JPS631371B2 - - Google Patents
Info
- Publication number
- JPS631371B2 JPS631371B2 JP58062688A JP6268883A JPS631371B2 JP S631371 B2 JPS631371 B2 JP S631371B2 JP 58062688 A JP58062688 A JP 58062688A JP 6268883 A JP6268883 A JP 6268883A JP S631371 B2 JPS631371 B2 JP S631371B2
- Authority
- JP
- Japan
- Prior art keywords
- hot
- slab
- annealing
- temperature
- heating
- 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.)
- Expired
Links
- 238000000137 annealing Methods 0.000 claims description 85
- 238000010438 heat treatment Methods 0.000 claims description 66
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 34
- 238000005098 hot rolling Methods 0.000 claims description 33
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 26
- 238000009749 continuous casting Methods 0.000 claims description 26
- 229910052698 phosphorus Inorganic materials 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 230000004907 flux Effects 0.000 description 50
- 238000001953 recrystallisation Methods 0.000 description 45
- 239000000047 product Substances 0.000 description 38
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 22
- 229910052739 hydrogen Inorganic materials 0.000 description 22
- 239000001257 hydrogen Substances 0.000 description 22
- 230000007547 defect Effects 0.000 description 18
- 238000005261 decarburization Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000005097 cold rolling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
- C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties 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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—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
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—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
- 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
- C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58062688A JPS59190325A (ja) | 1983-04-09 | 1983-04-09 | 連続鋳造法を適用した鉄損の優れた一方向性珪素鋼板の製造法 |
| GB08325076A GB2130241B (en) | 1982-09-24 | 1983-09-20 | Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density |
| SE8305095A SE460482B (sv) | 1982-09-24 | 1983-09-21 | Kornorienterad elektrotunnplaat |
| CA000437373A CA1210670A (en) | 1982-09-24 | 1983-09-22 | Grain-oriented electrical steel sheet having a high magnetic flux density |
| FR8315933A FR2533586B1 (fr) | 1982-09-24 | 1983-09-23 | Procede de fabrication d'une tole d'acier electrique a grain oriente ayant une haute densite de flux magnetique |
| DE19833334519 DE3334519A1 (de) | 1982-09-24 | 1983-09-23 | Verfahren zur herstellung von kornorientiertem elektroblech mit hoher magnetischer induktion |
| IT22974/83A IT1167387B (it) | 1982-09-24 | 1983-09-23 | Procedimento per produrre un nastro elettrico di acciaio a grana orientata dotato di una elevata densita' del flusso magnetico |
| KR1019830004473A KR890000882B1 (ko) | 1982-09-24 | 1983-09-24 | 높은 자속밀도를 가진 방향성 전기강판의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58062688A JPS59190325A (ja) | 1983-04-09 | 1983-04-09 | 連続鋳造法を適用した鉄損の優れた一方向性珪素鋼板の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59190325A JPS59190325A (ja) | 1984-10-29 |
| JPS631371B2 true JPS631371B2 (hu) | 1988-01-12 |
Family
ID=13207469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58062688A Granted JPS59190325A (ja) | 1982-09-24 | 1983-04-09 | 連続鋳造法を適用した鉄損の優れた一方向性珪素鋼板の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59190325A (hu) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61190017A (ja) * | 1985-02-20 | 1986-08-23 | Nippon Steel Corp | 鉄損の低い一方向性珪素鋼板の製造方法 |
| JPS6270521A (ja) * | 1985-09-21 | 1987-04-01 | Nippon Steel Corp | 高磁束密度一方向性電磁鋼板の製造方法 |
| JPS6270525A (ja) * | 1985-09-21 | 1987-04-01 | Nippon Steel Corp | フオルステライト皮膜の良好な一方向性電磁鋼板の製造方法 |
| JPS62156226A (ja) * | 1985-12-27 | 1987-07-11 | Nippon Steel Corp | 均一なグラス皮膜を有し磁気特性が優れた方向性電磁鋼板の製造方法 |
| JPH0717960B2 (ja) * | 1989-03-31 | 1995-03-01 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
| US6039818A (en) * | 1996-10-21 | 2000-03-21 | Kawasaki Steel Corporation | Grain-oriented electromagnetic steel sheet and process for producing the same |
| KR100711470B1 (ko) | 2005-12-24 | 2007-04-24 | 주식회사 포스코 | 고주파 철손 특성이 우수한 고규소 방향성 전기강판제조방법 |
| KR100797997B1 (ko) | 2006-12-27 | 2008-01-28 | 주식회사 포스코 | 자성과 생산성이 우수한 방향성 전기강판의 제조방법 |
| WO2008078915A1 (en) * | 2006-12-27 | 2008-07-03 | Posco | Method for manufacturing grain-oriented electrical steel sheets with excellent magnetic property and high productivity |
| CN104726667B (zh) * | 2013-12-23 | 2017-04-26 | 鞍钢股份有限公司 | 一种中薄板坯连铸连轧低温取向硅钢的生产方法 |
| WO2022210504A1 (ja) * | 2021-03-31 | 2022-10-06 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4976719A (hu) * | 1972-11-28 | 1974-07-24 | ||
| JPS526329A (en) * | 1975-07-04 | 1977-01-18 | Nippon Steel Corp | Production process of grain oriented electrical steel sheet |
| JPS5224116A (en) * | 1975-08-20 | 1977-02-23 | Nippon Steel Corp | Material of high magnetic flux density one directionally orientated el ectromagnetic steel and its treating method |
| JPS5440227A (en) * | 1977-09-07 | 1979-03-29 | Nippon Steel Corp | Manufacture of oriented silicon steel sheet with very high magnetic flux density |
| JPS5618045A (en) * | 1979-07-24 | 1981-02-20 | Ntn Toyo Bearing Co Ltd | Fuel injection device |
-
1983
- 1983-04-09 JP JP58062688A patent/JPS59190325A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4976719A (hu) * | 1972-11-28 | 1974-07-24 | ||
| JPS526329A (en) * | 1975-07-04 | 1977-01-18 | Nippon Steel Corp | Production process of grain oriented electrical steel sheet |
| JPS5224116A (en) * | 1975-08-20 | 1977-02-23 | Nippon Steel Corp | Material of high magnetic flux density one directionally orientated el ectromagnetic steel and its treating method |
| JPS5440227A (en) * | 1977-09-07 | 1979-03-29 | Nippon Steel Corp | Manufacture of oriented silicon steel sheet with very high magnetic flux density |
| JPS5618045A (en) * | 1979-07-24 | 1981-02-20 | Ntn Toyo Bearing Co Ltd | Fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59190325A (ja) | 1984-10-29 |
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