Electrical Crgo M4 Grain Oriented Silicon Steel Sheet for Transformer Core
Electrical steel is classified into two types: Non-oriented (NO) electrical steel and Grain-oriented (GO) electrical steel. NO steel is widely used in motors and generators, in which the magnetization direction is rotated in the sheet plane. GO is mainly used as a core material of transformers, in which the magnetization direction is unidirectional.
Non-Oriented Electrical Steel is manufactured as to render magnetic properties almost uniform in any direction of the coil. Used mainly for medium and large rotating machines, and small transformers.
● Exhibits almost uniform and excellent magnetic properties in all directions of a steel sheet.
● Typical applications: motors, generators, audio transformers, reactors, magnet switches, ballasts, magnetic fields, and electromagnets for accelerators
| Dimensional and Shape Tolerances | |||
| Nominal Thickness(mm) | Nominal Width(mm) | Flatness(%) | Camber Within 2m |
| 800~1000(0~+0.15) | 0.20(±0.02) | ≤2 | ≤1.0 |
| 0.35(±0.03) | |||
| 0.50,0.65(±0.04) | |||
| ＞1000(0~+0.15) | 0.20(±0.02) | ||
| 0.35,0.50(±0.03) | |||
| 0.65(±0.04) | |||
Grain-Oriented Electrical Steel is an electrical steel in which the easy magnetization direction of the grain is parallel to the rolling direction and the silicon content is about 3%.
● Exhibits excellent magnetic properties in one direction (the rolling direction) of the steel sheet
● Features excellent magnetic properties, including high magnetic flux density, low iron loss, and low magnetostriction
● Typical applications: power transformers, distribution transformers, audio transformers, current and potential transformers, medium to large generators, reactors, and magnetic shields.
| Dimensional and Shape Tolerances | ||||||
| Nominal Thickness(mm) | Nominal Thickness Tolerance (mm) | Longitudinal Thickness Tolerance (mm) | Traverse Thickness Tolerance (mm) | Width Tolerance(mm) | Flatness (％) | Camber within 2m |
| 0.18 | ±0.015 | ≦0.020 | ≦0.010 | 0~+1 | ≦1.5 | ≦0.9 |
| 0.2 | ±0.015 | |||||
| 0.23 | ±0.020 | ≦0.025 | ≦0.015 | |||
| 0.27 | ±0.025 | |||||
| 0.3 | ±0.025 | |||||
| 0.35 | ±0.025 | |||||
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