High Purity Electromagnetic Pure Iron Sheet/Plate for Transformers & Motors

Engineered for exceptional magnetic performance, our High Purity Electromagnetic Pure Iron Cold Rolled Sheets deliver uncompromised efficiency in energy conversion applications. These precision-rolled sheets feature ultra-low core loss characteristics and superior permeability that outperform conventional electrical steels, making them ideal for demanding transformer and motor applications where energy savings and thermal management are critical.

Unlike standard silicon steel, our pure iron sheets achieve magnetic flux densities exceeding 1.8T while maintaining remarkably consistent performance across temperature variations. The cold rolling process ensures dimensional tolerances within ±0.02mm, enabling seamless integration into laminated cores without compromising the magnetic circuit integrity.

Manufactured under controlled atmosphere conditions, our production process eliminates impurities to ≤0.003% sulfur content and ≤0.002% phosphorus content, significantly reducing hysteresis losses. The material's consistent grain orientation allows for directional magnetic properties that can be optimized for specific applications upon request.

Available with optional surface treatments including phosphate coating or annealing under hydrogen atmosphere, these sheets can be supplied in coils or cut-to-size blanks with custom stacking configurations. Our technical team provides application engineering support to optimize core designs for specific performance requirements.

Ordering Instructions:

(1) Select the correct grade: Grades DT3 and DT3A do not guarantee freedom from magnetic aging. For guaranteed non-aging properties, order DT4 (A, E, C). Magnetic performance levels are Standard, Advanced (A), Extra High (E), and Super (C). For higher magnetic performance, specify higher grades (E, C).

(2) Guaranteed properties: The electromagnetic pure iron series generally guarantees electromagnetic performance; chemical composition is not the acceptance criterion unless specified by the customer in the contract.

(3) Magnetic annealing: The electromagnetic properties of our products are measured on test samples after magnetic annealing. However, products are delivered in hot-rolled, hot-forged, or softened annealed (for cold-rolled/cold-drawn material) conditions. Therefore, to fully realize the material's magnetic potential, parts must undergo magnetic annealing after manufacturing.

* Simplified Annealing Process (if carbon content ≤ 0.007%): 850°C for 3 hours.

* Standard Annealing Process (if carbon content > 0.007%): Follow the process specified by the Chinese National Standard (GB).

(4) Standard magnetic tests: Typically, only coercivity (Hc) and post-aging coercivity are routinely tested. If guarantees for magnetic induction (B) or maximum permeability (μm) are required, please specify this in the contract.

(5) High-precision cold-rolled material: For extra-thickness precision in cold-rolled materials, please order Super Precision Cold-Rolled Sheet according to standard YB(T) 34-86.

(6) Custom specifications: For requirements exceeding current GB or YB(T) standards, we can negotiate and establish a separate technical agreement for supply.

(7) Delivery time: For standard, non-processed goods, the delivery period is typically 1-2 working days. For goods requiring additional processing, the delivery time will be determined based on the complexity of the drawings.

(8) For more pure iron technical data, information, market trends, and knowledge, or to request a quote, please contact us.

(9) Information accuracy disclaimer: Due to the vast amount of online information, prices and delivery terms listed on websites may not always be current. We appreciate your understanding. Please contact us directly for accurate, up-to-date information. All details are subject to final confirmation upon inquiry.

Frequently Asked Questions

Q1: What makes pure iron superior to silicon steel for electromagnetic applications?
 A: Pure iron offers approximately 30% higher saturation flux density (typically 2.15T vs 1.8T) and significantly lower hysteresis losses, though it requires more precise manufacturing control to maintain these advantages.

Q2: Can you provide material certification?
 A: Full material traceability with chemical composition reports and magnetic property test certificates are available upon request for each production batch.

Q3: What packaging options are available?
 A: Standard packaging includes VCI paper + waterproof wrapping + wooden pallets. Special packaging for sensitive applications can be arranged.

Q4: What is the typical lead time for custom sizes?
 A: Standard sizes ship within 15 days. Custom widths/thicknesses require 25-30 days production time plus shipping.

Q5: Do you provide technical support for core design?
 A: Our engineering team offers complimentary consultation on lamination design optimization based on your specific operating parameters.

Ready to Enhance Your Electromagnetic Efficiency?

Request sample materials with complete test reports to validate performance in your application. Our technical specialists are available to discuss your project requirements and provide tailored material solutions that deliver measurable efficiency improvements.

Contact Shanxi Juli Run Technology today for volume pricing and discover how our high-purity electromagnetic sheets can reduce your system energy losses while improving power density and thermal management.