ASTM A683-16 Non-Oriented Electrical Steel
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GNEE Steel Grain Non oriented silicon steel
Non-oriented electrical steel are widely used as core materials of motors. The magnetic properties of non-oriented electrical steel have a large influence on motor efficiency.Manufacturing processes such as punching, shearing, pressing during stacking, welding, bonding, automatic staking or riveting, and pressing into a frame are also known to deteriorate the magnetic properties of electrical steel sheets.Since punching and shearing are the main processes contributing to deterioration of the magnetic properties of non-oriented electrical steel, previous studies focused mainly on degradation of magnetic properties by the punching and shearing processes.Simulation of the punching process and calculation of the magnetic field have also been attempted in order to estimate iron loss deterioration.
Cold rolled Non oriented silicon steel
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Product Name |
Cold Rolled Grain Non Oriented Silicon Steel |
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Standard |
ASTM A683-16 |
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Thickness |
0.23mm-0.35mm |
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Width |
20mm-1250mm |
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Length |
Coil Or As Required |
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Technique |
Cold Rolled |
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Surface Treatment |
Coated |
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Application |
Widely used in transformers, generators, various household motors and micro-motors, etc. |
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Special Use |
Silicon Steel |
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Sample |
For Free (Within 10 KG) |
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Magnetic Property Requirements
- Specific Core Loss: As per ASTM A683-16, each core-loss type of this steel is identified by maximum core-loss limits.
- Permeability: The permeability at all inductions should be as high as possible and consistent with the required core-loss limits that govern the grade.
- Specific Exciting Power: The exciting power required for the excitation of a particular type of electrical steel is useful to the user.
Surface Insulation Characteristics
Electrical steels come with a thin layer of surface oxide, having sufficient insulating ability for most small cores. The insulation of coating Type C-0 can be improved during the heat treatment by employing a slightly oxidizing atmosphere.
Mechanical Requirements
1. Lamination Factor:
The lamination factor is determined using Test Method A719/A719M. It should be as high as possible.
2. Ductility:
As per ASTM A683-16, the material should be as ductile as possible, consistent with meeting magnetic requirements.
Cold rolled Non oriented electrical steel
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