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Electrical Steel Sheet

Jiangsu Taigang Metal Products Co., Ltd.

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Detailed introduction

Silicon Steel

Silicon steel, also known as electrical steel, silicon electrical steel, lamination steel, relay steel, or transformer steel is specialty steel with silicon added to it, which improves its electrical resistivity and magnetic properties, and reduces hysteresis loss. This steel is ideal for various electrical applications where electromagnetic fields are important, such as transformers, magnetic coils, and electrical motors.


Electrical steel usually referred to as cold-rolled electrical steel, can be divided into two major categories including grain-oriented electrical steel and non-oriented electrical steel. Grain-oriented electrical steel, with its easy magnetization direction parallel to the rolling direction, has excellent magnetic properties in this direction including low core loss, high permeability, and low magnetostriction, and is widely used in the transformer industry. Further, it can obtain lower core loss by domain refinement treatment. Meanwhile, non-oriented electrical steel, featured by a random distribution of grain orientation and magnetic isotropy, is widely applicable to the motor industry.


Features of Taigang Puxin GO electrical steel products

Excellent electromagnetic property
first-class equipment, leading manufacturing process and strict management ensure the excellent and stable electromagnetic property of Taigang Puxin GO electrical steel.
Outstanding processability
high accuracy dimension and excellent mechanical property are convenient for the users to slit, cut, and laminate.
Preeminent dimensional accuracy
Taigang Puxin’s leading equipment and manufacturing technology ensure good shape, smooth surface, uniform thickness, small intra-plate deviation, and high lamination factor.
Excellent surface coating property
Taigang Puxin electrical steel has a uniform surface coating with good adhesiveness, which can prevent the peeling of the coating during processing; the interlaminar insulation property is good.
More width options
The users can choose from sheet widths of 700-1200mm of Taigang Puxin GO electrical steel, so as to improve the utilization ratio of the material.


Application Fields



Fields of Application

Fields of application

Grain-oriented electrical steel

Non-oriented electrical steel

Series G

Series P

Series R

Series A

Series AH

Series AR

Series AT

230~400

440~700

800~1300

230~470

600~1000

Rotators

Large-sized motors

 

 

 

 

 

 

 

 

Medium-sized motors

 

 

 

 

 

 

 

Compressor motors

 

 

 

 

General motors

 

 

 

 

Small-sized precision motors

 

 

 

 

Motors for electric cars

 

 

 

 

 

 

Static device

High-frequency motors

 

 

 

 

 

 

 

Large-sized transformers

 

 

 

 

 

 

 

Small-sized power transformers

 

Transformers for instruments

 

 

 

 

 

 

 

Reactors and magnetic amplifiers

 

 

 

 

 

 

Power switches

 

 

 

 

 

 

 

 

 

Transformers for welding

 

 

 

 

 

 

 

Voltage regulators

 

 

 

 

Magnetic sealers

 

 

 

 

 

 

Electromagnetic devices for accelerators

 

 

 

 

 

 



Material Selection
Grain-oriented electrical steel

Varieties

Common type

High induction type

Domain refined
high induction type

Large motors

 

Large transformers

Medium and small transformers

Distributing transformers

 

Voltage regulator

Reactor and magnetic amplifier

 

IF transformer

 

 

Mutual inductor

 

TV transformer

 

Radio transformer

 

Radio broadcast transformer

 

 


Mechanical Property

Mechanical Property

Grade

Yeild Strength
(N/mm2)

Ultra
-Tension
Strength
(N/mm2)

Ductility
(%)

Hardness
(HV1

M35W230

430

560

20.0

225

M35W250

415

550

20.5

220

M35W270

400

515

20.5

215

M35W300

360

480

21.5

195

M35W360

350

480

23.5

190

M35W440

275

420

27.5

165

M35W550

265

415

33.5

160

M50W250

430

560

19.0

230

M50W270

410

550

21.5

225

M50W290

395

545

22.5

220

M50W310

385

510

24.5

210

M50W350

350

475

26.5

190

M50W400

320

460

36.0

170

M50W470

295

425

35.0

160

M50W600

280

410

37.0

140

M50W800

285

405

38.5

135

M50W1300(D)

250

360

40.0

115


Insulating Coating

Insulating Coating

Coating types

M11

M21

Component

Chromium containing , semi organic coating

Chromium free, semi organic coating

Coating thickness(μm)

0.7~1.5

0.8~5.0

Interlayer resistance
(Ω•mm2 /slice)

≥100

≥100

Adhesive property

Class A or class B

Class A or class B

Punching property

Excellent

Excellent

Antirust property

Excellent

Excellent

Heat resisting property

Resistant annealing at 750 C, N2 protection, for 2h

Annealing resistance in general


Product Process