IN2014MN01788A - - Google Patents
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- Publication number
- IN2014MN01788A IN2014MN01788A IN1788MUN2014A IN2014MN01788A IN 2014MN01788 A IN2014MN01788 A IN 2014MN01788A IN 1788MUN2014 A IN1788MUN2014 A IN 1788MUN2014A IN 2014MN01788 A IN2014MN01788 A IN 2014MN01788A
- Authority
- IN
- India
- Prior art keywords
- steel sheet
- electrical steel
- oriented electrical
- refinement
- magnetic performance
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
-
- 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
- C21C7/0006—Adding metallic additives
-
- 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
- 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
- C21C7/068—Decarburising
-
- 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
- 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
-
- 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
- C22C38/001—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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
A non oriented electrical steel sheet with fine magnetic performance and a calcium treatment method therefor including an RH (Ruhrstah1 Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step an aluminum deoxidation step and a step of adding calcium alloy. In the step of adding calcium alloy time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after S?1=0.2 0.8. In this method production cost is reduced the production process is simple a normal processing cycle of RH refinement is not affected the device is convenient in operation and is controllable and foreign substances are controllable in both shape and quantities. The non oriented electrical steel sheet prepared according to the present invention has fine magnetic performance and the method can be used for mass production of the non oriented electrical steel sheet with fine magnetic performance.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210060172.9A CN103305659B (en) | 2012-03-08 | 2012-03-08 | The non-oriented electromagnetic steel sheet of excellent magnetic and calcium treating method thereof |
PCT/CN2012/000385 WO2013131213A1 (en) | 2012-03-08 | 2012-03-27 | Non-oriented electrical steel sheet with fine magnetic performance, and calcium treatment method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014MN01788A true IN2014MN01788A (en) | 2015-07-03 |
Family
ID=49115845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN1788MUN2014 IN2014MN01788A (en) | 2012-03-08 | 2012-03-27 |
Country Status (9)
Country | Link |
---|---|
US (1) | US10147528B2 (en) |
EP (1) | EP2824192B9 (en) |
JP (1) | JP5832675B2 (en) |
KR (1) | KR101613502B1 (en) |
CN (1) | CN103305659B (en) |
IN (1) | IN2014MN01788A (en) |
MX (1) | MX365600B (en) |
RU (1) | RU2590740C2 (en) |
WO (1) | WO2013131213A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101676140B1 (en) * | 2014-12-24 | 2016-11-15 | 주식회사 포스코 | Method for refining austenite stainless steel |
CN104789862A (en) * | 2015-03-20 | 2015-07-22 | 宝山钢铁股份有限公司 | High-magnetic-induction low-iron-loss non-oriented electrical steel plate with good surface state and manufacturing method thereof |
CN104805252A (en) * | 2015-05-14 | 2015-07-29 | 内蒙古包钢钢联股份有限公司 | Method for modifying silicon steel top slags |
CN104946855B (en) * | 2015-07-15 | 2017-03-08 | 武汉钢铁(集团)公司 | A kind of vacuum processing method of high alumina ultra-low-carbon steel |
KR20180034573A (en) * | 2015-10-02 | 2018-04-04 | 제이에프이 스틸 가부시키가이샤 | Non-oriented electromagnetic steel sheet and manufacturing method of same |
