EP4015666A4 - Method for producing multi-stage structural steel blank for one steel - Google Patents
Method for producing multi-stage structural steel blank for one steel Download PDFInfo
- Publication number
- EP4015666A4 EP4015666A4 EP20863199.4A EP20863199A EP4015666A4 EP 4015666 A4 EP4015666 A4 EP 4015666A4 EP 20863199 A EP20863199 A EP 20863199A EP 4015666 A4 EP4015666 A4 EP 4015666A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- producing multi
- stage structural
- blank
- structural 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.)
- 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
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- 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
- C21C7/10—Handling in a vacuum
-
- 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
- C22C38/06—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
- C22C38/18—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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/18—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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910850212.1A CN110656285A (en) | 2019-09-10 | 2019-09-10 | Production method of steel blank with one-steel multi-stage structure |
PCT/CN2020/103544 WO2021047295A1 (en) | 2019-09-10 | 2020-07-22 | Method for producing multi-stage structural steel blank for one steel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4015666A1 EP4015666A1 (en) | 2022-06-22 |
EP4015666A4 true EP4015666A4 (en) | 2022-10-19 |
Family
ID=69036832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20863199.4A Pending EP4015666A4 (en) | 2019-09-10 | 2020-07-22 | Method for producing multi-stage structural steel blank for one steel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4015666A4 (en) |
CN (1) | CN110656285A (en) |
WO (1) | WO2021047295A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110656285A (en) * | 2019-09-10 | 2020-01-07 | 南京钢铁股份有限公司 | Production method of steel blank with one-steel multi-stage structure |
CN112795834B (en) * | 2020-11-19 | 2021-12-03 | 唐山钢铁集团有限责任公司 | Production method of medium-carbon, medium-silicon and high-aluminum dual-phase steel continuous casting billet |
CN113528939A (en) * | 2021-06-10 | 2021-10-22 | 江苏利淮钢铁有限公司 | Steel for tie rod joint in high-performance automobile steering system |
CN114369753B (en) * | 2022-01-07 | 2023-03-03 | 鞍钢股份有限公司 | Method for producing multi-strength-level alloy structural steel based on flexible rolling technology |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108531816A (en) * | 2018-05-24 | 2018-09-14 | 南京钢铁股份有限公司 | A kind of 500MPa grades of steel for engineering machinery and its manufacturing method |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000001752A (en) * | 1998-06-17 | 2000-01-07 | Nippon Steel Corp | Welded joint excellent in corrosion resistance and fatigue strength |
CN1586750A (en) * | 2004-08-20 | 2005-03-02 | 钢铁研究总院 | Rolling method for low carbon twisted steel bar |
CN101419139B (en) * | 2008-05-06 | 2010-12-01 | 首钢总公司 | Method for preventing steel plate special for flaw detection from generating hydrogen induced cracking |
JP5597006B2 (en) * | 2010-03-26 | 2014-10-01 | 新日鐵住金ステンレス株式会社 | High strength and high ductility austenitic stainless steel sheet for structural members and method for producing the same |
CN102676947B (en) * | 2012-05-17 | 2014-05-14 | 莱芜钢铁集团有限公司 | Welded structural steel and manufacturing method thereof |
CN103589954B (en) * | 2013-11-29 | 2015-07-15 | 东北大学 | Hot rolling steel plate with characteristic of multiple grades in one steel, and manufacturing method thereof |
CN104328356A (en) * | 2014-09-29 | 2015-02-04 | 南京钢铁股份有限公司 | Manufacturing method of thin-specification high-strength-structure steel plate with steckel mill |
CN106929758B (en) * | 2017-03-03 | 2018-06-19 | 唐山钢铁集团有限责任公司 | One steel multistage cold rolling low-alloy high-strength steel band and its production method |
CN107012307A (en) * | 2017-04-07 | 2017-08-04 | 荆楚理工学院 | A kind of multipotency Plate Production method that can be used as multiple classification steel plates |
CN107385324B (en) * | 2017-06-08 | 2019-02-12 | 江阴兴澄特种钢铁有限公司 | A kind of big thickness Q500GJCD high-strength building structural steel plate and its manufacturing method |
CN109778069B (en) * | 2019-03-29 | 2021-03-30 | 武汉钢铁有限公司 | One-steel multi-stage cold-rolled low-alloy high-strength steel with yield strength covering 240-270 Mpa and manufacturing method thereof |
CN110656285A (en) * | 2019-09-10 | 2020-01-07 | 南京钢铁股份有限公司 | Production method of steel blank with one-steel multi-stage structure |
CN110656274A (en) * | 2019-09-10 | 2020-01-07 | 南京钢铁股份有限公司 | Production method of one-steel multi-stage ship plate blank |
CN110656275A (en) * | 2019-09-10 | 2020-01-07 | 南京钢铁股份有限公司 | Production method of steel blank of low-temperature container for one-steel multi-stage use |
CN110656284A (en) * | 2019-09-10 | 2020-01-07 | 南京钢铁股份有限公司 | One-steel multi-stage blank production method |
CN110735080A (en) * | 2019-10-10 | 2020-01-31 | 南京钢铁股份有限公司 | Production method of steel multi-stage special container steel blank |
CN110735079A (en) * | 2019-10-10 | 2020-01-31 | 南京钢铁股份有限公司 | Production method of multi-grade steel high-strength steel blank |
-
2019
- 2019-09-10 CN CN201910850212.1A patent/CN110656285A/en active Pending
-
2020
- 2020-07-22 WO PCT/CN2020/103544 patent/WO2021047295A1/en unknown
- 2020-07-22 EP EP20863199.4A patent/EP4015666A4/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108531816A (en) * | 2018-05-24 | 2018-09-14 | 南京钢铁股份有限公司 | A kind of 500MPa grades of steel for engineering machinery and its manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
WO2021047295A1 (en) | 2021-03-18 |
EP4015666A1 (en) | 2022-06-22 |
CN110656285A (en) | 2020-01-07 |
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Legal Events
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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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17P | Request for examination filed |
Effective date: 20220317 |
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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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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/06 20060101ALI20220614BHEP Ipc: C21C 7/10 20060101ALI20220614BHEP Ipc: C21C 5/28 20060101ALI20220614BHEP Ipc: C21C 1/02 20060101ALI20220614BHEP Ipc: C22C 38/04 20060101ALI20220614BHEP Ipc: C22C 38/02 20060101AFI20220614BHEP |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20220920 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/06 20060101ALI20220914BHEP Ipc: C21C 7/10 20060101ALI20220914BHEP Ipc: C21C 5/28 20060101ALI20220914BHEP Ipc: C21C 1/02 20060101ALI20220914BHEP Ipc: C22C 38/04 20060101ALI20220914BHEP Ipc: C22C 38/02 20060101AFI20220914BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |