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Silicon Steel Lamination Core Transformer Iron Sheet Non Oriented

Iron Lamination: Non-Oriented Silicon Steel for Transformer Cores


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Brand:
Jirui

Our high-quality Iron Lamination is made from premium Non-Oriented Silicon Steel, specifically engineered for manufacturing efficient transformer cores. This Silicon Steel Lamination offers excellent magnetic properties, low core loss, and high electrical resistivity, making it ideal for power transformers, distribution transformers, and other electrical equipment.

We use precision **Metal Stamping** to ensure each **Lamination Core** meets strict dimensional tolerances. Our **Annealed Silicon Steel** process further enhances the material’s magnetic performance, ensuring stable operation even under high load conditions.

Whether you need standard or custom specifications, Jirui provides reliable **Electrical Steel Sheet** solutions to meet your transformer core requirements.

Product Description

Iron Lamination: Non-Oriented Silicon Steel for Transformer Cores

Essential details:

Type	Non-oriented silicon steel /Oriented Silicon Steel	Technique	Cold Rolled
Dimensions	EI28-288	Surface Treatment	Coated
Shape	EI Lamination	Standard	AiSi, bs, DIN, GB, AISI, ASTM, GB, Other
Place of Origin	Ningbo,Zhejiang,China	Model Number	EI CORE
Thickness	0.35 - 0.5 mm, 0.5mm or 0.35mm	Application	transformer core
Packing	CARTONS/PALLETS	Chemical Composition	Silicon Steel
Delivery Time	8-15days	Color	White or black

Introduction：

Our Iron Lamination (EI Lamination) is precision manufactured from premium Non-Oriented Silicon Steel strip, also known as Electrical Steel Sheet.

EI lamination is made by the silicon steel strip. The model of EI lamination in sizes is from EI-26 to EI-300. The gap sizes of transformer lamination core can be customized.

product parameters：

SIZE	EI-26 to EI-300 (MONO PHASE) 3PEI-16 to 3PEI-50 (TRIPLE PHASE)
THCIKNESS	0.23-0.35MM (CRGO) 0.35-0.5MM (CRNGO)
MATERIAL	M3, M4, M5, M6 (CRGO) 35W250, 35W300, 35W400 (0.35MM) M330-35A 50W250, 50W310, 50W400, 50W470, 50W600, 50W800 (0.5MM) 50W1000，50W1300 M400-50A 26M1
FREQUENCY	50HZ-60HZ
COATING	T2 Inorganic ( CRGO ) T4 Semi-organic (CRNGO)
PROCESS TECHNOLOGY	ANNEALLING & WITHOUT ANNEALLING
APPLIANCE	CONTROL TRANSFORMER, AUTO TRANSFORMER, ISOLATION TRANSFORMER,POWER TRANSFORMER，BALLAST,REACTOR,INDUCTOR,INVERTER POWER, VOLTAGE STABILIZERS.etc.

EI Lamination Size:

