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Cr28 decarburization Silicon steel/Electrical steel

Cr28 decarburization Silicon steel/Electrical steel

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Silicon Steel

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.

Non-oriented electrical steel usually contains a level of 2%-3.5% silicon. It has similar magnetic properties in all directions, the so-called isotropy.

Grain-oriented electrical steel usually contains a level of 3% silicon and is processed in a way to develop ideal properties in the rolling direction. Cold-rolled non-grain-oriented steel (CRNGO) is less expensive than cold-rolled grain-oriented steel (CRGO). CRNGO can be used in cost-oriented applications with the inconstant direction of magnetic flux, such as electric motors and generators. CRGO is usually in coil form and has to be cut into laminations further, being used in transformer core applications, such as certain internal parts in audio output transformers.

Features of ZLYS GO electrical steel products

Excellent electromagnetic property

first-class equipment, leading manufacturing process and strict management ensure the excellent and stable electromagnetic property of ZLYS 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

ZLYS’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

ZLYS 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 ZLYS GO electrical steel, so as to improve the utilization ratio of the material.

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Product Specification and Size :

ThicknessWidthSlittingInside DiameterOutside Diameter
0.35mm, 0.50mm, 0.65mmOriginal: 750~1290mm40~645mm508~610mm800~1550mm


Application

Silicon steel is the most important magnetic material in industrial applications. The general applications include volt relays or pulse transformers from the generator, automotive, and transformer sectors.

ApplicationsOrientedsilicon steelNon-orientedsilicon steelApplicationsOrientedsilicon steel
HiB steelGeneral orientedsilicon steelThin oriented siliconsteelHigh gradenon-oriented silicon steelMiddle gradenon-oriented silicon steelLow grade non-orientedsilicon steelHiB steelGeneral orientedsilicon steelThin oriented siliconsteel
Thickness(mm)Thickness(mm)
0.23,0.27,0.300.27,0.30,0.350.15, 0.200.35,0.50,0.650.35, 0.500.50, 0.650.23,0.27,0.300.27,0.30,0.350.15, 0.20
LargeMotorsLarge Motors
Medium-sizedmotorMedium-sized motor
SmallmotorSmall motor
MicromotorMicro motor
SealingmotorSealing motor
IntermittentmotorIntermittent motor
IFmotorIF motor
CompressorCompressor
RectifierRectifier
ChokeChoke
RelayRelay
ElectromagneticswitchElectromagnetic switch
Largepower transformerLarge powertransformer
Small& medium power transformerSmall & mediumpower transformer
DistributiontransformerDistributiontransformer
RegulatorRegulator

Mechanical Property

Mechanical Property
GradeYeild Strength(N/mm2)Ultra-TensionStrength(N/mm2)Ductility(%)Hardness(HV1
M35W23043056020225
M35W25041555020.5220
M35W27040051520.5215
M35W30036048021.5195
M35W36035048023.5190
M35W44027542027.5165
M35W55026541533.5160
M50W25043056019230
M50W27041055021.5225
M50W29039554522.5220
M50W31038551024.5210
M50W35035047526.5190
M50W40032046036170
M50W47029542535160
M50W60028041037140
M50W80028540538.5135
M50W1300(D)25036040115

Insulating Coating

Insulating Coating
Coating typesM11M21
ComponentChromium containing , semi organic coatingChromium free, semi organic coating
Coating thickness(μm)0.7~1.50.8~5.0
Interlayer resistance(Ω•mm2/slice)≥100≥100
Adhesive propertyClass A or class BClass A or class B
Punching propertyExcellentExcellent
Antirust propertyExcellentExcellent
Heat resisting propertyResistant annealing at 750 C, N2 protection, for 2hAnnealing resistance in general

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