RU99121662A - METHOD OF CONTROL OF INHIBITION IN THE PRODUCTION OF TONKOLIST ELECTRIC WAYS WITH ORIENTED GRAINS - Google Patents
METHOD OF CONTROL OF INHIBITION IN THE PRODUCTION OF TONKOLIST ELECTRIC WAYS WITH ORIENTED GRAINSInfo
- Publication number
- RU99121662A RU99121662A RU99121662/02A RU99121662A RU99121662A RU 99121662 A RU99121662 A RU 99121662A RU 99121662/02 A RU99121662/02 A RU 99121662/02A RU 99121662 A RU99121662 A RU 99121662A RU 99121662 A RU99121662 A RU 99121662A
- Authority
- RU
- Russia
- Prior art keywords
- rolled strip
- hot rolled
- ppm
- temperature
- hot
- Prior art date
Links
- 230000002401 inhibitory effect Effects 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 238000005098 hot rolling Methods 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 239000011572 manganese Substances 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 238000001953 recrystallisation Methods 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 2
- 229910052717 sulfur Inorganic materials 0.000 claims 2
- 239000011593 sulfur Substances 0.000 claims 2
- 229910000976 Electrical steel Inorganic materials 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000006396 nitration reaction Methods 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
Claims (2)
Iх = 1,91 Fv/r
где Fv обозначает объемную фракцию (безразмерную) указанных выделившихся фракций и r обозначает их средний радиус в см, указанное конкретное количество выделившихся фаз получают путем сочетания во взаимодействии следующих стадий:
(i) поддерживание содержания марганца в стали в известном, как таковом, интервале 400-1500 ч. на млн., предпочтительно между 500 и 1000 ч. на млн., причем отношения между содержаниями марганца и серы контролируют в интервале, заключенном между 2 и 30 для содержания серы не выше, чем 300 ч. на млн.;
(ii) контролирование температуры нагревания сляба в известном, как таковом, интервале между 1100-1300oС, предпочтительно 1150-1250oС;
(iii) контролирование условий горячей прокатки в известных сами по себе интервалах, начальная температура прокатки между 1000 и 1150oС, конечная температура прокатки между 900 и 1000oС и температура охлаждения между 550 и 720oС.1. A method for producing grain-oriented electric sheet metal based on which silicon steel is cast into slabs from which hot rolled strip is produced by hot rolling, said hot rolled strip is then cold rolled, continuously annealed for primary recrystallization and nitration, and then annealed for secondary recrystallization to achieve a specific small, but not minimal amount of thin and uniformly distributed precipitated phases in a hot rolled strip, characterized in that these precipitates produced in size and amount sufficient to impart the hot rolled strip an effective inhibition (Iz) in a range lying between about 400 and about 1300 cm -1, defined by the formula
Ix = 1.91 Fv / r
where Fv denotes the volume fraction (dimensionless) of these precipitated fractions and r denotes their average radius in cm, the specified specific amount of precipitated phases is obtained by combining the following steps in the interaction:
(i) maintaining the content of manganese in the steel in the known, as such, the range of 400-1500 ppm, preferably between 500 and 1000 ppm, and the relationship between the contents of manganese and sulfur is controlled in the interval between 2 and 30 for sulfur content not higher than 300 ppm;
(ii) controlling the temperature of slab heating in the known, as such, interval between 1100-1300 o С, preferably 1150-1250 o С;
