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Help CenterTISCO Brand Electromagnetic Pure Iron DT4C, Cold-Drawn State, Ideal for DC Motor Housings and Magnetic Shielding
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Category: Pure Iron / Industrial Pure Iron / Electromagnetic Pure Iron
Place of Origin: Taiyuan, Shanxi, China
Brand/Manufacturer: TISCO (Taiyuan Iron & Steel Co., Ltd.)
Grade: DT4C
Custom Grades Available: DT4, DT4A, DT4E, YT0, YT01, YTnc1
Specification (Diameter): Ø1.0mm to Ø10 mm
Executive Standard: GB/T 6983-2008（PRC）
Delivery Condition: Cold-Drawn
Tolerance: According to GB/T 14981（PRC）or according to customer requirements.
Surface Quality: According to GB/T 701（PRC）
Inspection & Rule for Re-inspection: According to GB/T 2101（PRC）
Packaging:Waterproof film wrapped and mounted on wooden pallets.
Bundle Weight: 30-100 kg or according to customer requirements.
Physical Properties:
• Density: 7.85 g/cm³
• Surface Hardness: HV5≤195 / HBS 50-80
• Tensile Strength (Rₘ): 176 - 274 MPa
• Reduction of Area (Z): 70% - 80%
• Yield Strength (RₑL): 160 MPa
• Impact Toughness (KV): 160 - 200 J/cm²
• Elongation after Fracture (A): 30% - 50%
Magnetic Properties:
Coercivity (Hc): ≤ 32 A/m
Maximum Permeability (μₘ): 0.0151 H/m
Magnetic Induction: Please refer to the Magnetic Properties Table.
GB/T 6983-2008 Magnetic Properties Table
Chemical Composition:
Standard Requirements
C≤0.010、Si≤0.100、Mn≤0.250、P≤0.0150、S≤0.010、
Al0.2~0.8、Ti≤0.020、Cr≤0.10、Ni≤0.050、Cu≤0.050
Chemical Composition: Typical / Actual Reference
C≤0.0030、Si≤0.010、Mn≤0.20、P≤0.009、S≤0.002、
Al 0.520、Ti≤0.010、Cr≤0.010、Ni≤0.010、Cu≤0.01
Key Characteristics:
(1)、Excellent Electromagnetic Properties: Low coercivity (Hc), high permeability (μ), high saturation magnetic flux density (Bs), stable magnetism, and no magnetic aging.
(2)、High Purity: The electromagnetic pure iron series are fully killed steels and undergo refining processes, resulting in a dense, uniform, and superior internal structure with low gas content. The typical carbon content in the finished product is
(3)、Good Cold and Hot Workability:
Cold working such as turning, upsetting, punching, bending, and drawing can be performed without issues.
Hot working, such as re-forging or re-rolling, shows low sensitivity to red shortness. Many grades have no red-shortness range, allowing processing within a wide temperature window.
(4)、Good Surface Quality: Exhibits excellent weldability and plating performance.
(5)、High Dimensional Accuracy: Can supply ultra-precision cold-rolled sheets. For sheet thickness ≤1.5mm, the thickness tolerance can be guaranteed within ≤±0.03mm; for thickness >1.5mm, the tolerance is within ≤±0.05mm.
Applications:
Electromagnetic pure iron is primarily used in the electrical, telecommunications, instrumentation, and advanced defense industries to manufacture electromagnetic components and iron cores.
1. Relay Cores, Armatures, and Yokes in electrical and telecommunications systems: For relays in automatic telephones, railway signal relays, and various purpose relays (e.g., thermal, pulse, time-delay, special type) used in communication and automatic control systems, as well as relays for electrical control equipment.
2. Core Material for Electromagnets: Iron cores for bending and focusing magnets in high-energy accelerators, acoustic devices, solenoid valves, and electromagnets for magnetic separation equipment.
3. Soft Magnetic Components for Instruments and Meters: High-resolution pole pieces for analytical instruments, electromagnetic separators and detectors in geological instruments, focusing magnets for electron microscopes and electromagnetic lenses for scanning electron microscopes, aircraft automatic control components, and pole pieces for magnetizers.
4. Cores and Housings for DC Motors: Such as those used in aviation DC motors.
5. Electrical and Magnetic Parts for Automobiles, Tractors, and Machine Tools: Including automotive voltage regulators, flashers, starters, horns, electromagnetic chucks for machine tools, magnetic plates, and other magnetic conduits.
6. Magnetic Shielding Equipment: Various magnetic shielding casings or boxes, and shielding materials for applications requiring high shielding effectiveness.
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