RU94034768A - Method for production of electrical anisotropic steel - Google Patents
Method for production of electrical anisotropic steelInfo
- Publication number
- RU94034768A RU94034768A RU94034768/02A RU94034768A RU94034768A RU 94034768 A RU94034768 A RU 94034768A RU 94034768/02 A RU94034768/02 A RU 94034768/02A RU 94034768 A RU94034768 A RU 94034768A RU 94034768 A RU94034768 A RU 94034768A
- Authority
- RU
- Russia
- Prior art keywords
- steel
- temperature
- production
- electrical
- mas
- Prior art date
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- Manufacturing Of Steel Electrode Plates (AREA)
Abstract
FIELD: ferrous metallurgy, particular, production of cold-rolled electrical steel. SUBSTANCE: method for production of electrical anisotropic steel includes hot rolling of steel containing, mas.%: silicon 2.8-3.2; manganese 0.1-0.3; copper 0.1-0.7; aluminium 0.101-0.30 with temperature of coiling strips into roll of 530-650 C, double cold rolling, intermediate decarburizing annealing and final high-temperature annealing. The offered method allows improvement of electromagnetic properties of electrical anisotropic steel and cutting down its manufacture costs. This is attained due to reduction of coiling temperature in the process of hot rolling and increase of mass percentage of aluminium in the steel. In this case, for steel with aluminium content of 0.010-0.014 mas.% the coiling temperature is 650-580 C, and with aluminium content of 0.015-0.030 mas.%, the coiling temperature is 579-530 C. EFFECT: higher efficiency.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94034768/02A RU2082772C1 (en) | 1994-09-20 | 1994-09-20 | Method for producing anisotropic electrical steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94034768/02A RU2082772C1 (en) | 1994-09-20 | 1994-09-20 | Method for producing anisotropic electrical steel |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94034768A true RU94034768A (en) | 1996-09-10 |
RU2082772C1 RU2082772C1 (en) | 1997-06-27 |
Family
ID=20160650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94034768/02A RU2082772C1 (en) | 1994-09-20 | 1994-09-20 | Method for producing anisotropic electrical steel |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2082772C1 (en) |
-
1994
- 1994-09-20 RU RU94034768/02A patent/RU2082772C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2082772C1 (en) | 1997-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20040921 |