EP3647446A4 - Fil d'acier à haute résistance - Google Patents

Fil d'acier à haute résistance Download PDF

Info

Publication number
EP3647446A4
EP3647446A4 EP18824446.1A EP18824446A EP3647446A4 EP 3647446 A4 EP3647446 A4 EP 3647446A4 EP 18824446 A EP18824446 A EP 18824446A EP 3647446 A4 EP3647446 A4 EP 3647446A4
Authority
EP
European Patent Office
Prior art keywords
steel wire
strength steel
strength
wire
steel
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.)
Withdrawn
Application number
EP18824446.1A
Other languages
German (de)
English (en)
Other versions
EP3647446A1 (fr
Inventor
Makoto Okonogi
Naoki Matsui
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.)
Nippon Steel Corp
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 EP3647446A1 publication Critical patent/EP3647446A1/fr
Publication of EP3647446A4 publication Critical patent/EP3647446A4/fr
Withdrawn legal-status Critical Current

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
    • C22C38/18Ferrous 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
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C22C38/02Ferrous 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
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224Two or more thermal pretreatments
    • 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
    • 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
    • C23C2/34Hot-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
    • C23C2/38Wires; Tubes
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/009Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
EP18824446.1A 2017-06-30 2018-06-29 Fil d'acier à haute résistance Withdrawn EP3647446A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017128871 2017-06-30
PCT/JP2018/024904 WO2019004454A1 (fr) 2017-06-30 2018-06-29 Fil d'acier à haute résistance

Publications (2)

Publication Number Publication Date
EP3647446A1 EP3647446A1 (fr) 2020-05-06
EP3647446A4 true EP3647446A4 (fr) 2021-02-17

Family

ID=64741602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18824446.1A Withdrawn EP3647446A4 (fr) 2017-06-30 2018-06-29 Fil d'acier à haute résistance

Country Status (5)

Country Link
EP (1) EP3647446A4 (fr)
JP (1) JP6485612B1 (fr)
KR (1) KR20200016289A (fr)
CN (1) CN110832096A (fr)
WO (1) WO2019004454A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7440758B2 (ja) * 2020-03-30 2024-02-29 日本製鉄株式会社 線材及び鋼線
JP2021161444A (ja) * 2020-03-30 2021-10-11 日本製鉄株式会社 伸線加工用鋼線材
JP2021161445A (ja) * 2020-03-30 2021-10-11 日本製鉄株式会社 鋼線材
JP2021161451A (ja) * 2020-03-30 2021-10-11 日本製鉄株式会社 伸線加工用鋼線材
CN112458356B (zh) * 2020-10-15 2022-02-01 中天钢铁集团有限公司 一种1860MPa级桥梁缆索镀锌钢丝用φ14mm盘条及制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2062991A1 (fr) * 2007-01-31 2009-05-27 Nippon Steel Corporation Fil d'acier plaqué pour pws présentant une excellente propriété de torsion et son procédé de fabrication
EP2447389A1 (fr) * 2009-06-25 2012-05-02 Nippon Steel Corporation Câble d'acier zingué et aluminé à haute résistance pour ponts qui présente une excellente résistance à la corrosion et d'excellentes caractéristiques de fatigue, et procédé de fabrication de ce câble
EP3015563A1 (fr) * 2013-06-24 2016-05-04 Nippon Steel & Sumitomo Metal Corporation Fil-machine en acier à forte teneur en carbone et procédé pour sa fabrication

