EP3705595A4 - Acier inoxydable austénitique non magnétique ayant une résistance et une conductivité de surface améliorées - Google Patents

Acier inoxydable austénitique non magnétique ayant une résistance et une conductivité de surface améliorées Download PDF

Info

Publication number: EP3705595A4
Authority: EP; European Patent Office
Prior art keywords: stainless steel; austenitic stainless; improved strength; surface conductivity; magnetic austenitic
Prior art date: 2017-12-20
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

EP18890862.8A

Other languages

German (de)

English (en)

Other versions

EP3705595A1 (fr

Inventor

Jong-Hee Kim

Kwang Min Kim

Bo-Sung Seo

Hak Kim

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.)

Posco Holdings Inc

Original Assignee

Posco 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.)

2017-12-20

Filing date

2018-10-05

Publication date

2020-09-09

2018-10-05 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2020-09-09 Publication of EP3705595A1 publication Critical patent/EP3705595A1/fr

2020-09-09 Publication of EP3705595A4 publication Critical patent/EP3705595A4/fr

Status Pending 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
- C22C38/04—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
- 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
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- 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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- 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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- 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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
- 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
- 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
- C22C38/001—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
- C22C38/02—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
- C22C38/18—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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP18890862.8A 2017-12-20 2018-10-05 Acier inoxydable austénitique non magnétique ayant une résistance et une conductivité de surface améliorées Pending EP3705595A4 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020170176559A KR102020507B1 (ko)	2017-12-20	2017-12-20	강도, 표면전도성이 향상된 비자성 오스테나이트계 스테인리스강
PCT/KR2018/011762 WO2019124689A1 (fr)	2017-12-20	2018-10-05	Acier inoxydable austénitique non magnétique ayant une résistance et une conductivité de surface améliorées

Publications (2)

Publication Number	Publication Date
EP3705595A1 EP3705595A1 (fr)	2020-09-09
EP3705595A4 true EP3705595A4 (fr)	2020-09-09

Family

ID=66993626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18890862.8A Pending EP3705595A4 (fr)	2017-12-20	2018-10-05	Acier inoxydable austénitique non magnétique ayant une résistance et une conductivité de surface améliorées

Country Status (6)

