Short Description:

Electrical steel, also called lamination steel, silicon electrical steel, silicon steel or transformer steel, is a material used to produce certain magnetic cores, such as stators and rotors in transformers and motors. Electrical steel is also an indispensable material for the power, electronics and military industries.


Product Detail

Grain-oriented electrical steel usually has a silicon level of 3% (Si:11Fe). It is processed in such a way that the optimal properties are developed in the rolling direction, due to a tight control (proposed by Norman P. Goss) of the crystal orientation relative to the sheet. The magnetic flux density is increased by 30% in the coil rolling direction, although its magnetic saturation is decreased by 5%. It is used for the cores of power and distribution transformers, cold-rolled grain-oriented steel is often abbreviated to CRGO.

Standard size range of product

Nominal Thickness (mm)

Nominal Width(mm)

Inner Diameter (mm)

0.23, 0.27, 0.30, 0.35

650-1200

508

Deviation of the Width, Thickness and length

Nominal width

Nominal thickness

Thickness deviation

Transversal Thickness deviation

Width deviation

Width tolearance

Waviness

%

≤650

800-1000

≤1200

0.23,

0.27,

0.30,

0.35

0.23:±0.020

0.25:±0.025

0.30:±0.025

Other thickness ±0.030

 

≤0.020

≤0.025

 

≤0.015

 

0–1

 

≤1.5

Product Specification, Delivery weight and executive standard

Product Specification Delivery Weight Executive Standard
Thickness 0.23/0.27/0.39 * Coil Products delivery upon coil  coil weight ≤2-3 ton GB/T 2521.2-2016

Grain Oriented Electrical
Grain Oriented Electrical-2


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