1J22 Soft Magnetic Alloy Plate
1J22 Soft Magnetic Alloy Plate is an iron-cobalt-vanadium Fe-Co-V soft magnetic precision alloy plate designed for high magnetic saturation, high magnetic output and stable electromagnetic performance. It is widely used in aerospace electromagnetic components, high-flux-density motor parts, actuator parts, magnetic pole pieces, relay components, transducers and precision magnetic assemblies.
SASA ALLOY supplies 1J22 soft magnetic alloy plates, sheets, strips and cut plates in customized thickness, width, length, tolerance and surface finish. MTC (Mill Test Certificate), EN 10204 3.1 certificate, PMI inspection, dimensional inspection, magnetic property testing and third-party inspection can be provided according to project requirements.
Product Parameters
| Item | Details |
|---|---|
| Product Name | 1J22 Soft Magnetic Alloy Plate / 1J22 Fe-Co-V Precision Alloy Sheet |
| Grade | 1J22 / Fe-Co-V Soft Magnetic Alloy / Hiperco 50 Equivalent / Permendur Type Alloy |
| Material Type | Iron-Cobalt-Vanadium soft magnetic precision alloy |
| Shape & Sizes | Plate, sheet, strip, cut plate; thickness, width and length can be customized |
| Thickness | Commonly 0.1 mm – 80 mm, customized thickness available according to project requirement |
| Width | Commonly 100 mm – 1500 mm, slit width and special width available |
| Length | 1000 mm – 6000 mm or cut-to-size according to drawing |
| Surface Finish | Black, bright, pickled, polished, ground, cold rolled finish |
| Standards | GB/T 15002, GB/T 15001 or customer technical specification |
| Tolerance | Standard tolerance or customized thickness, width, length and flatness tolerance according to drawing |
| Certificate | MTC, EN 10204 3.1 certificate, PMI report, dimensional inspection report, magnetic property test report and third-party inspection available |
Chemical Composition
The following chemical composition is a typical reference range for 1J22 soft magnetic alloy plate. Final chemical values should be confirmed according to the actual Mill Test Certificate.
| Element | Content (%) | Function in Alloy |
|---|---|---|
| Iron (Fe) | Balance | Base element for Fe-Co-V soft magnetic alloy structure |
| Cobalt (Co) | 49.0 – 51.0 | Provides high saturation magnetic induction and high magnetic performance |
| Vanadium (V) | 0.80 – 1.80 | Improves alloy stability, processability and magnetic performance |
| Carbon (C) | ≤ 0.04 | Controlled impurity for magnetic and processing performance |
| Manganese (Mn) | ≤ 0.30 | Controlled residual element |
| Silicon (Si) | ≤ 0.30 | Controlled residual element |
| Phosphorus (P) | ≤ 0.020 | Controlled impurity |
| Sulfur (S) | ≤ 0.020 | Controlled impurity |
| Copper (Cu) | ≤ 0.20 | Controlled residual element |
| Nickel (Ni) | ≤ 0.50 | Controlled residual element |
Mechanical Properties
The following values are typical reference data for 1J22 soft magnetic alloy plate. Mechanical and magnetic properties may vary depending on thickness, rolling condition, annealing condition and final magnetic heat treatment.