Country	Link
US (1)	US20200370154A1 (fr)
EP (1)	EP3705595A4 (fr)
JP (1)	JP6983321B2 (fr)
KR (1)	KR102020507B1 (fr)
CN (1)	CN111492081B (fr)
WO (1)	WO2019124689A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3118064B1 (fr) *	2020-12-23	2023-12-01	Univ De Lorraine	Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces.
KR20240160404A (ko)	2023-05-02	2024-11-11	서울과학기술대학교 산학협력단	3d 프린팅을 이용한 고경도 오스테나이트계 스테인리스강의 제조 방법 및 이에 의한 고경도 오스테나이트계 스테인리스강
CN117363986A (zh) *	2023-11-15	2024-01-09	东莞市灿煜金属制品有限公司	冷变形无磁、高塑性的不锈钢及其制备方法
CN119187542B (zh) *	2024-09-19	2026-04-28	重庆大学	一种用于磁力结合3d打印的金属粉末及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3904401A (en) *	1974-03-21	1975-09-09	Carpenter Technology Corp	Corrosion resistant austenitic stainless steel
US4822556A (en) *	1987-02-26	1989-04-18	Baltimore Specialty Steels Corporation	Austenitic stainless steel combining strength and resistance to intergranular corrosion
US5094812A (en) *	1990-04-12	1992-03-10	Carpenter Technology Corporation	Austenitic, non-magnetic, stainless steel alloy
JPH07157847A (ja) *	1993-12-08	1995-06-20	Taiheiyo Kinzoku Kk	時計外装部品用材料および時計用外装部品
EP2924131A1 (fr) *	2014-03-28	2015-09-30	Outokumpu Oyj	Acier inoxydable austénitique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5891160A (ja) *	1981-11-24	1983-05-31	Sumitomo Metal Ind Ltd	連続鋳造用非磁性鋼ロ−ル及びその製造方法
JPS6313692A (ja) *	1986-07-05	1988-01-20	Kobe Steel Ltd	オ−ステナイト系ステンレス鋼溶接用ワイヤ
JPH09195007A (ja) *	1996-01-19	1997-07-29	Kawasaki Steel Corp	耐食性に優れたＣｒ−Ｍｎ−Ｎ系オーステナイトステンレス鋼
US5904812A (en) *	1997-06-16	1999-05-18	Kimberly-Clark Worldwide, Inc.	Calendered and embossed tissue products
DE102006033973A1 (de) *	2006-07-20	2008-01-24	Technische Universität Bergakademie Freiberg	Nichtrostender austenitischer Stahlguss und seine Verwendung
CN100554480C (zh) *	2007-10-10	2009-10-28	江苏省方通新型不锈钢制品股份有限公司	铬锰铜钼系奥氏体耐蚀耐磨不锈钢
JP5444561B2 (ja) *	2009-02-27	2014-03-19	日本冶金工業株式会社	高Ｍｎオーステナイト系ステンレス鋼と服飾用金属部品
CN101503751B (zh) *	2009-03-26	2010-06-16	张国宝	卡电水浴钢丝淬火热处理方法
CN103667947B (zh) *	2013-11-29	2016-03-30	江阴市恒润重工股份有限公司	无镍奥化体不锈钢的制造工艺
JP6560881B2 (ja) *	2015-03-26	2019-08-14	日鉄ステンレス株式会社	極低透磁率ステンレス鋼線材、ならびに耐久性に優れる鋼線、異形線
EP3147378A1 (fr) *	2015-09-25	2017-03-29	The Swatch Group Research and Development Ltd.	Acier inoxydable austénitique sans nickel
CN105839022B (zh) *	2016-03-31	2021-04-09	宝钢德盛不锈钢有限公司	一种高硬度无磁无镍不锈钢及其制造方法
CN106399854B (zh) *	2016-06-23	2018-10-02	宝山钢铁股份有限公司	抗应力腐蚀开裂优良的高锰非磁性钢板及其制造方法

2017
- 2017-12-20 KR KR1020170176559A patent/KR102020507B1/ko active Active
2018
- 2018-10-05 JP JP2020532876A patent/JP6983321B2/ja active Active
- 2018-10-05 CN CN201880081802.6A patent/CN111492081B/zh active Active
- 2018-10-05 WO PCT/KR2018/011762 patent/WO2019124689A1/fr not_active Ceased
- 2018-10-05 EP EP18890862.8A patent/EP3705595A4/fr active Pending
- 2018-10-05 US US16/770,244 patent/US20200370154A1/en not_active Abandoned

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3904401A (en) *	1974-03-21	1975-09-09	Carpenter Technology Corp	Corrosion resistant austenitic stainless steel
US4822556A (en) *	1987-02-26	1989-04-18	Baltimore Specialty Steels Corporation	Austenitic stainless steel combining strength and resistance to intergranular corrosion
US5094812A (en) *	1990-04-12	1992-03-10	Carpenter Technology Corporation	Austenitic, non-magnetic, stainless steel alloy
JPH07157847A (ja) *	1993-12-08	1995-06-20	Taiheiyo Kinzoku Kk	時計外装部品用材料および時計用外装部品
EP2924131A1 (fr) *	2014-03-28	2015-09-30	Outokumpu Oyj	Acier inoxydable austénitique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019124689A1 *

Also Published As

Publication number	Publication date
WO2019124689A1 (fr)	2019-06-27
EP3705595A1 (fr)	2020-09-09
KR20190074873A (ko)	2019-06-28
CN111492081A (zh)	2020-08-04
US20200370154A1 (en)	2020-11-26
CN111492081B (zh)	2021-11-19
JP2021507103A (ja)	2021-02-22
KR102020507B1 (ko)	2019-09-10
JP6983321B2 (ja)	2021-12-17