RU2686712C1 (en) * | 2015-12-28 | 2019-04-30 | ДжФЕ СТИЛ КОРПОРЕЙШН | Sheet from non-textured electrical steel and method for production of sheet from non-textured electrical steel |
KR102095142B1 (en) * | 2016-01-15 | 2020-03-30 | 제이에프이 스틸 가부시키가이샤 | Non-oriented electrical steel sheet and production method thereof |
CN105734393A (en) * | 2016-04-15 | 2016-07-06 | 唐山钢铁集团有限责任公司 | Production method for non-oriented electrical steel |
CN107541582B (en) * | 2016-06-23 | 2019-07-19 | 上海梅山钢铁股份有限公司 | A kind of non-oriented electrical steel calcium treating method of excellent magnetic |
KR102225229B1 (en) | 2016-10-27 | 2021-03-08 | 제이에프이 스틸 가부시키가이샤 | Non-oriented electrical steel sheet and method of producing same |
JP6624393B2 (en) * | 2016-12-28 | 2019-12-25 | Jfeスチール株式会社 | Non-oriented electrical steel sheet with excellent recyclability |
CN108330246B (en) * | 2017-01-20 | 2020-01-31 | 宝山钢铁股份有限公司 | method for adding calcium to non-oriented electrical steel in non-vacuum state |
JP7060113B2 (en) | 2019-06-17 | 2022-04-26 | Jfeスチール株式会社 | Method of adding Ca to molten steel |
CN112430775A (en) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | High-strength non-oriented electrical steel plate with excellent magnetic property and manufacturing method thereof |
CN112430778A (en) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | Thin non-oriented electrical steel plate and manufacturing method thereof |
CN110592481A (en) * | 2019-09-28 | 2019-12-20 | 宝钢湛江钢铁有限公司 | Non-oriented electrical steel plate with excellent magnetic property and manufacturing method thereof |
CN111793771A (en) * | 2020-06-10 | 2020-10-20 | 宝钢湛江钢铁有限公司 | Low-iron-loss low-aging high-strength 50W800 non-oriented silicon steel and manufacturing method thereof |
CN111575446B (en) * | 2020-06-25 | 2022-02-25 | 江苏省沙钢钢铁研究院有限公司 | RH vacuum furnace calcium treatment process method |
CN114000045B (en) * | 2020-07-28 | 2022-09-16 | 宝山钢铁股份有限公司 | High-strength non-oriented electrical steel plate with excellent magnetic property and manufacturing method thereof |
CN114606361B (en) * | 2022-02-14 | 2023-01-31 | 江苏省福达特种钢有限公司 | Rare earth magnesium feeding control system and method for high-speed steel production process |
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-
2012
- 2012-03-08 CN CN201210060172.9A patent/CN103305659B/en active Active
- 2012-03-27 WO PCT/CN2012/000385 patent/WO2013131213A1/en active Application Filing
- 2012-03-27 US US14/379,529 patent/US10147528B2/en active Active
- 2012-03-27 RU RU2014132735/02A patent/RU2590740C2/en active
- 2012-03-27 KR KR1020147023535A patent/KR101613502B1/en active IP Right Grant
- 2012-03-27 MX MX2014010513A patent/MX365600B/en active IP Right Grant
- 2012-03-27 IN IN1788MUN2014 patent/IN2014MN01788A/en unknown
- 2012-03-27 JP JP2014560208A patent/JP5832675B2/en active Active
- 2012-03-27 EP EP12870769.2A patent/EP2824192B9/en active Active
Also Published As
Publication number | Publication date |
---|---|
RU2590740C2 (en) | 2016-07-10 |
EP2824192A1 (en) | 2015-01-14 |
MX365600B (en) | 2019-06-07 |
US20150034212A1 (en) | 2015-02-05 |
EP2824192B1 (en) | 2018-10-31 |
KR101613502B1 (en) | 2016-04-20 |
CN103305659A (en) | 2013-09-18 |
JP2015515541A (en) | 2015-05-28 |
EP2824192A4 (en) | 2015-09-30 |
EP2824192B9 (en) | 2019-03-13 |
WO2013131213A1 (en) | 2013-09-12 |
RU2014132735A (en) | 2016-04-27 |
KR20140115365A (en) | 2014-09-30 |
MX2014010513A (en) | 2014-10-14 |
CN103305659B (en) | 2016-03-30 |
JP5832675B2 (en) | 2015-12-16 |
US10147528B2 (en) | 2018-12-04 |
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