SMA 50 / Ni50Fe Plate – High Permeability Soft Magnetic Alloy
Product Short Description
SMA 50 / Ni50Fe Plate is a high permeability nickel-iron soft magnetic alloy plate with approximately 50% nickel content and balance iron. It is designed for applications requiring high magnetic permeability, low coercivity, stable magnetic performance and reliable soft magnetic behavior. This material is widely used in magnetic cores, transformers, relays, sensors, shielding components, precision electromagnetic devices and electronic control systems.
SASA ALLOY supplies SMA 50 / Ni50Fe Plate in customized thickness, width, length and surface condition according to customer drawings and technical requirements. Products can be supplied with chemical composition analysis, mechanical testing, magnetic property testing, PMI testing, dimensional inspection, surface inspection, EN 10204 3.1 material certificate and full heat number traceability.
- Product Name: SMA 50 / Ni50Fe Plate
- Material Grade: SMA 50 / Ni50Fe / 50Ni-Fe / High Permeability Alloy
- Product Type: Nickel-Iron Soft Magnetic Alloy Plate
- Main Feature: High permeability, low coercivity and stable soft magnetic performance
- Applications: Magnetic cores, relays, transformers, sensors, shielding components and precision electromagnetic devices
Product Parameters
| Item | Specification |
|---|---|
| Product Name | SMA 50 / Ni50Fe Plate |
| Material Grade | SMA 50 / Ni50Fe / 50Ni-Fe / High Permeability Alloy |
| Material Type | Nickel-Iron High Permeability Soft Magnetic Alloy |
| Product Form | Plate, Sheet, Strip, Flat Bar, Cut Plate, Machined Plate |
| Thickness | 0.5 mm – 50 mm or customized |
| Width | 50 mm – 2000 mm or customized |
| Length | 500 mm – 6000 mm or cut to size |
| Surface Condition | Hot Rolled, Cold Rolled, Pickled, Bright, Polished, Ground, Machined |
| Standard | Customer Specification, GB, ASTM, EN, DIN, JIS or agreed technical requirement |
| Inspection | Chemical Analysis, Mechanical Test, Magnetic Property Test, PMI Test, Dimensional Inspection |
| Certificate | EN 10204 3.1 Material Certificate available |
| Processing Service | Cutting, Shearing, Grinding, Polishing, CNC Machining, Custom Size Processing |
Chemical Composition
The chemical composition of SMA 50 / Ni50Fe Plate is designed to provide high magnetic permeability, low coercivity and stable soft magnetic performance. The following values are for general reference only. Final composition should be confirmed according to the applicable standard, purchase order and mill test certificate.
| Element | Ni | Fe | C | Mn | Si | P | S | Cu | Cr | Co |
|---|---|---|---|---|---|---|---|---|---|---|
| Content % | 49.0 – 51.0 | Balance | ≤0.05 | ≤0.60 | ≤0.30 | ≤0.020 | ≤0.020 | ≤0.30 | ≤0.25 | ≤0.50 |
Mechanical Properties
Mechanical properties of SMA 50 / Ni50Fe Plate may vary depending on thickness, cold working ratio, heat treatment condition and final application requirements. For high permeability soft magnetic alloy applications, magnetic properties and heat treatment condition should be confirmed together with mechanical values.
| Condition | Tensile Strength | Yield Strength | Elongation | Hardness | Density |
|---|---|---|---|---|---|
| Annealed / Typical | 400 – 600 MPa | According to condition | 20% min | According to condition | Approx. 8.2 g/cm³ |
| Cold Rolled / Custom | According to order | According to order | According to order | According to order | Approx. 8.2 g/cm³ |
Note: For SMA 50 / Ni50Fe high permeability alloy, magnetic permeability, coercivity, magnetic loss, heat treatment condition and surface quality are often more important than conventional strength values.
Common Size Table
| Product Form | Size Range | Surface | Availability |
|---|---|---|---|
| Ni50Fe Sheet | 0.5 – 6.0 mm thickness | Cold Rolled / Pickled / Polished | Stock / Production |
| Ni50Fe Plate | 6 – 50 mm thickness | Hot Rolled / Ground / Machined | Production / Made to Order |
| Ni50Fe Strip | 0.02 – 3.0 mm thickness | Cold Rolled / Bright / Annealed | Production / Customized |
| Ni50Fe Cut Plate | Customized thickness, width and length | Cut / Ground / Machined | Made to Order |
Different Specifications Comparison
| Type | Product Form | Typical Surface | Typical Use |
|---|---|---|---|
| Ni50Fe Sheet | Thin sheet, small plate | Cold Rolled / Pickled / Polished | Magnetic shielding parts, relay parts and precision stamped components |
| Ni50Fe Plate | Plate, cut plate, machined plate | Hot Rolled / Ground / Machined | Magnetic core components, transformer parts and precision electromagnetic assemblies |
| Ni50Fe Strip | Thin strip or foil | Bright / Annealed / Cold Rolled | Transformer cores, magnetic shields, relays and small magnetic parts |
| Ni50Fe Custom Parts | Custom CNC components | Machined / Ground / Polished | Precision electromagnetic systems, sensors and high permeability components |
Equivalent Standards and International Names
SMA 50 / Ni50Fe Plate may be known by different names in different markets. Customers may search for SMA 50 Plate, Ni50Fe Plate, 50Ni-Fe Alloy Plate, High Permeability Alloy Plate, Nickel-Iron Soft Magnetic Alloy Plate or Soft Magnetic Alloy Plate.