| Property | Reference Value | Engineering Meaning |
|---|---|---|
| Tensile Strength, Soft Condition | Approx. 490 MPa | Suitable for magnetic components after appropriate heat treatment |
| Tensile Strength, Cold Rolled / Hard Condition | Approx. 900 – 1300 MPa | Useful where higher strength is needed before final annealing |
| Density | Approx. 8.2 g/cm³ | Reference for weight calculation and magnetic component design |
| Curie Point | Approx. 980°C | Supports magnetic stability at elevated temperature |
| Saturation Magnetic Induction | Up to approx. 2.4 T | Helps reduce component size while maintaining strong magnetic output |
| Magnetostriction Coefficient | Approx. 60 – 100 × 10-6 | Suitable for magnetostrictive transducer and actuator applications |
| Electrical Resistivity | Approx. 0.27 – 0.40 μΩ·m | Reference for magnetic circuit and frequency-related design |
Common Size Table
| Thickness | Width | Length | Common Use |
|---|---|---|---|
| 0.1 – 0.5 mm | Slit width or coil width | Coil / strip / cut sheet | Magnetic laminations, small cores, precision electrical parts |
| 0.6 – 2.0 mm | 100 – 1000 mm | 1000 – 3000 mm | Motor laminations, relay parts, actuator plates |
| 2.0 – 6.0 mm | 300 – 1500 mm | 1000 – 6000 mm | Magnetic pole pieces, precision magnetic plates, aerospace components |
| 6.0 – 20 mm | 500 – 1500 mm | Cut-to-size | Large electromagnetic parts, magnetic base plates, machined components |
| Above 20 mm | Customized | Customized | Special project components and heavy magnetic assemblies |
Different Specifications Comparison
| Product Form | Main Feature | Recommended Application | Selection Advice |
|---|---|---|---|
| 1J22 Plate | Good thickness range and machining allowance | Magnetic pole pieces, actuator plates, machined electromagnetic parts | Recommended for medium and thick magnetic components |
| 1J22 Sheet | Thinner section and easier cutting/forming | Electrical parts, magnetic shields, precision components | Recommended when lightweight and thin section are required |
| 1J22 Strip | Suitable for continuous production and slitting | Magnetic laminations, small motor parts, relay components | Recommended for stamping and batch production |
| 1J22 Cut Plate | Customized size and reduced machining waste | Project fabrication, CNC parts, precision magnetic assemblies | Recommended when drawings and exact dimensions are available |
| 1J22 Round Bar | Suitable for shaft, pole and cylindrical magnetic parts | Magnetic shafts, pole heads, transducer parts | Recommended for round machined magnetic components |
Equivalent Standards and International Names
| Standard / Name | Designation | Remarks |
|---|---|---|
| Chinese Grade | 1J22 | High saturation magnetic induction soft magnetic alloy |
| Chemical Type | Fe-Co-V alloy | Iron-cobalt-vanadium precision soft magnetic alloy |
| Alternative Designation | Co50V2 | Indicates approximately 50% cobalt and vanadium addition |
| Common International Name | Permendur / Supermendur / HiperCo 50 | Common Fe-Co-V soft magnetic alloy references |
| German Name | Vacoflux 50 | Similar Fe-Co soft magnetic alloy reference |
| Russian Name | 50КФ | Russian equivalent or similar grade reference |
| Chinese Standard | GB/T 15002 / GB/T 15001 | Technical and inspection reference for precision soft magnetic alloys |
Production Process Flow
| Step | Process | Quality Control Focus |
|---|---|---|
| 1 | Raw Material Selection | Check Fe, Co, V content, raw material source and heat number traceability |
| 2 | Melting / Refining | Control cobalt, vanadium and impurity elements |
| 3 | Ingot / Slab Preparation | Ensure suitable slab quality for plate or strip rolling |
| 4 | Hot Rolling / Cold Rolling | Control plate thickness, width, structure and rolling condition |
| 5 | Annealing / Magnetic Heat Treatment | Optimize magnetic properties and reduce internal stress |
| 6 | Flattening / Leveling | Control plate flatness and dimensional stability |
| 7 | Cutting / Slitting | Meet customer drawing, width and length requirements |
| 8 | Surface Finishing | Pickling, polishing, grinding or protective treatment if required |
| 9 | Inspection and Testing | PMI, chemical analysis, dimension, flatness, surface and magnetic test if required |
| 10 | Packaging and Shipment | Protective wrapping, wooden pallet or case, label, heat number and shipping mark |
Product Inspection
| Inspection Item | Inspection Method | Purpose |
|---|---|---|
| Chemical Composition | Spectrometer analysis / laboratory test | Confirm 1J22 Fe-Co-V alloy grade and element control |
