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Stator Laminations

Silicon Steel Stator Laminations

Cost-effective, high-efficiency magnetic cores for industrial and commercial electric machines.

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The Industry Standard. Engineered to Outperform.

Silicon Steel laminations are the backbone of modern electric motors, trusted across industries for their balanced magnetic performance, proven reliability, and manufacturing scalability.

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The Right Material for High-Volume, High-Reliability Applications

Silicon Steel (Fe-Si) laminations are precision-stamped, electrically insulated magnetic steel sheets stacked to form stator cores. The addition of silicon increases electrical resistivity, directly reducing eddy current losses and improving efficiency across a wide operating frequency range. The result: a dependable, well-understood material optimised for motors where efficiency, cost, and scalability all matter.

Technical Specifications

Property

Value

Thickness

0.1 mm – 0.65 mm

Saturation Flux Density

~1.9 – 2.05 T

Resistivity

~40 – 55 μΩ·cm

Core Loss (W15/50)

Grade-dependent

Insulation Coating

C-3, C-5, or C-6

Bonding

Self-bonded laminations available

The PML Manufacturing Flow

1

Requirement Analysis

Specs, drawings, and application understanding review.

2

Process & Tooling

Precision die design matched to your lamination geometry and grade.

3

Stamping & Forming

High-precision production across M-grade silicon steel variants.

4

Heat Treatment

ASM 2750E compliant stress relief and optimization.

5

Magnetic Testing

BH loop, coercivity, and in-house magnetic characterization.

6

Traceability & QA

Full traceability from raw material mill to finished goods.

Where Silicon Steel Performs

1

Industrial Motors & Generators

HVAC, pumps, compressors, and drives where efficiency and cost must be balanced.

2

Automotive Auxiliaries

Power steering, HVAC blowers, hub motors, and ancillary systems where reliability over lifetime is critical.

3

Energy Infrastructure

Distribution transformers and renewable energy generators requiring consistent magnetic performance.

4

Industrial Automation

Servo motors and actuators where precision motion control meets high production volumes.

Not sure if Silicon Steel is the right choice for your application?

Our engineers can compare it against Nickel Alloy and Cobalt-Iron options to find the optimal material for your performance and cost targets.

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Pioneering cutting-edge technology to develop reliable, high-performance magnetic components and engineering solutions.