(iii) controlling the conditions of hot rolling in the intervals known per se, the initial rolling temperature between 1000 and 1150 o С, the final rolling temperature between 900 and 1000 o С and the cooling temperature between 550 and 720 o С.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRM97A000147 | 1997-03-14 | ||
| IT97RM000147A IT1290978B1 (en) | 1997-03-14 | 1997-03-14 | PROCEDURE FOR CHECKING THE INHIBITION IN THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEET |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU99121662A true RU99121662A (en) | 2001-09-20 |
| RU2195506C2 RU2195506C2 (en) | 2002-12-27 |
Family
ID=11404861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU99121662/02A RU2195506C2 (en) | 1997-03-14 | 1997-07-28 | Method for controlling inhibition in the process of producing thin-sheet electric steel with oriented granularity |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6361621B1 (en) |
| EP (1) | EP0966548B1 (en) |
| JP (1) | JP2001515541A (en) |
| KR (1) | KR100561144B1 (en) |
| CN (1) | CN1089373C (en) |
| AT (1) | ATE206474T1 (en) |
| AU (1) | AU3941397A (en) |
| BR (1) | BR9714629A (en) |
| CZ (1) | CZ295534B6 (en) |
| DE (1) | DE69707159T2 (en) |
| ES (1) | ES2165081T3 (en) |
| IT (1) | IT1290978B1 (en) |
| PL (1) | PL182837B1 (en) |
| RU (1) | RU2195506C2 (en) |
| SK (1) | SK284361B6 (en) |
| WO (1) | WO1998041660A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1299137B1 (en) | 1998-03-10 | 2000-02-29 | Acciai Speciali Terni Spa | PROCESS FOR THE CONTROL AND REGULATION OF SECONDARY RECRYSTALLIZATION IN THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEETS |
| IT1317894B1 (en) * | 2000-08-09 | 2003-07-15 | Acciai Speciali Terni Spa | PROCEDURE FOR THE REGULATION OF THE DISTRIBUTION OF INHIBITORS IN THE PRODUCTION OF MAGNETIC SHEETS WITH ORIENTED GRAIN. |
| IT1316026B1 (en) | 2000-12-18 | 2003-03-26 | Acciai Speciali Terni Spa | PROCEDURE FOR THE MANUFACTURE OF ORIENTED GRAIN SHEETS. |
| KR20100072376A (en) * | 2002-05-08 | 2010-06-30 | 에이케이 스틸 프로퍼티즈 인코포레이티드 | Method of continuous casting non-oriented electrical steel strip |
| US20050000596A1 (en) * | 2003-05-14 | 2005-01-06 | Ak Properties Inc. | Method for production of non-oriented electrical steel strip |
| CN102127708A (en) * | 2011-01-16 | 2011-07-20 | 首钢总公司 | Method for producing oriented electrical steel by heating low-temperature slab |
| CN104894354B (en) * | 2015-06-09 | 2017-11-10 | 北京科技大学 | A kind of Low Temperature Hot Rolling plate prepares the production method of Thin Specs high magnetic induction grain-oriented silicon steel |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472521A (en) * | 1933-10-19 | 1995-12-05 | Nippon Steel Corporation | Production method of grain oriented electrical steel sheet having excellent magnetic characteristics |
| US3671337A (en) * | 1969-02-21 | 1972-06-20 | Nippon Steel Corp | Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics |
| JPS5032059B2 (en) * | 1971-12-24 | 1975-10-17 | ||
| JPS5933170B2 (en) | 1978-10-02 | 1984-08-14 | 新日本製鐵株式会社 | Method for manufacturing aluminum-containing unidirectional silicon steel sheet with extremely high magnetic flux density |
| JPS59208020A (en) * | 1983-05-12 | 1984-11-26 | Nippon Steel Corp | Manufacture of grain-oriented electrical steel sheet with small iron loss |
| JPH0717961B2 (en) * | 1988-04-25 | 1995-03-01 | 新日本製鐵株式会社 | Manufacturing method of unidirectional electrical steel sheet with excellent magnetic and film properties |
| US5759293A (en) * | 1989-01-07 | 1998-06-02 | Nippon Steel Corporation | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip |
| JPH0730397B2 (en) * | 1990-04-13 | 1995-04-05 | 新日本製鐵株式会社 | Method for producing unidirectional electrical steel sheet with excellent magnetic properties |