| PMI Test | Positive Material Identification | Prevent material mix-up and wrong grade shipment |
| Mechanical Test | Tensile strength, hardness or other required test | Verify mechanical performance according to order requirement |
| Magnetic Property Test | Magnetic induction, coercive force, permeability or customer-defined test | Verify magnetic performance for electromagnetic applications |
| Dimension Inspection | Micrometer, caliper, thickness gauge and ruler | Confirm thickness, width, length and tolerance |
| Flatness Inspection | Visual inspection and flatness measurement | Ensure plate flatness for machining, stamping and assembly |
| Surface Inspection | Visual inspection and surface quality check | Check scratches, cracks, oxidation, pits and surface finish |
| Ultrasonic Testing | UT inspection if required | Check internal defects for thick plates or critical components |
| Certificate | MTC / EN 10204 3.1 / inspection report | Ensure material traceability and project documentation |
Product Packaging
| Packaging Item | Details | Benefit |
|---|---|---|
| Surface Protection | Plastic film, anti-rust paper, oil protection or protective wrapping | Protects plate surface from scratches and oxidation during transportation |
| Plate Packing | Plates stacked with protective interlayer and fixed by steel strips | Prevents movement, bending and surface damage |
| Wooden Case / Wooden Pallet | Export-standard wooden case or pallet | Suitable for long-distance sea, air and truck shipment |
| Edge Protection | Corner protection and edge protection available if required | Reduces edge damage during loading and unloading |
| Labeling | Grade, size, heat number, quantity, net weight and customer mark | Improves material traceability after delivery |
| Document Support | Packing list, invoice, MTC, EN 10204 3.1 certificate and inspection report if required | Supports customs clearance and project acceptance |
Applications & Machinability
Applications
| Industry | Typical Parts | Why 1J22 Soft Magnetic Alloy Plate Is Used |
|---|---|---|
| Medical Instruments | Magnetic instrument parts, precision electromagnetic plates, laboratory device components | Stable magnetic response and good processing potential for specialized instrument assemblies |
| Aerospace | Lightweight electromagnetic parts, actuator plates, motor laminations, relay plates and pole pieces | High saturation magnetic induction helps reduce component volume and weight while maintaining strong magnetic output |
| Marine Hardware | Special electromagnetic actuator plates, sensor parts and control system components | Used when high magnetic performance is required in special marine equipment; surface protection should be considered |
| Chemical Processing | Magnetic control components, sensor plates and non-corrosive-area electromagnetic assemblies | Suitable for magnetic function parts; not primarily selected for acid corrosion resistance |
| Electrical & Electronics | Electromagnet cores, motor laminations, relay cores, transducers and high-flux magnetic circuits | High flux density capability supports compact and efficient electromagnetic designs |
Machinability, Welding and Heat Treatment
| Processing Property | Performance | Recommendation |
|---|---|---|
| Machinability | Machinable but not a free-cutting alloy like 303 stainless steel; cutting performance depends on thickness and heat treatment condition | Use rigid machines, sharp carbide tools, suitable cutting speed and sufficient coolant |
| Stamping / Cutting | Thin sheet and strip can be stamped or cut, but tool wear and edge quality should be controlled | Use proper tooling and confirm burr control for magnetic laminations or precision parts |
| Welding Performance | Welding is possible with proper procedure, but magnetic performance and oxidation control must be considered | Confirm welding procedure and final magnetic property requirement before fabrication |
| Heat Treatment | Magnetic annealing or stress-relief heat treatment is important for final magnetic performance | Final heat treatment should follow project specification, magnetic property target and MTC requirement |
| Cold Working | Cold rolling or forming can increase strength but may affect magnetic properties | Final annealing may be required to restore or optimize soft magnetic performance |
| Surface Protection | 1J22 can oxidize during processing and storage | Use suitable surface protection, dry storage and protective packaging for export shipment |
Why Choose SAKY STEEL?
