ASTM Standard Grain Oriented Electrical Steel Coil
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of astm standard grain oriented electrical steel coil in China, also supports customized service with low price. Welcome to buy discount astm standard grain oriented electrical steel coil for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
The main distinction lies in the internal structure between oriented and non-oriented silicon steel coils. In oriented silicon steel, the grains are predominantly aligned in a single direction, hence the term "oriented." On the other hand, non-oriented silicon steel exhibits a random grain arrangement, resulting in higher heat loss compared to its oriented counterpart. This characteristic makes grain-oriented silicon steel suitable for meeting the stringent processing requirements of transformers and rotors.
Standard specification of GO silicon steel
|
Item |
GO Electrical steel |
|
Available thickness(mm) |
0.23 0.27 0.30 0.35 |
|
Available Width (mm) |
800~1200 |
|
Inside Diameter(mm) |
508 |
|
Weight |
2~5T |
Note: Coil weight can be customized
Oriented Electrical Steel Coil
Dimensional and shape tolerances( for reference)
|
Available thickness (mm) |
Thickness tolerance (mm) |
Transverse thickness tolerance (mm) |
Longitudinal thickness tolerance (mm) |
Width tolerance (mm) |
Flatness (%) |
Camber 2m (mm) |
|
0.23 |
±0.020 |
≤0.020 |
≤0.030 |
0~+2 |
≤1.5 |
≤1.0 |
|
0.27 |
±0.030 |
|||||
|
0.30 |
||||||
|
0.35 |
Application fields
|
Varieties |
Common type |
High induction type |
Domain refined high induction type |
|
Large motors |
* |
* |
|
|
Large transformers |
* |
* |
* |
|
Medium and small transformers |
* |
* |
* |
|
Distributing transformers |
* |
* |
|
|
Voltage regulators |
* |
* |
|
|
Reactor and magnetic amplifiers |
* |
* |
* |
|
IF transformers |
|
* |
|
|
Mutual inductors |
* |
* |
|
|
TV transformers |
* |
* |
|
|
Radio transformers |
* |
* |
|
|
Radio broadcast transformers |
|
* |
|
Typical Mechanical Properties(For reference)
|
Available thickness (mm) |
Hardness (HV1) |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
Number of bends |
Lamination factor (%) |
Adhesion (grade) |
|
0.23 |
198 |
350 |
330 |
12 |
21 |
96.5 |
B-C |
|
0.27 |
200 |
355 |
332 |
12 |
21 |
97.0 |
B-C |
|
0.30 |
204 |
359 |
334 |
13 |
21 |
97.0 |
B-C |
|
0.35 |
204 |
362 |
342 |
13 |
21 |
97.5 |
B-C |
Silicon steel is undoubtedly the most important soft magnetic material in use today.
Applications vary in quantities from the few ounces used in small relays or pulse transformers to tons used in generators, motors, and transformers.Continued growth in electrical power generation has required development of better steels to decrease wasteful dissipation of energy (as heat) in electrical apparatus and to minimize the physical dimensions of the increasingly powerful equipment now demanded.
Applications for oriented silicon steel include transformers (power, distribution, ballast, instrument, audio, and specialty), and generators for steam turbine and water wheels.
Grain Oriented Electrical Steel Coil Factory
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