Iron-based
Iron-based powder is a raw material of alloy powder with iron as the main component, which is widely used in the fields of mechanical parts, 3C products, porous materials, tooling materials, magnetic materials, shielding materials, surface coatings, etc., and it is the raw material of powder metallurgy with a large dosage, and it has a high cost performance ratio.
FeSiCr soft magnetic alloy powder · FeSiCr series
Soft magnetic · High-frequency · Powder for monolithic inductors -200+400 mesh / -400 mesh
Core Advantages
High magnetic permeability
Excellent soft magnetic properties
Low loss
Low high-frequency loss
Good sphericity
Molded and dense
Compatible with magnetic powder cores
Monolithic Inductor Core Material
Product Real-World Photos & Microscopic Morphology
Powder SEM morphology
High sphericity, narrow particle size distribution, and excellent flowability.
Real-life photos of the powder
Gray powder, packaged in vacuum-aluminum foil bags or iron drums.
Typical Applications
3D-Printed Parts / Finished Product Showcase
FeSiCr soft magnetic alloy powder
TIJO employs a non‑vacuum gas atomization process to produce FeSiCr soft magnetic alloy powders—covering grades such as FeSi3.7Cr4.5 and FeSi5Cr5.5—for use in monolithic inductors and metal powder cores, serving applications in new‑energy vehicles, AI server power supplies, photovoltaic energy storage, and other fields.
Corresponding grade
| Standard system | Corresponding grade |
|---|---|
| Grade | FeSi3.7Cr4.5 / FeSi5Cr5.5 |
| Purpose | Magnetic powder core / Molded inductor |
Chemical Composition (wt%)
| Element | Yes | Cr | C | S | Fe |
|---|---|---|---|---|---|
| Content range | 3.7 / 5.0 | 4.5 / 5.5 | ≤0.03 | ≤0.01 | Bal. |
* The batch COA test report shall prevail.
Particle Size Specifications & Physical Properties
| Particle size specification | D10(μm) | D50(μm) | D90(μm) | Loose packing density (g/cm³) | Tap density (g/cm³) | Flowability (s/50g) | Oxygen content |
|---|---|---|---|---|---|---|---|
| -200+400 mesh | — | 30-45 | — | ≥3.90 | 4.3-4.8 | ≤25 | ≤600ppm |
| -400 mesh | — | 15-22 | ≤37 | ≥3.70 | 4.2-4.7 | ≤30 | ≤600ppm |
* D10/D50/D90, loose‑packed and tapped densities, and flowability are provided as typical range values; the specific values shall be determined by the COA for each batch. The flowability of ultrafine powder (≤25 μm) is assessed using a powder rheometer.
Heat Treatment Process Reference
| Heat treatment stage | Process parameters | Explanation |
|---|---|---|
| Annealing | Nitrogen/Hydrogen-Protected Annealing | Eliminate internal stresses and stabilize magnetic properties. |
Typical application areas
Integrated molded inductor
Typical application scenarios
Metal magnetic powder core
Typical application scenarios
New energy vehicles
Typical application scenarios
AI server power supply
Typical application scenarios
Photovoltaic energy storage
Typical application scenarios
FeSiCr Soft Magnetic Alloy Powder vs. Related Materials
| Material Type | Key Features | Hardness (HRC) | Typical Applications |
|---|---|---|---|
| FeSiAl | Iron-silicon-aluminum, high cost-performance ratio | — | Magnetic powder core |
| Carbonyl iron powder | Ultra-fine, with low high-frequency loss | — | Integrated molded inductor |
Recommended Process Parameters
| Process Type | Recommended particle size | Key Process Parameters | Post-processing |
|---|---|---|---|
| Magnetic powder core pressing | -200+400 mesh | Compression molding + insulating coating + annealing | Annealing |
| Integrated molded inductor | -400 mesh / -500 mesh | Compression molding + insulating coating | Annealing |
* The parameters are typical recommended values; actual settings should be adjusted based on the equipment and workpiece.
End-to-end testing capability
Each batch is tested for major elements (Si, Cr), impurities (C, S), particle size distribution, oxygen content, and density, with a Certificate of Analysis (COA) provided.
Packaging & Delivery
Powder packaging
Vacuum-sealed in a double-layer aluminum foil pouch (to prevent oxidation), with an outer iron or plastic drum.
Specifications: 1 kg, 5 kg, 10 kg, 25 kg, 50 kg per drum
Export packaging
Export orders are packed in wooden crates or pallets and reinforced to protect against moisture and impact.
Compatible with sea, air, and international express shipping.
Delivery time
Standard particle size in stock; ships within 5–7 days after order confirmation.
Custom particle size or minor formulation adjustments: 7–15 days
Batch Traceability
For each batch, a sample is retained, and the COA report is shipped with the goods.
Supports third-party testing (e.g., SGS)
Free sample
Free samples are provided for process validation.
Small-batch samples; bulk supply upon quality confirmation.
Customized Services
Custom particle size, fine-tuned formulation
Meets special operating conditions and equipment requirements
Shipping documents
COA, MSDS, ingredient list, packing list
Meets export customs clearance requirements and customer in-plant inspection standards.
Technical Support
Providing heat treatment and process parameter guidance.
Assist in resolving issues encountered during use.
Inquire Now for Free Samples
Fill out the form on the right or contact us directly; we will provide product samples, technical data sheets, and price quotes to help you quickly complete your additive manufacturing process validation.
Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
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Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
