ASTM standard Grain Oriented Silicon Electrical Steel Coil

Grain Oriented Silicon Electrical Steel Product Description

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the main difference between oriented and non oriented silicon steel

The main distinction lies in the internal structure between oriented and non-oriented silicon steel sheets. In oriented silicon steel, the grains are predominantly aligned in a single direction, hence the term "oriented."

 

On the other hand, non-oriented silicon steel exhibits a random grain arrangement, resulting in higher heat loss compared to its oriented counterpart. This characteristic makes grain-oriented silicon steel suitable for meeting the stringent processing requirements of transformers and rotors.

 

Grain Oriented Electrical Steel Key Characteristics

• High Permeability:

The oriented crystal structure facilitates magnetic flux, allowing it to efficiently carry magnetic energy.

 

• Low Core Losses:

It is engineered to minimize hysteresis and eddy current losses, leading to greater energy efficiency.

 

• Optimized for Rolling Direction:

The material's magnetic properties are strongest in the direction of the rolling process.

 

• High Silicon Content:

Typically contains about 3% silicon, though this can vary, to enhance magnetic performance.

 

Grain Oriented Electrical Steel Applications

• Transformers:

The primary application is for the cores of power and distribution transformers, where its directed magnetic flux is crucial for efficient voltage conversion.

 

• Generators:

Used in large, high-performance generators, particularly those that require high efficiency and low energy loss.

 

• Electric Motors:

High-performance versions are used in the stators and rotors of electric vehicles to improve efficiency and range.

 

specification of GO silicon steel

Item	GO Electrical steel
Available thickness(mm)	0.23 0.27 0.30 0.35
Available Width (mm)	800~1200
Inside Diameter(mm)	508
Weight	2~5T

Note: Coil weight can be customized

 

Dimensional and shape tolerances( for reference)

Available thickness (mm)	Thickness tolerance (mm)	Transverse thickness tolerance (mm)	Longitudinal thickness tolerance (mm)	Width tolerance (mm)	Flatness (%)	Camber 2m (mm)
0.23	±0.020	≤0.020	≤0.030	0~+2	≤1.5	≤1.0
0.27	±0.030
0.30
0.35

 

Typical Mechanical Properties(For reference)

Available thickness (mm)	Hardness (HV1)	Tensile strength (MPa)	Yield strength (MPa)	Elongation (%)	Number of bends	Lamination factor (%)	Adhesion (grade)
0.23	198	350	330	12	21	96.5	B-C
0.27	200	355	332	12	21	97.0	B-C
0.30	204	359	334	13	21	97.0	B-C
0.35	204	362	342	13	21	97.5	B-C

 

Cross reference of Designation(For reference)

We provide prime and reliable quality grain oriented silicon steel which meet the international standards.

Type	Thickness (mm)	Shousteel	Baosteel	NSC	JFE	TKS	Posco	NI&SCO	AK
Common type	0.23	23SQ110	B23G110			C110-23
	0.27	27SQ10	B27G120	27Z120	7JG120	C120-27	27PG120	NV27S-120	M-4
				27Z130	27JG130	C130-27	27PG130	NV27S-130	M-4
						C140-27	27PD140	NV27S-140
	0.30	30SQ120	B30G120	30Z120	30JG120		30PG120	NV30S-120
		30SQ130	B30G130	30Z130	30JG130	C130-30	30PG130	NV30S-130
		30SQ140	B30G140	30Z140	30JG140	C140-30	30PG140	NV30S-140	M-5
						C150-30
High magnetic induction type	0.27	27SQG090	B27P090	27ZH090			27PH095
		27SQG095	B27P095	27ZH095		H095-27	27PH095
		27SQG100	B27P100	27ZH100	27JGH100	H103-27	27PH100	NV27P-100
				27ZH110	27JGH110				H-1
	0.30	30SQG100	B30P100	30ZH100	30JGH100	H105-30	30PH100
		30SQG105	B30P105	30ZH105	30JGH105	H111-30	30PH105	NV30P-105
				30ZH110	30JGH110
		30SQG120	B30P120	30ZH120
Domain refined high magnetic induction type	0.23	23SQGD080	B23R080	23ZDKH80			23PHD080
		23SQGD085	B23R085	23ZDKH85			23PHD085
		23SQGD090	B23R090	23ZDKH90
	0.27	27SQGD085
		27SQGD090	B27R090	27ZDKH90 27ZDMH90	27JGSD	H090-27	27PHD090
		27SQGD095	B27R095	27ZDKH95 27ZDMH95	27JGSD95		27PHD095		H-1DR
	0.30	30SQGD095
		30SQGD100
		30SQGD105