RO81282B - Tabla din otel pentru electrotehnica si procedeu de obtinere a acesteia - Google Patents
Tabla din otel pentru electrotehnica si procedeu de obtinere a acesteiaInfo
- Publication number
- RO81282B RO81282B RO102170A RO10217080A RO81282B RO 81282 B RO81282 B RO 81282B RO 102170 A RO102170 A RO 102170A RO 10217080 A RO10217080 A RO 10217080A RO 81282 B RO81282 B RO 81282B
- Authority
- RO
- Romania
- Prior art keywords
- electrotechnics
- steel sheet
- manufacturing
- same
- ferrite
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Powder Metallurgy (AREA)
Abstract
Tabla din otel pentru electrotehnica, conform inventiei, are un continut de maximum 0,06% si de preferinta 0,02....0,04% C, 0,20....0,80% Mn, de maximum respectiv 0,15% Si si 0,025% S, 0,12 ........0,18 P, 0,30.....0,50% Mg cît si de impuritati uzuale si Fe rest. în scopul îmbnunatatirii caracteristicilor tehnologice în exploatare, tabla prezunta o ministructura duplex avînd o sectiune mediana de ferita fin granulata cu precipitare de carburi fin dispersate si un strat superficial de ferita grosier granulata .
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/075,785 US4326899A (en) | 1979-09-17 | 1979-09-17 | Method of continuous annealing low-carbon electrical sheet steel and duplex product produced thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81282A RO81282A (ro) | 1983-02-15 |
| RO81282B true RO81282B (ro) | 1983-02-28 |
Family
ID=22127974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO102170A RO81282B (ro) | 1979-09-17 | 1980-09-17 | Tabla din otel pentru electrotehnica si procedeu de obtinere a acesteia |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4326899A (ro) |
| JP (1) | JPS5647547A (ro) |
| DD (1) | DD153132A5 (ro) |
| DE (1) | DE3035085A1 (ro) |
| ES (1) | ES495086A0 (ro) |
| FR (1) | FR2465005A1 (ro) |
| GB (1) | GB2064582A (ro) |
| IT (1) | IT8068426A0 (ro) |
| PL (1) | PL226774A1 (ro) |
| RO (1) | RO81282B (ro) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234552A (ja) * | 1985-04-10 | 1986-10-18 | Nippon Gakki Seizo Kk | 導電板材 |
| KR100240995B1 (ko) * | 1995-12-19 | 2000-03-02 | 이구택 | 절연피막의 밀착성이 우수한 무방향성 전기강판의 제조방법 |
| KR100797895B1 (ko) * | 2006-12-22 | 2008-01-24 | 성진경 | 표면 (100) 면 형성 방법, 이를 이용한 무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된 무방향성 전기강판 |
| CN104372150A (zh) * | 2014-07-02 | 2015-02-25 | 宝钢集团新疆八一钢铁有限公司 | 一种门板用钢spcc-m冷轧生产工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3196054A (en) * | 1963-08-14 | 1965-07-20 | Armco Steel Corp | Process of decarburizing and annealing of open coil silicon-iron sheet stock without intervening surface treatment |
| US3215566A (en) * | 1963-01-10 | 1965-11-02 | Bethlehem Steel Corp | Treatment of sheet steel |
| US3188250A (en) * | 1963-02-26 | 1965-06-08 | United States Steel Corp | Use of a particular coiling temperature in the production of electrical steel sheet |
| US3406047A (en) * | 1966-02-07 | 1968-10-15 | Wilson Eng Co Inc Lee | Vitreous enameling steel and method of making same |
| SU461136A1 (ru) | 1972-11-27 | 1975-02-25 | Череповецкий Ордена Ленина Металлургический Завод | Способ обезуглероживани электротехнической стали |
| US3865638A (en) * | 1973-11-23 | 1975-02-11 | Gen Motors Corp | Plastically deformed hardened steel parts and method of forming same |
-
1979
- 1979-09-17 US US06/075,785 patent/US4326899A/en not_active Expired - Lifetime
-
1980
- 1980-09-15 GB GB8029740A patent/GB2064582A/en not_active Withdrawn
- 1980-09-16 ES ES495086A patent/ES495086A0/es active Granted
- 1980-09-16 DD DD80223923A patent/DD153132A5/de unknown
- 1980-09-16 PL PL22677480A patent/PL226774A1/xx unknown
- 1980-09-16 IT IT8068426A patent/IT8068426A0/it unknown
- 1980-09-16 FR FR8019937A patent/FR2465005A1/fr not_active Withdrawn
- 1980-09-17 RO RO102170A patent/RO81282B/ro unknown
- 1980-09-17 JP JP12804380A patent/JPS5647547A/ja active Pending
- 1980-09-17 DE DE19803035085 patent/DE3035085A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES8107319A1 (es) | 1981-10-01 |
| FR2465005A1 (fr) | 1981-03-20 |
| US4326899A (en) | 1982-04-27 |
| PL226774A1 (ro) | 1981-07-24 |
| IT8068426A0 (it) | 1980-09-16 |
| JPS5647547A (en) | 1981-04-30 |
| RO81282A (ro) | 1983-02-15 |
| DD153132A5 (de) | 1981-12-23 |
| ES495086A0 (es) | 1981-10-01 |
| GB2064582A (en) | 1981-06-17 |
| DE3035085A1 (de) | 1981-04-02 |
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