EP4035787A4 - Method for rolling super austenitic stainless steel - Google Patents
Method for rolling super austenitic stainless steel Download PDFInfo
- Publication number
- EP4035787A4 EP4035787A4 EP20866991.1A EP20866991A EP4035787A4 EP 4035787 A4 EP4035787 A4 EP 4035787A4 EP 20866991 A EP20866991 A EP 20866991A EP 4035787 A4 EP4035787 A4 EP 4035787A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- austenitic stainless
- super austenitic
- rolling super
- rolling
- 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
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005096 rolling process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
-
- 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
-
- 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
- C21D8/0242—Flattening; Dressing; Flexing
-
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Control Of Metal Rolling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910902611.8A CN110773565B (en) | 2019-09-23 | 2019-09-23 | Method for rolling super austenitic stainless steel |
PCT/CN2020/096958 WO2021057117A1 (en) | 2019-09-23 | 2020-06-19 | Method for rolling super austenitic stainless steel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4035787A1 EP4035787A1 (en) | 2022-08-03 |
EP4035787A4 true EP4035787A4 (en) | 2022-11-02 |
Family
ID=69383748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20866991.1A Pending EP4035787A4 (en) | 2019-09-23 | 2020-06-19 | Method for rolling super austenitic stainless steel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4035787A4 (en) |
CN (1) | CN110773565B (en) |
WO (1) | WO2021057117A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110773565B (en) * | 2019-09-23 | 2021-08-10 | 南京钢铁股份有限公司 | Method for rolling super austenitic stainless steel |
CN111389914B (en) * | 2020-03-02 | 2022-03-25 | 北京鼎新时代科技有限公司 | Production method of super austenite 904L stainless steel plate strip |
CN111389913A (en) * | 2020-03-17 | 2020-07-10 | 江苏甬金金属科技有限公司 | Manufacturing method of austenitic stainless steel foil for flexible product |
CN112658030A (en) * | 2020-12-03 | 2021-04-16 | 南京钢铁股份有限公司 | Rolling method of wide and thin high-nickel-molybdenum austenitic stainless steel plate |
CN113560344B (en) * | 2021-06-29 | 2022-12-16 | 鞍钢股份有限公司 | Production method of medium plate of austenitic stainless steel |
CN114042773B (en) * | 2021-10-18 | 2023-06-23 | 山西太钢不锈钢股份有限公司 | Method for improving tissue uniformity of stainless steel super-thick plate |
CN115383408A (en) * | 2022-09-09 | 2022-11-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Rolling process of high-manganese non-magnetic steel |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104275350A (en) * | 2014-08-06 | 2015-01-14 | 振石集团东方特钢股份有限公司 | Rolling method of heat-resistant austenitic stainless steel |
CN107419194A (en) * | 2017-06-29 | 2017-12-01 | 振石集团东方特钢有限公司 | A kind of processing method of super austenitic stainless steel coiled sheet |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003041352A (en) * | 2001-05-25 | 2003-02-13 | Sumitomo Metal Ind Ltd | Hot-rolled stainless steel sheet and manufacturing method therefor |
JP2006281298A (en) * | 2005-04-04 | 2006-10-19 | Sanyo Special Steel Co Ltd | Bloom rolling method of austenitic stainless steel |
CN103286128B (en) * | 2013-05-30 | 2015-05-20 | 山西太钢不锈钢股份有限公司 | Super duplex stainless steel S32750 medium plate rolling process |
CN107641698B (en) * | 2016-07-22 | 2019-09-17 | 宝钢特钢有限公司 | The manufacturing method of super austenitic stainless steel cold-rolled strip |
CN107716584B (en) * | 2017-09-18 | 2020-11-20 | 浦项(张家港)不锈钢股份有限公司 | Production method of super austenite 904L stainless steel plate strip |
CN108787751B (en) * | 2018-05-21 | 2020-02-07 | 南京钢铁股份有限公司 | Production control method for wide-width thin-specification super stainless steel plate coil of single-stand steckel mill |
CN108838216A (en) * | 2018-06-29 | 2018-11-20 | 首钢京唐钢铁联合有限责任公司 | Control method for raising head of plate blank |
CN110066957A (en) * | 2019-05-17 | 2019-07-30 | 国家电投集团科学技术研究院有限公司 | Corrosion-resistant super austenitic stainless steel of modified and preparation method thereof |
