plate, member, and method for manufacturing said steel plate and member
EP4056618A4 (en) Aliphatic polyisocyanate composition, prepararion method therefor, and coating composition
EP3943624A4 (en) High-strength steel plate and method for manufacturing same
EP3950972A4 (en) Electromagnetic steel sheet and method for manufacturing same
EP3901300A4 (en) Steel plate for can and method for producing same
EP3760763A4 (en) Sn-plated steel sheet and method for manufacturing sn-plated steel sheet
EP3951299A4 (en) Drying system and method for manufacturing coated metal plate
ZA202110168B (en) Coating method and corresponding coating installation
EP4019650A4 (en) Manufacturing facility and manufacturing method for thick steel plate
EP3924533A4 (en) Methods and systems for coating a steel substrate

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: 20220718

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

A4 Supplementary search report drawn up and despatched

Effective date: 20221117

RIC1 Information provided on ipc code assigned before grant

Ipc: C25F 1/00 20060101ALI20221111BHEP

Ipc: C22C 18/04 20060101ALI20221111BHEP

Ipc: C23C 2/20 20060101ALI20221111BHEP

Ipc: C23C 2/02 20060101ALI20221111BHEP

Ipc: C23C 2/40 20060101ALI20221111BHEP

Ipc: C23C 2/06 20060101AFI20221111BHEP

17Q First examination report despatched

Effective date: 20221208

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
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: C23C 2/28 20060101ALI20240118BHEP

Ipc: C23C 2/26 20060101ALI20240118BHEP

Ipc: C23G 1/19 20060101ALI20240118BHEP

Ipc: C25F 1/00 20060101ALI20240118BHEP

Ipc: C22C 18/04 20060101ALI20240118BHEP

Ipc: C23C 2/20 20060101ALI20240118BHEP

Ipc: C23C 2/02 20060101ALI20240118BHEP

Ipc: C23C 2/40 20060101ALI20240118BHEP

Ipc: C23C 2/06 20060101AFI20240118BHEP

INTG Intention to grant announced

Effective date: 20240206

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3