EP3647451A4 - Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement - Google Patents

Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement Download PDF

Info

Publication number
EP3647451A4
EP3647451A4 EP18857159.0A EP18857159A EP3647451A4 EP 3647451 A4 EP3647451 A4 EP 3647451A4 EP 18857159 A EP18857159 A EP 18857159A EP 3647451 A4 EP3647451 A4 EP 3647451A4
Authority
EP
European Patent Office
Prior art keywords
steel material
fatigue characteristics
rolling fatigue
excellent rolling
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Withdrawn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
EP18857159.0A
Other languages
German (de)
English (en)
Other versions
EP3647451A1 (fr
Inventor
Koji Watari
Tatsuya Iwasaki
Junya Yamamoto
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 EP3647451A1 publication Critical patent/EP3647451A1/fr
Publication of EP3647451A4 publication Critical patent/EP3647451A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Articles (AREA)
EP18857159.0A 2017-09-13 2018-09-13 Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement Withdrawn EP3647451A4 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017176165 2017-09-13
JP2017176163 2017-09-13
JP2017176161 2017-09-13
PCT/JP2018/034008 WO2019054448A1 (fr) 2017-09-13 2018-09-13 Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement

Publications (2)

Publication Number Publication Date
EP3647451A1 EP3647451A1 (fr) 2020-05-06
EP3647451A4 true EP3647451A4 (fr) 2020-11-04

Family

ID=65723945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18857159.0A Withdrawn EP3647451A4 (fr) 2017-09-13 2018-09-13 Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement

Country Status (6)

Country Link
US (1) US20200216937A1 (fr)
EP (1) EP3647451A4 (fr)
JP (1) JP6652226B2 (fr)
KR (1) KR20200044866A (fr)
CN (1) CN111065755A (fr)
WO (1) WO2019054448A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3677699B1 (fr) * 2017-08-25 2022-02-23 Nippon Steel Corporation Matériau d'acier pour pièce cémenté
US10837488B2 (en) 2018-07-24 2020-11-17 Roller Bearing Company Of America, Inc. Roller bearing assembly for use in a fracking pump crank shaft
JP7295417B2 (ja) * 2019-08-09 2023-06-21 日本製鉄株式会社 浸炭歯車用鋼、浸炭歯車及び浸炭歯車の製造方法
CN112195414B (zh) * 2020-10-21 2021-10-29 中泽电气科技有限公司 一种配电箱用耐腐蚀不锈钢材料制备方法
CN116875901B (zh) * 2023-07-24 2024-06-18 鞍钢股份有限公司 一种疲劳性能优异的船用720MPa级钢板及制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829546A1 (fr) * 1996-03-25 1998-03-18 Kawasaki Steel Corporation Procede de production d'acier calme a l'aluminium exempt d'agglomerats
JP2005002420A (ja) * 2003-06-12 2005-01-06 Nippon Steel Corp アルミナクラスターの少ない鋼材とその製造方法
US20150191808A1 (en) * 2012-10-19 2015-07-09 Nippon Steel & Sumitomo Metal Corporation Case hardening steel with excellent fatigue properties
EP3072987A1 (fr) * 2013-11-22 2016-09-28 Nippon Steel & Sumitomo Metal Corporation Tôle en acier à teneur élevée en carbone et son procédé de production

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01279695A (ja) 1988-04-30 1989-11-09 Nec Home Electron Ltd 磁気記録再生装置
JP3796949B2 (ja) 1998-03-27 2006-07-12 Ｊｆｅスチール株式会社 軸受用鋼線材の製造方法
WO2002042508A1 (fr) * 2000-11-21 2002-05-30 Nippon Yakin Kogyo Co., Ltd. Materiau en alliage nickel-fer destine a un masque perfore parfaitement adapte a la gravure
KR100460346B1 (ko) * 2002-03-25 2004-12-08 이인성 금속간상의 형성이 억제된 내식성, 내취화성, 주조성 및열간가공성이 우수한 슈퍼 듀플렉스 스테인리스강
JP5208354B2 (ja) * 2005-04-11 2013-06-12 新日鐵住金株式会社 オーステナイト系ステンレス鋼
JP5237696B2 (ja) * 2008-06-02 2013-07-17 株式会社神戸製鋼所 機械構造用鋼
WO2011114836A1 (fr) * 2010-03-19 2011-09-22 新日本製鐵株式会社 Acier pour traitement de cémentation, composant en acier cémenté, et son procédé de production
EA022968B1 (ru) * 2010-06-08 2016-03-31 Ниппон Стил Энд Сумитомо Метал Корпорейшн Сталь для стальной трубы с превосходной стойкостью к сульфидному растрескиванию под напряжением
AT509598B1 (de) * 2010-10-18 2011-10-15 Boehler Edelstahl Gmbh & Co Kg Verfahren zur herstellung von werkzeugen aus legiertem stahl und werkzeuge insbesondere zur spanabhebenden bearbeitung von metallen
EP2716781B1 (fr) * 2011-05-25 2018-06-20 Kabushiki Kaisha Kobe Seiko Sho Acier pour roulement doté d'excellentes propriétés de fatigue sous l'effet d'un mouvement rotatif
EP2770077B1 (fr) * 2011-10-20 2019-07-10 Nippon Steel Corporation Acier à coussinets et son procédé de fabrication
JP5867262B2 (ja) * 2012-04-23 2016-02-24 新日鐵住金株式会社 耐遅れ破壊特性に優れたレール
PL2990497T3 (pl) * 2013-04-24 2018-11-30 Nippon Steel & Sumitomo Metal Corporation Czysta stal o niskiej zawartości tlenu i czysty produkt stalowy o niskiej zawartości tlenu
EP3135786B1 (fr) * 2014-04-24 2019-03-20 Nippon Steel & Sumitomo Metal Corporation Fil machine pour corde en acier de résistance élevée
JP6462376B2 (ja) * 2015-01-23 2019-01-30 株式会社神戸製鋼所 転動疲労特性に優れた軸受用鋼材および軸受部品
JP6112261B2 (ja) * 2015-03-25 2017-04-12 Ｊｆｅスチール株式会社 冷延鋼板およびその製造方法
KR102099767B1 (ko) * 2015-11-27 2020-04-10 닛폰세이테츠 가부시키가이샤 강, 침탄강 부품 및 침탄강 부품의 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829546A1 (fr) * 1996-03-25 1998-03-18 Kawasaki Steel Corporation Procede de production d'acier calme a l'aluminium exempt d'agglomerats
JP2005002420A (ja) * 2003-06-12 2005-01-06 Nippon Steel Corp アルミナクラスターの少ない鋼材とその製造方法
US20150191808A1 (en) * 2012-10-19 2015-07-09 Nippon Steel & Sumitomo Metal Corporation Case hardening steel with excellent fatigue properties
EP3072987A1 (fr) * 2013-11-22 2016-09-28 Nippon Steel & Sumitomo Metal Corporation Tôle en acier à teneur élevée en carbone et son procédé de production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019054448A1 *

Also Published As

Publication number Publication date
KR20200044866A (ko) 2020-04-29
JP6652226B2 (ja) 2020-02-19
EP3647451A1 (fr) 2020-05-06
US20200216937A1 (en) 2020-07-09
JPWO2019054448A1 (ja) 2020-03-26
WO2019054448A1 (fr) 2019-03-21
CN111065755A (zh) 2020-04-24

Similar Documents

Publication Publication Date Title
EP3575433A4 (fr) Matériau d'acier plaqué
EP3575434A4 (fr) Matériau d'acier plaqué
EP3517644A4 (fr) Tôle d'acier
EP3584348A4 (fr) Tôle d'acier à résistance élevée
EP3550047A4 (fr) Tôle d'acier à résistance mécanique élevée
EP3524707A4 (fr) Matériau en acier
EP3584347A4 (fr) Tôle d'acier
EP3647451A4 (fr) Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement
EP3597787A4 (fr) Tôle d'acier plaquée
EP3677699A4 (fr) Matériau d'acier pour élément cémenté
EP3604586A4 (fr) Tôle en acier laminée à chaud
EP3333276A4 (fr) Acier inoxydable et matériau en acier inoxydable pour puits de pétrole
EP3597786A4 (fr) Tôle d'acier plaquée
KR101882312B1 (ko) 좌굴방지 전단형 강재댐퍼
EP3591098A4 (fr) Tôle d'acier traitée en surface
EP3608433A4 (fr) Tuyau en acier soudé par cordon vertical
EP3604585A4 (fr) Tôle d'acier laminée à chaud
EP3653745A4 (fr) Tôle d'acier à haute résistance et son procédé de fabrication
EP3575425A4 (fr) Plaque d'acier
EP3575428A4 (fr) Matériau en acier et son procédé de fabrication
EP3282027A4 (fr) Matériau de fil d'acier à haute teneur en carbone présentant une excellente aptitude à l'étirage de fil et fil d'acier
EP3460088A4 (fr) Tôle d'acier
EP3467154A4 (fr) Tôle d'acier inoxydable plaquée d'étain (sn)
EP3604603A4 (fr) Tôle d'acier traitée en surface
EP3395989A4 (fr) Matériau en acier austénitique présentant une excellente résistance à la fragilisation par l'hydrogène

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: 20200128

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

A4 Supplementary search report drawn up and despatched

Effective date: 20201001

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/40 20060101ALI20200925BHEP

Ipc: C22C 38/06 20060101ALI20200925BHEP

Ipc: C22C 38/04 20060101ALI20200925BHEP

Ipc: C22C 38/02 20060101ALI20200925BHEP

Ipc: C22C 38/32 20060101ALI20200925BHEP

Ipc: C22C 38/26 20060101ALI20200925BHEP

Ipc: C21D 9/40 20060101ALN20200925BHEP

Ipc: C22C 38/22 20060101ALI20200925BHEP

Ipc: C21C 7/06 20060101ALN20200925BHEP

Ipc: C22C 38/60 20060101ALI20200925BHEP

Ipc: C22C 38/18 20060101ALI20200925BHEP

Ipc: C22C 38/20 20060101ALI20200925BHEP

Ipc: C22C 38/00 20060101AFI20200925BHEP

Ipc: C22C 38/28 20060101ALI20200925BHEP

Ipc: C22C 38/24 20060101ALI20200925BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
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: 20210501