EP3705595A4 - NON-MAGNETIC AUSTENITIC STAINLESS STEEL WITH IMPROVED SURFACE STRENGTH AND CONDUCTIVITY - Google Patents
NON-MAGNETIC AUSTENITIC STAINLESS STEEL WITH IMPROVED SURFACE STRENGTH AND CONDUCTIVITY Download PDFInfo
- Publication number
- EP3705595A4 EP3705595A4 EP18890862.8A EP18890862A EP3705595A4 EP 3705595 A4 EP3705595 A4 EP 3705595A4 EP 18890862 A EP18890862 A EP 18890862A EP 3705595 A4 EP3705595 A4 EP 3705595A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- austenitic stainless
- improved strength
- surface conductivity
- magnetic austenitic
- 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
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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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)
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 (ko) | 2017-12-20 | 2018-10-05 | 강도, 표면전도성이 향상된 비자성 오스테나이트계 스테인리스강 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3705595A1 EP3705595A1 (en) | 2020-09-09 |
EP3705595A4 true EP3705595A4 (en) | 2020-09-09 |
Family
ID=66993626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18890862.8A Pending EP3705595A4 (en) | 2017-12-20 | 2018-10-05 | NON-MAGNETIC AUSTENITIC STAINLESS STEEL WITH IMPROVED SURFACE STRENGTH AND CONDUCTIVITY |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200370154A1 (zh) |
EP (1) | EP3705595A4 (zh) |
JP (1) | JP6983321B2 (zh) |
KR (1) | KR102020507B1 (zh) |
CN (1) | CN111492081B (zh) |
WO (1) | WO2019124689A1 (zh) |
Citations (5)
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 (en) * | 2014-03-28 | 2015-09-30 | Outokumpu Oyj | Austenitic stainless steel |
Family Cites Families (13)
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 IP Right Grant
-
2018
- 2018-10-05 EP EP18890862.8A patent/EP3705595A4/en active Pending
- 2018-10-05 US US16/770,244 patent/US20200370154A1/en not_active Abandoned
- 2018-10-05 WO PCT/KR2018/011762 patent/WO2019124689A1/ko unknown
- 2018-10-05 CN CN201880081802.6A patent/CN111492081B/zh active Active
- 2018-10-05 JP JP2020532876A patent/JP6983321B2/ja active Active
Patent Citations (5)
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 (en) * | 2014-03-28 | 2015-09-30 | Outokumpu Oyj | Austenitic stainless steel |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019124689A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2021507103A (ja) | 2021-02-22 |
JP6983321B2 (ja) | 2021-12-17 |
KR102020507B1 (ko) | 2019-09-10 |
EP3705595A1 (en) | 2020-09-09 |
US20200370154A1 (en) | 2020-11-26 |
CN111492081A (zh) | 2020-08-04 |
KR20190074873A (ko) | 2019-06-28 |
CN111492081B (zh) | 2021-11-19 |
WO2019124689A1 (ko) | 2019-06-27 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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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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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20200602 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20200713 |
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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 |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO HOLDINGS INC. |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO CO., LTD |