Product Overview
Unlike standard industrial iron, DT4/DT4C is a specialized grade of high-purity electrical iron with guaranteed low carbon, low impurities, and excellent magnetic properties. We produce electrolytic iron flakes that can be customized in shape and size to suit your specific process:
Regular 30mm × 30mm square flakes – ideal for furnace charging in alloy smelting and magnetic core lamination
Irregular flaky particles – high surface area for powder metallurgy and chemical synthesis
As the actual manufacturer, we offer:
Factory-direct pricing – no trader margins
Flexible customization – shape, size, and chemical composition
Grade traceability – DT4, DT4C, or tailor-made to your target specification
Key Features
| Feature | Description |
|---|---|
| Grades | DT4, DT4C (compliant with GB/T 6983-2008) |
| Purity | ≥99.9% (typical 99.95% – 99.99%) |
| Shape Options | Regular 30mm square flakes / Irregular flaky particles |
| Size Customization | Any size or particle distribution upon request |
| Magnetic Properties | High magnetic permeability, low coercivity, low remanence |
| Metallurgical Benefits | Ultra-low carbon & impurities for clean alloy melting |
| Factory Direct | Competitive pricing, direct technical support |
What Are DT4 & DT4C Grades?
DT4 and DT4C are Chinese national standard grades for electrical pure iron (GB/T 6983-2008), equivalent to international soft magnetic iron materials. They are characterized by:
| Property | DT4 (General) | DT4C (High Performance) |
|---|---|---|
| Carbon (C) | ≤0.005% | ≤0.003% |
| Magnetic Coercivity (Hc) | ≤72 A/m | ≤48 A/m |
| Magnetic Permeability (μ) | High | Very High |
| Typical Applications | Relays, solenoids, magnetic shields | Precision magnetic cores, transformers, sensors |
Our electrolytic iron flakes can be supplied to meet either DT4 or DT4C specifications, or custom compositions in between.
Applications by Shape & Grade
| Shape | Recommended Grade | Applications |
|---|---|---|
| 30mm square flakes | DT4 / DT4C | Alloy smelting, magnetic core lamination, vacuum induction melting |
| Irregular particles | DT4C | Powder metallurgy soft magnetic composites, MIM feedstock |
| Custom shape | As required | Specialized magnetic assemblies, research materials |
Frequently Asked Questions
Q: Can you supply a smaller trial quantity before bulk order?
A: Yes. Samples (1 2 kg) are available for testing – you only pay shipping. Trial orders of 50 100 kg are also welcome.
Q: Do you offer any price advantage compared to traders?
A: Absolutely. As the manufacturer, our factory-direct price is typically 15-25% lower than trading companies for the same purity grade. Request a quote to compare.
Q: Can you help with export documentation?
A: Yes. We provide commercial invoice, packing list, COA, bill of lading, and any other documents required for your customs clearance.
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