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Help CenterCold Rolled Thin Sheet Pure Iron DT4C for High-Frequency Electromagnetic Applications
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Shanxi Juli Run Technology presents the DT4C Cold Rolled Pure Iron Sheet – engineered specifically for demanding high-frequency electromagnetic applications. This premium material offers exceptional magnetic properties with minimal core loss, making it ideal for precision components in energy-efficient systems. Manufactured under strict quality control, our pure iron sheets ensure consistent performance in critical environments where electromagnetic stability is non-negotiable.
Unlike conventional electrical steels, DT4C grade delivers superior permeability at frequencies above 1kHz while maintaining excellent saturation flux density. This combination allows designers to create smaller, lighter electromagnetic devices without compromising efficiency. With customizable dimensions and surface treatments, we provide tailored solutions for transformers, sensors, and shielding components across aerospace, medical, and renewable energy sectors.
| Property | Value | Test Standard |
|---|---|---|
| Iron Content | > 99.8% | GB/T 223 |
| Resistivity | 0.12 μΩ·m | GB/T 351 |
| Coercive Force | < 80 A/m | GB/T 3657 |
| Max. Permeability | > 0.008 H/m | GB/T 3657 |
Key Advantages for Engineers:
- Reduced eddy current loss by up to 40% compared to standard silicon steels at 10kHz operation
- Precision-controlled carbon content (<0.01%) prevents magnetic aging
- Cold-rolled surface (Ra ≤ 0.8μm) enables tight lamination stacking
- Available in annealed state for optimal magnetic properties
Our production facility in Taiyuan utilizes vertical integration from raw material purification to final inspection, ensuring traceability and batch-to-batch consistency. The DT4C sheets undergo vacuum degassing and triple cold rolling processes to achieve ultra-low impurity levels. For specialized applications, we offer custom annealing cycles (hydrogen atmosphere available) to meet specific permeability requirements.
Typical Applications Include:
- High-frequency power transformers (SMPS, inverters)
- Precision magnetic shielding for MRI and scientific instruments
- Electromagnetic actuators in automotive systems
- RFID antenna cores and sensor components
Partner with Shanxi Juli Run for reliable electromagnetic solutions backed by technical expertise. Our engineering team provides material selection guidance and prototyping support to accelerate your development cycle. Contact us today to discuss how DT4C pure iron can enhance your product performance while reducing total system costs through improved energy efficiency.
Frequently Asked Questions:
- Q: What is the maximum operating temperature for DT4C sheets?
A: Standard grade operates up to 150°C. For higher temperatures (up to 400°C), special heat-resistant variants are available upon request. - Q: Can you provide sheets with insulation coating?
A: Yes, we offer optional phosphate or C5 coatings for interlaminar insulation, reducing eddy current losses by an additional 15-20%. - Q: Do you supply pre-cut laminations?
A: Our in-house tooling department produces custom stamped laminations with ±0.05mm tolerance. Send your CAD drawings for evaluation. - Q: How does DT4C compare to permalloy in high-frequency applications?
A: DT4C offers higher saturation flux density (2.15T vs 0.8T) at lower cost, while permalloy has better initial permeability. We recommend DT4C for power-dense designs above 500Hz. - Q: What packaging options are available?
A: Standard packaging includes rust-proof paper + wooden pallets. VCI film and vacuum sealing are optional for export shipments.
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