DT4 Pure Iron Supplier | Xinye Taiming - Ultra-Low Carbon Soft Magnetic Material
Xinye Taiming supplies ASTM-compliant DT4 pure iron with ≤0.004% C, high permeability (μ=15k-25k), and low hysteresis loss. Certified for precision magnetic components.
Product Overview
Xinye Taiming's DT4 pure iron is a premium soft magnetic material engineered for critical electromagnetic applications. With ultra-low carbon content and controlled crystalline orientation, it delivers exceptional DC/AC magnetic performance while minimizing eddy current losses.
Key Differentiators
| Feature | DT4 Pure Iron | Generic Pure Iron |
|---|---|---|
| Carbon Content | ≤0.004% | ≤0.025% |
| Initial Permeability (μi) | 15,000–25,000 | 8,000–12,000 |
| Coercivity (Hc) | ≤72 A/m | 90–150 A/m |
| Surface Insulation | Phosphate + organic coating | Uncoated/Simple oil film |
Chemical Composition (GB/T 6983 Standard)
| Element | Content (%) | Tolerance | Functional Impact |
|---|---|---|---|
| Fe | ≥99.80 | ±0.05 | Magnetic flux carrier |
| C | ≤0.004 | ±0.001 | Reduces hysteresis loss |
| Si | ≤0.03 | ±0.005 | Controls resistivity |
| Mn | ≤0.02 | ±0.003 | Stabilizes grain structure |
| P | ≤0.015 | ±0.002 | Prevents cold brittleness |
| S | ≤0.003 | ±0.0005 | Minimizes magnetic aging |
| Al | ≤0.003 | ±0.0003 | Enhances oxidation resistance |
Magnetic & Mechanical Properties
| Parameter | Test Value | Standard | Application Context |
|---|---|---|---|
| Saturation Flux (Bs) | 2.15 T (@ 50 Hz) | IEC 60404-3 | Motor cores, transformers |
| Core Loss (P1.5/50) | ≤3.8 W/kg | ASTM A937 | High-frequency inductors |
| Resistivity | 12 μΩ·cm | JIS C 2506 | Eddy current suppression |
| Vickers Hardness | 85–100 HV30 | ISO 6507 | Machinability optimization |
| Lamination Factor | ≥97% | DIN EN 10106 | Stacking efficiency |
Material Forms & Processing
| Form | Dimensions | Tolerance | Post-Processing Options |
|---|---|---|---|
| Coils | Thickness: 0.1–2.0mm | ±0.01mm | Hydrogen annealing (μ↑30%) |
| Sheets | Width: 600–1250mm | ±0.5mm | Laser cutting, etching |
| Rods | Ø10–150mm | ±0.1mm | CNC machining, grinding |
| Custom Blanks | As per CAD drawings | IT8-IT10 | Vacuum stress relief annealing |
Industry Applications
<div style="display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0;"> <div class="app-card"> <h4>🛰️ Aerospace Sensors</h4> <p>-40°C to +150°C stable permeability</p> </div> <div class="app-card"> <h4>🔋 EV Charging Coils</h4> <p>97% lamination efficiency</p> </div> <div class="app-card"> <h4>🏭 Industrial Relays</h4> <p>≤0.5% magnetic drift over 10k cycles</p> </div> </div>
Quality Assurance System
| Stage | Control Method | Target Specification |
|---|---|---|
| Melting | Vacuum Induction Furnace | O₂ ≤25 ppm, N₂ ≤15 ppm |
| Rolling | 6-Hi reversible cold rolling | Thickness uniformity ≤1.2% |
| Annealing | Hydrogen atmosphere | Grain size ASTM No.6–7 |
| Testing | Epstein Frame + B-H Analyzer | μ@1T: ±3% lot consistency |
Competitive Advantages
🌱 Green Manufacturing: 100% renewable energy-powered production
📦 Smart Packaging: RFID-tagged bundles for inventory tracking
🌍 Global Compliance: REACH, RoHS, and DFARS compliant
Technical Support
📊 Free magnetic simulation (Maxwell 3D/FEMM)
🔧 On-site processing guidance for stamping dies
📈 Batch-specific Barkhausen noise test reports
FAQ
Q: Can DT4 be used for high-speed rotating cores?
A: Yes – Our stress-relief annealing reduces magnetostriction by 40%.
Q: Do you supply pre-insulated laminations?
A: Optional C5/C6 insulation coating available (IEC 60404-1).
Q: Lead time for customized heat treatment?
A: 18–22 days for decarburization-free annealing.
Why Xinye Taiming?
🧪 Proprietary triple degassing process (O₂ <15 ppm)
⏱️ 72-hour rapid prototyping for blank samples
🔄 Closed-loop recycling program for production scrap