| JP2519615B2 (en) * | 1991-09-26 | 1996-07-31 | 新日本製鐵株式会社 | Method for producing grain-oriented electrical steel sheet with excellent magnetic properties |
| KR960010811B1 (en) * | 1992-04-16 | 1996-08-09 | 신니뽄세이데스 가부시끼가이샤 | Process for production of grain oriented electrical steel sheet having excellent magnetic properties |
| US5507883A (en) * | 1992-06-26 | 1996-04-16 | Nippon Steel Corporation | Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same |
| DE4311151C1 (en) * | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Grain-orientated electro-steel sheets with good properties |
| JP3240035B2 (en) * | 1994-07-22 | 2001-12-17 | 川崎製鉄株式会社 | Manufacturing method of grain-oriented silicon steel sheet with excellent magnetic properties over the entire coil length |
| JP3598590B2 (en) * | 1994-12-05 | 2004-12-08 | Ｊｆｅスチール株式会社 | Unidirectional electrical steel sheet with high magnetic flux density and low iron loss |
| FR2731713B1 (en) * | 1995-03-14 | 1997-04-11 | Ugine Sa | PROCESS FOR THE MANUFACTURE OF A SHEET OF ELECTRIC STEEL WITH ORIENTED GRAINS FOR THE PRODUCTION OF MAGNETIC TRANSFORMER CIRCUITS IN PARTICULAR |
| US5643370A (en) * | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
| IT1284268B1 (en) | 1996-08-30 | 1998-05-14 | Acciai Speciali Terni Spa | PROCEDURE FOR THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEETS, WITH HIGH MAGNETIC CHARACTERISTICS, STARTING FROM |
| IT1285153B1 (en) | 1996-09-05 | 1998-06-03 | Acciai Speciali Terni Spa | PROCEDURE FOR THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEET, STARTING FROM THIN SHEET. |
| US5885371A (en) * | 1996-10-11 | 1999-03-23 | Kawasaki Steel Corporation | Method of producing grain-oriented magnetic steel sheet |
| IT1290172B1 (en) | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | PROCEDURE FOR THE PRODUCTION OF GRAIN ORIENTED MAGNETIC SHEETS, WITH HIGH MAGNETIC CHARACTERISTICS. |
| IT1290171B1 (en) | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | PROCEDURE FOR THE TREATMENT OF SILICON, GRAIN ORIENTED STEEL. |
| IT1290173B1 (en) | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | PROCEDURE FOR THE PRODUCTION OF GRAIN ORIENTED SILICON STEEL SHEETS |
| US6049933A (en) * | 1997-08-12 | 2000-04-18 | Zodiac Pool Care, Inc. | Bumper assemblies for swimming pool cleaners |
-
1997
- 1997-03-14 IT IT97RM000147A patent/IT1290978B1/en active IP Right Grant
- 1997-07-28 CN CN97182038A patent/CN1089373C/en not_active Expired - Fee Related
- 1997-07-28 ES ES97936665T patent/ES2165081T3/en not_active Expired - Lifetime
- 1997-07-28 DE DE69707159T patent/DE69707159T2/en not_active Expired - Lifetime
- 1997-07-28 JP JP54004998A patent/JP2001515541A/en active Pending
- 1997-07-28 RU RU99121662/02A patent/RU2195506C2/en not_active IP Right Cessation
- 1997-07-28 AU AU39413/97A patent/AU3941397A/en not_active Abandoned
- 1997-07-28 CZ CZ19993250A patent/CZ295534B6/en not_active IP Right Cessation
- 1997-07-28 AT AT97936665T patent/ATE206474T1/en active
- 1997-07-28 SK SK1224-99A patent/SK284361B6/en not_active IP Right Cessation
- 1997-07-28 US US09/381,105 patent/US6361621B1/en not_active Expired - Lifetime
- 1997-07-28 EP EP97936665A patent/EP0966548B1/en not_active Expired - Lifetime
- 1997-07-28 WO PCT/EP1997/004089 patent/WO1998041660A1/en active IP Right Grant
- 1997-07-28 PL PL97335654A patent/PL182837B1/en unknown
- 1997-07-28 KR KR1019997008329A patent/KR100561144B1/en not_active IP Right Cessation
- 1997-07-28 BR BR9714629-3A patent/BR9714629A/en not_active IP Right Cessation
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