Transformer Core Lamination | Crgo Transformer – Sarjani Coretech

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Transformer Core Lamination

At Sarjani Coretech, we specialize in manufacturing high-quality CRGO transformer core laminations designed for low core loss, high magnetic efficiency, and long-term performance. Available in both mitred and rectangular configurations, our laminations are precision-cut and burr-free, ensuring optimal magnetic flux and minimal energy loss.

Key Features of Transformer Core Lamination

Material

CRGO (Cold Rolled Grain Oriented Electrical Steel) – Prime Grade

Thickness Options

0.23 mm, 0.27 mm, 0.30 mm

Lamination Types

Mitred (45° angle), Rectangular (90° corners), Step-lap, Multi-step

Core Shapes

E&I, C, L, U, Circular (custom shapes available)

Slit Coil Width

Custom widths from 20 mm to 1000 mm

Lamination Length

Up to 1600 mm (or customized based on transformer design)

Burr Height

< 0.02 mm (Precision-controlled for reduced loss)

Coating Type

C5/C6 inorganic insulation coating (as per IEC standards)

Stacking Tolerance

± 0.2 mm

Packaging

Anti-rust paper wrap, wooden pallets/crates, coil banding

Why Choose Us?

With 25+ years of expertise, Sarjani Coretech is a trusted name in transformer core solutions. We combine precision engineering, premium CRGO steel, and custom manufacturing to deliver laminations that meet the highest performance and reliability standards. Our in-house capabilities ensure tight tolerances, fast turnaround, and consistent quality—making us the preferred partner for top transformer manufacturers.

25+ Years of Experience

Trusted by top transformer manufacturers across India

In-House Slitting & Cutting

Full control over quality and turnaround time

Technical Expertise

Support in selecting right grade and configuration

Consistent Quality

Strict Quality Check at every stage of manufacturing

Scalable Capacity

From small batch orders to bulk production

Commitment to Efficiency

Every lamination is designed to minimize energy loss

Get in Touch

Feel free to share the context of your inquiry.

+91 8849645179

sarjani.coretech@gmail.com

    Frequently Asked Questions

    What materials do you use for transformer core laminations?
    We use prime-grade CRGO electrical steel for high efficiency and durability.
    0.23 mm, 0.27 mm, and 0.30 mm.
    Mitred, rectangular, step-lap, and multi-step configurations.
    Yes, we offer E&I, C, L, U, circular, and other custom shapes.
    Custom widths from 20 mm to 1000 mm and lengths up to 1600 mm.
    How precise are your laminations?
    We maintain a burr height under 0.02 mm and stacking tolerance of ± 0.2 mm.
    C5/C6 inorganic insulation coating as per IEC standards.
    With anti-rust paper, wooden pallets/crates, and coil banding for safe delivery.
    Yes, we cater to both small batches and large-scale production.

    Yes, we supply laminations to both Indian and overseas transformer manufacturers.

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