| Advantage | Description |
|---|---|
| Professional Precision Alloy Supply | SAKY STEEL supplies precision alloys including 1J22, 1J50, 1J79, 1J85, 4J29, 4J36, elastic alloys, expansion alloys and resistance alloys for industrial and high-performance applications. |
| Customized Size Capability | Thickness, width, length, surface finish, tolerance, cutting service and machining allowance can be customized according to customer drawings or project requirements. |
| Quality Control and Traceability | Material traceability, heat number control, PMI testing, dimensional inspection, flatness inspection, surface inspection, mechanical testing and magnetic property testing can be arranged. |
| Certificate Support | We can provide MTC (Mill Test Certificate / 质保书), EN 10204 3.1 certificate, PMI report, inspection report and other quality documents according to order requirements. |
| Export Packaging Experience | Export wooden cases, wooden pallets, protective wrapping, oil protection, edge protection and clear labels help ensure safe delivery for international shipments. |
| Technical Service Support | Our team can support grade selection, equivalent standard checking, heat treatment discussion, technical document preparation and project specification confirmation before shipment. |
FAQ
Q1: What is 1J22 Soft Magnetic Alloy Plate?
1J22 Soft Magnetic Alloy Plate is an iron-cobalt-vanadium Fe-Co-V soft magnetic alloy plate with high saturation magnetic induction, high Curie temperature and good magnetic stability. It is used for aerospace electromagnetic components, motor laminations, actuator parts, relay parts, transducers and high-flux magnetic assemblies.
Q2: What are the equivalent names of 1J22?
1J22 is commonly associated with Co50V2, Permendur, Supermendur, HiperCo 50, Vacoflux 50 and 50КФ. For project orders, customers should confirm chemical composition, magnetic properties and required standards before purchasing.
Q3: What is the main advantage of 1J22 plate?
The main advantage of 1J22 plate is high saturation magnetic induction. It allows electromagnetic components to achieve strong magnetic output with smaller size and lower weight, especially in aerospace and high-performance electrical equipment.
Q4: Can SASA ALLOY provide 1J22 Plate with MTC?
Yes. SASA ALLOY can provide MTC (Mill Test Certificate / 质保书), EN 10204 3.1 certificate, PMI report, dimensional inspection report, magnetic property test report and third-party inspection documents according to customer requirements.
Q5: What sizes of 1J22 Soft Magnetic Alloy Plate are available?
Common thickness ranges from 0.1 mm to 80 mm. Width, length, surface finish, flatness and tolerance can be customized. Cut-to-size service is available for machining, stamping and project fabrication.
Q6: Is 1J22 plate easy to machine?
1J22 plate is machinable, but it is not a free-cutting alloy like 303 stainless steel. Rigid equipment, sharp carbide tools, proper cutting speed and sufficient coolant are recommended to improve machining quality.
Q7: Can 1J22 plate be welded?
Welding may be possible with proper procedure, but oxidation control and final magnetic performance should be considered. For critical magnetic parts, customers should confirm welding procedure and final heat treatment plan before fabrication.
Q8: Is 1J22 suitable for high-frequency applications?
1J22 has relatively low electrical resistivity, so it is generally not the first choice for high-frequency applications unless the design uses thin laminations or other loss-control methods. It is more suitable for high magnetic flux density and compact electromagnetic components.
Q9: Does 1J22 require heat treatment?
Yes. Heat treatment, stress relief or magnetic annealing is important for achieving stable magnetic properties. The final heat treatment should be selected according to magnetic property requirements and project specifications.
Q10: How can I get a quotation for 1J22 Soft Magnetic Alloy Plate?
Please send your required grade, thickness, width, length, quantity, surface finish, tolerance, flatness, heat treatment condition, magnetic property requirement and certificate requirements to SASA ALLOY. Our team will check availability, production route, delivery time and price for your project.
