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Help CenterElectrical Pure Iron Cold Rolled Sheet DT4C Grade for Industrial Applications
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Shanxi Juli Run Technology presents premium cold-rolled electrical pure iron sheets engineered for demanding industrial applications. Our DC01/DC04/DT4 grade material delivers exceptional magnetic performance essential for electromagnetic components across multiple sectors.
Manufactured with precision rolling technology in Taiyuan, China, these sheets feature:
Consistent thickness tolerance within ±0.02mm
Superior surface quality with Ra ≤ 0.8μm
Controlled crystal orientation for optimized flux density
Annealed finish for enhanced formability
The material's electromagnetic characteristics make it particularly suitable for:
| Parameter | DC01 | DC04 | DT4 |
| Yield Strength (MPa) | 140-220 | 120-180 | ≤180 |
| Coercivity (A/m) | ≤96 | ≤72 | ≤48 |
| Max Permeability | ≥6000 | ≥7000 | ≥9000 |
Key technical advantages include:
Reduced core loss - Up to 15% lower than commercial grades at 1.5T/50Hz
Improved stacking factor - Enables compact component design
Excellent punching characteristics - Minimizes tool wear during stamping
Batch consistency - Controlled chemical composition (C≤0.008%, Si≤0.03%)
Our cold-rolled sheets undergo rigorous quality control including:
Ultrasonic thickness mapping across full coil width
Eddy current testing for surface defects
Epstein frame verification of magnetic properties
Statistical process control of mechanical parameters
Applications span from small relay cores to large transformer laminations, serving industries including:
Power equipment manufacturing
Electric vehicle motor production
Precision sensor fabrication
Industrial automation systems
Customization options include:
Slitting to widths from 10mm to 1250mm
Special protective coatings (phosphating available)
Precision leveling for flatness ≤1.5mm/m
Vacuum annealing for critical applications
Partner with Shanxi Juli Run Technology for reliable material solutions that enhance your product performance while reducing total manufacturing costs. Our technical support team provides application engineering guidance from prototype to mass production.
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
Q: What is the typical lead time for orders?
A: Standard grades ship within 14 days; customized processing may require 3-4 weeks.
Q: Can you provide material certification?
A: Mill test certificates including chemical composition and magnetic properties accompany every shipment.
Q: How should I store these sheets?
A: Store in dry conditions below 60% RH. For extended storage, vapor barrier wrapping is recommended.
Q: What packaging options are available?
A: Standard waterproof wrapping with steel strapping on wooden pallets. Special export packaging available.
Q: Do you offer technical assistance for stamping processes?
A: Yes, our engineers can provide die clearance recommendations and processing parameters.
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