EI lamination drawing

EI Laminate Size(Standard)
Model	A	B	C	D	E	F	G	Hole
EI-26	26	17.3	8.6	4.3	4.3	13	4.3
EI-28	28	21	8	4	6	17	4
EI-30	30	20	10	5	5	15	5
EI-33	33	22	11	5.6	5.6	16.4	5.6
EI-35	35	24.5	10	5	7.5	19.5	5
EI-36	36	24.5	10	6.5	6.5	18	6.5
EI-38.4	38.4	25.6	12.8	6.4	6.4	19.2	6.4
EI-38.4	38.4	44.8	12.8	6.4	6.4	38.4	6.4
EI-41	41	27	13	6	8	21	6	3.2
EI-42	42	28	14	7	7	21	7	3.5
EI-44	44	30	12	8	8	22	8
EI-48	48	32	16	8	8	24	8	3.5
EI-50	50	34	14	9	9	25	9
EI-54	54	36	18	9	9	27	9	3.5
EI-57	57	38	19	9.5	9.5	28.5	9.5	4.0
EI-60	60	40	20	10	10	30	10	3.5
EI-63	63	42	21	10.5	10.5	31.5	10.5
EI-66	66	44	22	11	11	33	11	4.5
EI-67	67	45.4	19	12	12	33.5	12	5.0
EI-75	75	50	25	12.5	12.5	37.5	12.5	5.0
EI-76.2	76.2	50.8	25.4	12.7	12.7	38.1	12.7	5.0
EI-78	78	52	26	13	13	39	5	5.0
EI-78	78	53	22	14	14	39	14	5.0
EI-84	84	56	28	14	14	42	14	5.0
EI-85.8	85.8	57.2	28.6	14.3	14.3	42.9	14.3	5.0
EI-90	90	60	30	15	15	45	15	6.0
EI-94	94	64	26	17	17	47	17	6.0
EI-96	96	64	32	16	16	48	16	6.0
EI-102	102	68	34	17	17	51	17	6.0
EI-105	105	70	35	17.5	17.5	52.5	17.5	6.0
EI-106	106	72	30	19	19	53	19	7.0
EI-108	108	72	36	18	18	54	18	6.0
EI-114	114	76	38	19	19	57	19	7.0
EI-118	118	80	38	19	19	57	19	7.0
EI-120	120	80	40	20	20	60	20	7.0
EI-123	123	83.5	35	22	22	61.5	22	7.0
EI-126	126	84	42	21	2l	63	21	7.0
EI-132	132	88	44	22	22	66	22	7.0
EI-133.2	133.2	88.8	44.4	22.2	22.2	66.6	22.2	7.0
EI-144	144	98	40	26	26	72	26	7.0
EI-150	150	100	50	25	25	75	25	8.0
EI-152.4	152.4	101.6	50.8	25.4	25.4	76.2	25.4	8.0
EI-162	162	108	54	27	27	81	27	8.0
EI-168	168	112	56	28	28	84	28	9.0
EI-171	171	114	57	28.5	28.5	85.5	28.5	9.0
EI-174	174	116	58	29	29	87	29	9.0
EI-I80	180	120	60	30	30	90	30	10.0
EI-192	192	128	64	32	32	96	32	10.0
EI-210	210	140	70	35	35	105	35	10.0
EI-222	222	148	74	37	37	111	37	10.0
EI-222	222	149	70	38	38	111	38	10.0
EI-240	240	160	80	40	40	120	40	10.0
EI-288	288	196	80	52	52	144	52	12.0
EI-300	300	200	100	50	50	150	50	12.0

EI lamination drawing

EI Laminate Size(Non-Standard)
Model	A	B	C	D	E	F	G	Hole∅
EI-28	28	20.5	9.5	4.7	4.7	15.8	4.7
EI-28.2	28.2	18.8	9.4	4.75	4.75	14.1	4.75
EI-35	35	23.4	11.7	6	6	17.4	6
EI-56	56	38	16	10	10	28	10
EI-56.8	56.8	39	19	9.5	7.8	31.2	7.8	Center hole 4.0

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Why Choose Us？

- 20+ Years of Electrical Steel Expertise
- Technical Support Consultation
- Fast Sample Preparation: 3-5 Working Days
- Flexible MOQ with Competitive Pricing

FAQ

Q1:Are you a Manufacturer?
A:Yes,we both Manufacturer and trading company,you will own high quality and competitive price.

Q2:What is your sample policy?
A:The sample is free,you only need to bear the freight .

Q3: Do you have the products in stock?
A:Yes,we will keep some general ones in stock.

Q4: What's the delivery time?
A:Sample order needs 5-7 days.Formal order needs 15-21 days. Specific delivery time depends on the order situation.

Q5: What's your payment terms?
A: We usually accept T/T at sight as the main payment terms,and other payment can also be negotiated.

Q6:What is your terms of delivery?
A: EXW,FOB, CIF From Ningbo Port.

Q7:Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.