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Electrical Transformer Grain Oriented Silicon Steel Coil

Grain-oriented silicon steel (Fe-Si steel; transformer steel; electrical steel) is a soft magnetic polycrystalline metallic alloy that is used as core material in electrical transformer cores and electrical motors.

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Silicon Steel Sheet Coil-For Wholesale Only

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Specification	Dimension for each part
GOODS	A	B	C	D	F	G	H	I	J	K	Φ
UI-30B	90	150	30	30	90	120	30	60	120	15	8
UI-35B	105	175	35	35	105	140	35	70	140	17.5	8
UI-38B	114	190	38	38	114	152	38	76	152	19	8
UI-40B	120	200	40	40	120	160	40	80	160	20	10
UI-44B	132	220	44	44	132	176	44	88	176	22	8
UI-50B	150	250	50	50	150	200	50	100	200	25	8
UI-60B	180	300	60	60	180	240	60	120	240	30	13
UI-70B	210	350	70	70	210	280	70	140	280	35	12
UI-80B	240	400	80	80	240	320	80	160	320	40	14
UI-90B	270	450	90	90	270	360	90	180	360	45	14
UI-100B	300	500	100	100	300	400	100	200	400	50	14

Silicon steel sheets and coils are essential materials in transformer manufacturing. Based on their characteristics and applications, they are classified as follows:

1. Silicon steel sheets are primarily divided into hot-rolled and cold-rolled types. Hot-rolled silicon steel sheets possess good magnetic permeability and are widely used in motors, electrical appliances and other fields; cold-rolled silicon steel sheets, on the other hand, are characterised by high magnetic flux density and low loss, and are commonly used in high-performance electronic equipment.

2. Silicon steel coils are classified into multiple grades based on silicon content, thickness, width and other factors. These include high-, medium- and low-silicon steel coils, as well as ultra-thin, standard and thick-gauge coils. Furthermore, there is a distinction between grain-oriented and non-grain-oriented silicon steel coils; the former possesses directionality, whilst the latter does not.

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