Electrical Steel Coil
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of electrical steel coil in China, also supports customized service with low price. Welcome to buy discount electrical steel coil for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
GNEE ELECTRICAL STEEL
The laminations in electrical steel coils are insulated from one another to minimize eddy currents. The insulation can be achieved through various methods, such as applying an oxide layer or using insulating coatings. By reducing eddy currents, the core losses in electrical transformers and other electrical devices are minimized, resulting in higher efficiency.
| Product Name | Electrical Steel, Lamination Steel, Silicon Electrical Steel, Silicon Steel, Relay Steel, Transformer Steel |
| Category | Grain-Oriented Electrical Steel; Non-oriented electrical steel |
| Standard | AISI, ASTM, BS, DIN, GB, JIS, EN |
| Thickness | 0.2- 0.8 mm |
| Width | 900-1230mm |
| Brand | Bao steel |
| Origin | China |
| Packing | Export standard package (as per requirements) |
| Payment Terms | 30% T/T in advance as deposit,70% balance against the B/L copy or 100% irrevocable L/C at sight |
| MOQ | 3 tons per size |
| Delivery time | 7-10 days after receiving L/C or deposit |
| Loading Port | Shanghai , China (any port in China ) |
| Remark | Specific requirement of alloy grade,temper or specification can be discussed at your request |
Electrical silicon steel coil feature
1 Avoiding rust and aging:
(1) Due to slitting and punching, that broken coating film, the ruptured surface will easily rusted, particularly in summer season when the relative humidity is high. So, it needs careful package and anti-rust treatment.
(2) For having better magnetic property, Electrical steel generally was produced without temper rolling process. To avoid coil break in slitting process, it is necessary to keep coils away from long storage time.
2 Stress-relief annealing
Magnetic properties of Electrical steel coils will be deteriorated by mechanical strains when it was sheared and punched into laminations or cores. In order to relieve these stress and restore the original magnetic properties, general stress-relief annealing is necessary.
The following points are observed when laminations or cores are processed to stress-relief annealing.
(1) There are two kind of coating films to be used in CSCI Electrical steel coils and they are adapted to various annealing temperature. Please refer the information of table 10 when stress-relief is necessary to be done.
(2) The magnetic property almost was not affected by ordinary industrial cooling rate scale, but abrupt heating and cooling will make distortion in cores. However, cooling should be taken until it reaches 350˚C so that no strain will occur in material.
(3) Since decarburization and excessive oxidation will affect the deterioration of magnetic properties of steel, the atmospheric gas must be carefully controlled and the dew point must be kept low. On the other hand, the oiled grease remained during fabrication also must be removed completely, and the low carbon materials are recommended to be used in the base and cover of annealing furnace.
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