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Help CenterDT4C Electromagnetic Pure Iron Hot Rolled Round Steel Ø20-120mm GB/T 6983-2008
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As a specialized manufacturer based in Taiyuan, Shanxi, Shanxi Jurun Technology Co., Ltd. produces premium DT4C electromagnetic pure iron round steel rods designed for critical magnetic applications. Our hot-rolled products offer exceptional magnetic properties with diameters spanning 20-120mm, fully compliant with China's GB/T 6983-2008 standard. Engineered for reliability in demanding electromagnetic environments, these rods deliver consistent performance for transformers, sensors, and precision instruments.
Key Technical Features:
- Ultra-Low Core Loss: Minimizes energy dissipation in alternating magnetic fields
- High Saturation Flux Density (1.58T): Enables compact component design
- Controlled Impurity Levels: Strict adherence to chemical composition limits
| Element | Max Content |
|---|---|
| Carbon (C) | 0.025 |
| Silicon (Si) | 0.03 |
| Manganese (Mn) | 0.10 |
| Phosphorus (P) | 0.015 |
| Sulfur (S) | 0.025 |
| Aluminum (Al) | 0.20 |
Performance Advantages:
- Magnetic permeability exceeding 7.5 mH/m at 1.0 T
- Coercive force ≤ 96 A/m for efficient magnetization reversal
- Uniform grain structure achieved through controlled rolling processes
| Property | Value |
|---|---|
| DC Coercivity (Hc) | 72-96 A/m |
| Maximum Permeability (μm) | 0.0075-0.0115 H/m |
| Residual Induction (Br) | ≥0.9 T |
Technical Specifications:
- Diameter tolerance: ±0.30mm for Ø20-40mm, ±0.40mm for Ø42-120mm
- Ovality: ≤50% of diameter tolerance
- Length: Standard 3-6m rods, with cutting-to-length service available
- Surface roughness: Typically Ra ≤ 6.3 μm as rolled
Operating from our production facility in China's steel industry hub of Taiyuan, Shanxi Jurun Technology leverages regional metallurgical expertise to deliver consistently reliable electromagnetic materials. Our DT4C round steel rods undergo rigorous quality verification including:
- Spectroscopic chemical analysis
- Epstein frame magnetic testing
- Dimensional verification per GB/T 6983
Choose our GB/T-certified products for electromagnetic applications requiring precise magnetic response and manufacturing consistency. Contact our technical team to discuss your specific application requirements today.
FAQ Section
Q1: Why choose DT4C over other soft magnetic materials?
A: DT4C offers superior magnetic permeability with minimal hysteresis loss, making it ideal for sensitive electromagnetic devices where energy efficiency matters.
Q2: What applications suit this diameter range?
A: Ø20-120mm rods are commonly used in:
- Rotor shafts for precision motors
- Magnetic core components
- Research apparatus requiring uniform magnetic properties
Q3: Can diameters outside 20-120mm be supplied?
A: While we specialize in this range, custom diameters may be available upon request for bulk orders.
Q4: How does GB/T 6983-2008 ensure quality?
A: This Chinese national standard specifies:
- Chemical composition limits
- Magnetic performance thresholds
- Dimensional tolerances
- Testing methodologies
Q5: What surface treatments are available?
A: Standard supply is as-rolled surface. Machining, grinding, or protective coatings can be arranged separately.
Q6: Do you provide material certification?
A: Yes, we supply GB/T 6983-compliant test certificates with each batch, including chemical analysis and magnetic properties.
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