Legal Events

Date	Code	Title	Description
2019-06-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-08-07	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
2020-08-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-09-09	17P	Request for examination filed	Effective date: 20200602
2020-09-09	A4	Supplementary search report drawn up and despatched	Effective date: 20200713
2020-09-09	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
2020-09-09	AX	Request for extension of the european patent	Extension state: BA ME
2021-03-31	DAV	Request for validation of the european patent (deleted)
2021-03-31	DAX	Request for extension of the european patent (deleted)
2022-11-23	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO HOLDINGS INC.
2023-02-08	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO CO., LTD

Publication	Publication Date	Title
IL290809B1 (en)	2023-09-01	Tau-protein targeted protacs and related methods of use
EP3191612A4 (fr)	2018-01-24	Acier inoxydable austénitique à résistance élevée et son procédé de production
EP3133179B8 (fr)	2019-09-11	Tôle d'acier inoxydable austénitique et son procédé de production
EP3239341A4 (fr)	2018-10-31	Acier inoxydable austénitique présentant une excellente flexibilité
EP3321389A4 (fr)	2018-05-16	Tube sans soudure en acier inoxydable à résistance élevée et son procédé de fabrication
EP3234209A4 (fr)	2018-07-18	Alliages ferreux tenaces et résistants à l'usure contenant de multiples phases dures
EP3184662A4 (fr)	2018-03-21	Tôle d'acier inoxydable austénitique et joint métallique
EP3034642A4 (fr)	2017-04-26	Acier inoxydable martensitique ayant une excellente résistance à l'usure et une excellente résistance à la corrosion, et procédé pour sa production
EP3121304A4 (fr)	2017-04-26	Acier inoxydable à base de ferrite et procédé de production s'y rapportant
ZA201606617B (en)	2018-05-30	Austenitic stainless steel
SG11201702136YA (en)	2017-04-27	Austenitic stainless steel sheet and method for manufacturing the same
EP3339459A4 (fr)	2019-03-20	Matériau d'acier inoxydable à base de ferrite doté de propriétés d'amortissement, et procédé de fabrication de celui-ci
EP3178958A4 (fr)	2018-03-21	Acier inoxydable austénitique
EP3138934A4 (fr)	2018-01-03	Feuille en acier inoxydable martensitique et joint d'étanchéité métallique
EP3176280A4 (fr)	2017-10-04	Acier inoxydable ferritique et son procédé de production
PL3322830T3 (pl)	2020-08-24	Martenzytyczna stal nierdzewna
EP3822384B8 (fr)	2023-02-22	Acier inoxydable austénitique ayant une résistance améliorée
EP3287536A4 (fr)	2018-02-28	Acier inoxydable martensitique
SG11202000654VA (en)	2020-02-27	Contact probe and probe unit
EP3395989A4 (fr)	2018-11-14	Matériau en acier austénitique présentant une excellente résistance à la fragilisation par l'hydrogène
SG11202008033RA (en)	2020-09-29	Stainless steel member and production method thereof
PL3428298T3 (pl)	2024-09-16	Folia z martenzytycznej stali nierdzewnej i sposób jej wytwarzania
EP3158098A4 (fr)	2018-01-24	Alliage d'acier inoxydable austénitique, résistant au grippage et à l'usure et exempt de cobalt destiné au rechargement dur
EP2980248A4 (fr)	2017-03-01	Matière d'acier à composant à aimantation temporaire ayant d'excellentes propriétés au décapage, composant à aimantation temporaire ayant une excellente résistance à la corrosion et d'excellentes propriétés magnétiques, et son procédé de production
EP3118341A4 (fr)	2017-05-03	Acier inoxydable ferritique