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169839A (ja) 1974-12-12 1976-06-16 Giken Sangyo Kk Jidoshanohijokeihosochi
JP2553612B2 (ja) 1988-02-25 1996-11-13 新日本製鐵株式会社 高強度高靭性亜鉛めっき鋼線の製造法
JP2553612Y2 (ja) 1992-08-26 1997-11-12 藤倉ゴム工業株式会社 ゴルフクラブシャフト
JP3725576B2 (ja) 1995-04-26 2005-12-14 新日本製鐵株式会社 高強度亜鉛めっき鋼線の製造方法
JP3130445B2 (ja) 1995-04-26 2001-01-31 新日本製鐵株式会社 高強度亜鉛めっき鋼線及びその製造方法
JP2000297323A (ja) * 1999-04-13 2000-10-24 Sumitomo Electric Ind Ltd 高靭性鋼線の製造方法
JP3984393B2 (ja) 1999-05-27 2007-10-03 新日本製鐵株式会社 デラミネーションの発生しない高張力鋼線およびその製造方法
JP3130445U (ja) 2006-12-25 2007-03-29 孝志 雄川 透明粘着ラベル
MX2011008034A (es) * 2010-02-01 2011-10-05 Nippon Steel Corp Varilla de alambre, alambre de acero, y metodo de fabricacion de los mismos.
CN106414786B (zh) * 2014-06-04 2019-01-08 新日铁住金株式会社 钢线
EP3181713B1 (fr) * 2014-08-15 2019-05-01 Nippon Steel & Sumitomo Metal Corporation Fil d'acier pour tréfilage
EP3366802A4 (fr) * 2015-10-23 2019-05-15 Nippon Steel & Sumitomo Metal Corporation Fil d'acier pour tréfilage
JP6675204B2 (ja) 2016-01-19 2020-04-01 大成建設株式会社 柱主筋の定着構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2062991A1 (fr) * 2007-01-31 2009-05-27 Nippon Steel Corporation Fil d'acier plaqué pour pws présentant une excellente propriété de torsion et son procédé de fabrication
EP2447389A1 (fr) * 2009-06-25 2012-05-02 Nippon Steel Corporation Câble d'acier zingué et aluminé à haute résistance pour ponts qui présente une excellente résistance à la corrosion et d'excellentes caractéristiques de fatigue, et procédé de fabrication de ce câble
EP3015563A1 (fr) * 2013-06-24 2016-05-04 Nippon Steel & Sumitomo Metal Corporation Fil-machine en acier à forte teneur en carbone et procédé pour sa fabrication

Also Published As

Publication number Publication date
JPWO2019004454A1 (ja) 2019-06-27
CN110832096A (zh) 2020-02-21
EP3647446A1 (fr) 2020-05-06
JP6485612B1 (ja) 2019-03-20
KR20200016289A (ko) 2020-02-14
WO2019004454A1 (fr) 2019-01-03

Similar Documents

Publication Publication Date Title
EP3575433A4 (fr) Matériau d'acier plaqué
EP3575434A4 (fr) Matériau d'acier plaqué
EP3181713A4 (fr) Fil d'acier pour tréfilage
EP3420115A4 (fr) Acier patinable
EP3524707A4 (fr) Matériau en acier
EP3647446A4 (fr) Fil d'acier à haute résistance
EP3608433A4 (fr) Tuyau en acier soudé par cordon vertical
EP3492616A4 (fr) Fil d'acier à haute résistance
EP3243972A4 (fr) Fil torsadé en acier pc revêtu
EP3222742B8 (fr) Barre en acier laminé ou matériau de fil laminé destiné à un composant forgé à froid
EP3366802A4 (fr) Fil d'acier pour tréfilage
EP3150738A4 (fr) Matériau de fil d'acier
EP3330394A4 (fr) Tôle d'acier laminée à chaud à résistance élevée
EP3486345A4 (fr) Fil d'acier
EP3222743A4 (fr) Barre d'acier laminé ou matériau laminé filaire pour élément forgé à froid
EP3165625A4 (fr) Matériau de fil pour fil d'acier, et fil d'acier
EP3279355A4 (fr) Fil d'acier pour pièces de construction mécanique
EP3640355A4 (fr) Alliage hautement résistant à base d'aluminium
EP3396002A4 (fr) Composant en acier
EP3481972A4 (fr) Acier à haute limite d'élasticité
EP3492610A4 (fr) Tôle d'acier à haute résistance
EP3103891A4 (fr) Fil d'acier
ZA201801009B (en) High-strength pc steel wire
HUE045545T2 (hu) Nagyszilárdságú szálacél
EP3456876A4 (fr) Câble métallique

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: 20200130

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

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20210119

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/12 20060101ALI20210113BHEP

Ipc: C22C 38/00 20060101AFI20210113BHEP

Ipc: C22C 38/54 20060101ALI20210113BHEP

Ipc: C22C 38/02 20060101ALI20210113BHEP

Ipc: C22C 38/18 20060101ALI20210113BHEP

Ipc: C22C 38/04 20060101ALI20210113BHEP

Ipc: C21D 9/52 20060101ALI20210113BHEP

Ipc: C21D 8/06 20060101ALI20210113BHEP

Ipc: C22C 38/06 20060101ALI20210113BHEP

Ipc: C22C 38/08 20060101ALI20210113BHEP

Ipc: C23C 2/06 20060101ALI20210113BHEP

Ipc: C22C 38/14 20060101ALI20210113BHEP

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20210817