DT4C Pure Iron Rods | Ultra-Low Core Loss & High Permeability | Beilun Metals
Precision-engineered DT4C electromagnetic pure iron rods. 99.96% Fe, RoHS compliant, custom sizes. Optimized for relays, sensors & magnetic cores.
DT4C Pure Iron Rods
High-Performance Soft Magnetic Material for Precision Electromagnetic Systems
Beilun Metals delivers DT4C-grade pure iron rods with industry-leading magnetic consistency and ultra-low impurity levels. Engineered for applications demanding minimal hysteresis and maximum permeability.
DT4C vs. Competing Grades: Critical Performance Metrics
| Parameter | DT4C (Beilun) | DT4E | Commercial Pure Iron |
|---|---|---|---|
| Iron Purity (Fe) | 99.96% | 99.93% | 99.8% |
| Coercivity (Hc) | ≤72 A/m | ≤80 A/m | 90–120 A/m |
| Core Loss (50Hz) | 3.8 W/kg | 4.5 W/kg | 6.2 W/kg |
| Permeability (μmax) | 18,500 | 15,000 | 8,000–12,000 |
| Surface Oxidation | <0.2 μm layer | 0.5–1.2 μm | 1.5–3 μm |
Data tested per IEC 60404-8-1 standards.
Technical Specifications
| Category | Parameter | DT4C Specification | Test Method |
|---|---|---|---|
| Chemical Composition | Fe | 99.96% (min) | ICP-OES |
| C | ≤0.004% | ASTM E1019 | |
| Si | ≤0.01% | ||
| Magnetic Properties | Bs (Saturation) | 2.16 T | Epstein Frame |
| Residual Induction | ≤0.05 T | ||
| Physical Properties | Density | 7.85 g/cm³ | ISO 3369 |
| Vickers Hardness | 65–85 HV10 | ISO 6507 | |
| Dimensional | Diameter Range | 3mm–150mm | Laser Measurement |
| Straightness | ≤0.08mm/m | ISO 6316 |
Targeted Applications & Performance Gains
| Industry | Application | Beilun DT4C Advantage | Result Improvement |
|---|---|---|---|
| Automotive | EV Motor Cores | 12% higher torque density | 5% efficiency gain |
| Energy | Transformer Shunts | 0.02mm²/g iron loss at 1.5T, 50Hz | 18% cooler operation |
| Medical | MRI Magnetic Guides | μ stability ±1.5% over 10k cycles | 0.3T field uniformity |
| Telecom | RF Isolators | 40-100 kHz permeability consistency | 2dB insertion loss |
Proprietary Manufacturing Process
| Stage | Beilun Innovation | Industry Standard | Performance Impact |
|---|---|---|---|
| Smelting | Vacuum Induction | Electric Arc Furnace | O₂ ≤8 ppm |
| Hot Rolling | AI-Temp Control | Manual Monitoring | ±2°C uniformity |
| Annealing | Hydrogen Atmosphere | Nitrogen Atmosphere | C ≤20 ppm |
| Surface Finish | Electrolytic Polishing | Mechanical Polishing | Ra 0.1μm vs. 0.6μm |
Certifications & Compliance
| Standard | Parameter Covered | Beilun Certification ID | Validity |
|---|---|---|---|
| IEC 60404-8-1 | Magnetic Properties | IEC-BLN-DT4C-2024 | 2026 |
| ASTM A848 | Low-Carbon Iron | ASTM-BLN-8871 | Unlimited |
| RoHS 3 | Hazardous Substances | ROHS-2305-BL | 2025 |
| ISO 14001 | Environmental | CN-ISO-14001-BL | 2025 |
Customization Options
| Feature | Options | Tolerance | Lead Time |
|---|---|---|---|
| Diameter | 3mm–150mm | ±0.1% or ±0.05mm | 7–14 days |
| Length | 500mm–6,000mm | ±0.5mm/m | |
| Surface Coating | Zinc, Nickel, Insulation Varnish | ≤5μm thickness | +3 days |
| Packaging | VCI Film / Vacuum-Sealed / ESD | MIL-STD-2073-1E | No delay |
Keywords:
"DT4C Low Hysteresis Iron Rod"
"High Permeability Pure Iron Core"
"IEC 60404-8-1 Compliant DT4C"
"Ultra-Low Carbon Electromagnetic Rod"
"Precision Soft Magnetic Iron"
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