Key Features
Soft Magnetic Annealed – High permeability, low hysteresis loss for efficient electromagnetic response.
Precision Engineered for Cores – Ideal for solenoid cores, relay armatures, and magnetic circuits.
Custom Diameter Available – 5–300 mm diameters, tailored for miniature relays to industrial solenoids.
High Purity & Consistency – Fe ≥ 99.5%, tight impurity control for reliable batch-to-batch performance.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | High Purity Pure Iron (Fe ≥ 99.5% – 99.8%) |
| Process | Hot Rolled + Full Annealing |
| Available Grades | DT4, DT4A, DT4C, YT01, |
| Diameter Range | customized |
| Length | as required |
| Hardness (Annealed) | soft state for easy machining |
| Magnetic Properties | High permeability, low coercivity (Hc ≤ 32 A/m for DT4C) |
| Surface Condition | Black, bright, ground, or as specified |
Customization Services
Diameter & Length – We can produce rods in any diameter, cut to your exact length.
Chemical Composition – Adjust carbon, silicon, aluminum, and other elements to achieve desired magnetic or mechanical properties.
Surface Finish – Options include black (as-rolled), bright (turned/ground), polished, or coated with anti-rust oil.
Annealing Cycle – Tailored annealing profiles can be applied to meet specific permeability or hardness targets.
Frequently Asked Questions
Q:Can you supply rods smaller than 10 mm diameter?
A: Yes, we offer diameters as small as 5 mm for miniature relays and precision components. Please specify your required size, and we will confirm feasibility.
Q:What is the typical lead time for custom diameters?
A:For standard grades, lead time is 7–15 days after order confirmation. Custom diameters may require tooling adjustments; we will provide a confirmed schedule upon inquiry.
Q:How do I choose the right grade for my relay application?
A:DT4C is commonly used for high-performance relays due to its ultra-low coercivity. If you have specific requirements, share your design parameters, and our engineers can recommend the optimal grade.
Request a Quote
Send us your required diameter, length, grade, and quantity. We'll respond within 24 hours with a competitive price and technical support tailored to your project.
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