CN110773565B (en) * | 2019-09-23 | 2021-08-10 | 南京钢铁股份有限公司 | Method for rolling super austenitic stainless steel |
-
2019
- 2019-09-23 CN CN201910902611.8A patent/CN110773565B/en active Active
-
2020
- 2020-06-19 WO PCT/CN2020/096958 patent/WO2021057117A1/en unknown
- 2020-06-19 EP EP20866991.1A patent/EP4035787A4/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104275350A (en) * | 2014-08-06 | 2015-01-14 | 振石集团东方特钢股份有限公司 | Rolling method of heat-resistant austenitic stainless steel |
CN107419194A (en) * | 2017-06-29 | 2017-12-01 | 振石集团东方特钢有限公司 | A kind of processing method of super austenitic stainless steel coiled sheet |
Also Published As
Publication number | Publication date |
---|---|
EP4035787A1 (en) | 2022-08-03 |
CN110773565A (en) | 2020-02-11 |
KR20220061151A (en) | 2022-05-12 |
CN110773565B (en) | 2021-08-10 |
WO2021057117A1 (en) | 2021-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4035787A4 (en) | Method for rolling super austenitic stainless steel | |
EP3862452A4 (en) | Austenitic stainless steel sheet and method for producing same | |
EP3549760A4 (en) | Rolled composite steel plate of super austenitic stainless steel and manufacturing method therefor | |
EP3690072A4 (en) | Oil well pipe martensitic stainless seamless steel pipe and production method for same | |
EP3865601A4 (en) | Nonmagnetic austenitic stainless steel and manufacturing method therefor | |
EP4067525A4 (en) | Carbon steel and austenitic stainless steel rolling clad plate and manufacturing method therefor | |
EP3358030A4 (en) | Austenitic stainless steel and method for producing austenitic stainless steel | |
EP3533892A4 (en) | Seamless pipe of martensitic stainless steel for oil well pipe, and method for producing seamless pipe | |
EP3385403A4 (en) | High strength stainless steel seamless pipe for oil well and manufacturing method therefor | |
EP3767000A4 (en) | Martensitic stainless steel seamless steel tube for oil well pipes, and method for producing same | |
EP3770289A4 (en) | Wear-resistant steel and method for producing same | |
EP3690074A4 (en) | Oil well pipe martensitic stainless seamless steel pipe and production method for same | |
EP3690073A4 (en) | Oil well pipe martensitic stainless seamless steel pipe and production method for same | |
EP3683324A4 (en) | Austenitic stainless steel and method for producing same | |
EP3845680A4 (en) | Seamless martensite stainless steel tube for oil well pipes, and method for manufacturing same | |
EP4015669A4 (en) | Hic-resistant and large deformation-resistant pipeline steel and preparation method therefor | |
EP3865600A4 (en) | High-strength nonmagnetic austenitic stainless steel and manufacturing method therefor | |
EP3805417A4 (en) | Ferritic stainless steel sheet and method for producing same | |
EP2787090A4 (en) | Method for rolling/drawing nickel-free high-nitrogen stainless steel material, nickel-free high-nitrogen stainless steel seamless thin pipe, and method for producing same | |
EP4006177A4 (en) | Martensitic stainless steel pipe, and method for manufacturing martensitic stainless steel pipe | |
HUE052103T2 (en) | Hot-rolled steel & method for manufacturing hot-rolled steel | |
EP3960885A4 (en) | Two-phase stainless seamless steel pipe and method for producing two-phase stainless seamless steel pipe | |
EP4119697A4 (en) | Ferritic stainless steel and method for manufacturing same | |
EP3603849A4 (en) | Method for producing austenite stainless steel slab | |
EP4098765A4 (en) | Highly anticorrosive martensitic stainless steel, and manufacturing method therefor |
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: 20220422 |
|
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 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220929 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B21B 37/00 20060101ALI20220923BHEP Ipc: B21B 1/00 20060101ALI20220923BHEP Ipc: C22C 38/00 20060101ALI20220923BHEP Ipc: C21D 9/46 20060101ALI20220923BHEP Ipc: C21D 8/02 20060101ALI20220923BHEP Ipc: B21B 45/00 20060101ALI20220923BHEP Ipc: B21B 1/38 20060101AFI20220923BHEP |
|
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: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20230607 |
|
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 |