| Category | Common Name | Equivalent / Description |
|---|---|---|
| Nickel-Iron System | Ni50Fe Plate | Approximately 50% Nickel-Iron Alloy Plate |
| Alternative Name | 50Ni-Fe Alloy Plate | Nickel Iron High Permeability Alloy Plate |
| Product Name | SMA 50 Plate | High Permeability Soft Magnetic Alloy Plate |
| Material Family | Soft Magnetic Alloy Plate | Precision magnetic alloy material |
| China Reference | 1J50 / Ni50Fe Type Material | High Permeability Nickel-Iron Soft Magnetic Alloy |
Production Process Flow
The production process of SMA 50 / Ni50Fe Plate requires strict control of chemical composition, melting quality, rolling condition, annealing atmosphere, heat treatment process and dimensional accuracy to ensure high magnetic permeability and low coercivity.
| Process Step | Description | Quality Control Point |
|---|---|---|
| Raw Material Selection | Select qualified nickel and iron raw materials | Raw material certificate and traceability |
| Melting | Control alloy composition and impurity elements | Chemical composition analysis |
| Rolling | Hot rolling or cold rolling according to thickness | Thickness, flatness and dimensional control |
| Magnetic Annealing | Heat treatment to improve permeability and reduce coercivity | Temperature, atmosphere and holding time control |
| Inspection | Final inspection before shipment | Dimension, surface, magnetic property, PMI and certificate review |
Product Inspection
1. Chemical Composition Inspection
Chemical composition analysis is performed to verify nickel and iron content. Stable chemical composition is essential for SMA 50 / Ni50Fe Plate high permeability performance and material consistency.
2. Mechanical Properties Testing
Tensile strength, elongation and hardness can be tested according to customer requirements. Mechanical testing helps confirm material reliability for precision manufacturing and forming applications.
3. Magnetic Property Verification
Magnetic property testing can be arranged when required. This is important for applications involving high permeability, low coercivity, magnetic cores, transformers, relays and shielding components.
4. Dimensional Inspection and PMI Testing
Thickness, width, length, flatness and tolerance are inspected before shipment. PMI testing can be used to verify material grade and prevent material mix-up.
Product Packaging
SASA ALLOY provides export-grade packaging for SMA 50 / Ni50Fe Plate to protect the material during sea, air and land transportation.
- Protective Film: Applied to polished or bright surfaces to reduce scratches.
- Waterproof Wrapping: Used to protect plates from moisture during transportation.
- Wooden Case Packaging: Suitable for cut plates and precision machined plates.
- Pallet Packing: Suitable for heavy plates and batch shipments.
- Clear Marking: Grade, heat number, size, quantity and customer PO number can be marked on labels.
Applications
SMA 50 / Ni50Fe Plate is widely used where high magnetic permeability, low coercivity and stable soft magnetic properties are required. It is suitable for precision electromagnetic and magnetic shielding applications.
| Industry | Typical Applications | Why SMA 50 / Ni50Fe Is Used |
|---|---|---|
| Magnetic Cores | Transformer cores, magnetic cores, laminated magnetic parts | High permeability and low magnetic loss |
| Relays and Switches | Relay components, electromagnetic switching parts | Low coercivity and stable magnetic response |
| Sensors | Sensor components, magnetic sensing parts | Reliable permeability and repeatable magnetic performance |
| Shielding Components | Magnetic shields, shielding plates, precision enclosures | Good magnetic shielding capability |
| Precision Electromagnetic Devices | Control systems, precision instruments, electromagnetic assemblies | Stable soft magnetic performance and processability |
Why Choose SASA ALLOY?
- Professional supplier of SMA 50 / Ni50Fe Plate and high permeability soft magnetic alloy materials
- Available in plate, sheet, strip, flat bar and custom machined parts
- Customized thickness, width, length and surface condition available
- Support for customer specifications, drawings and technical requirements
- Material traceability with heat number control
- EN 10204 3.1 material certificate available
- Chemical analysis, mechanical testing, magnetic property testing, PMI testing and dimensional inspection support
- Export packaging suitable for international transportation
FAQ
What is SMA 50 / Ni50Fe Plate?
SMA 50 / Ni50Fe Plate is a nickel-iron high permeability soft magnetic alloy plate containing approximately 50% nickel. It is used for magnetic cores, relays, transformers, sensors and shielding components.
Is SMA 50 the same as Ni50Fe?
SMA 50 is commonly used to describe a Ni50Fe type high permeability nickel-iron soft magnetic alloy. Exact requirements should be confirmed according to customer specification or purchase order.
Can SASA ALLOY provide custom size Ni50Fe Plate?
Yes. SASA ALLOY can supply SMA 50 / Ni50Fe Plate in customized thickness, width, length, cut-to-size plate and machined plate according to customer requirements.
Can magnetic property testing be provided?
Yes. Magnetic property testing can be arranged according to customer requirements, especially for high permeability magnetic core, transformer, relay and shielding applications.
Can SASA ALLOY provide EN 10204 3.1 certificate?
Yes. EN 10204 3.1 material certificate can be supplied with chemical composition, mechanical properties, heat number and traceability information.
Contact Us
If you are looking for SMA 50 / Ni50Fe Plate, High Permeability Alloy Plate or customized soft magnetic alloy materials, please contact SASA ALLOY with your required grade, thickness, width, length, surface condition, quantity and inspection requirements. Our team can provide professional material solutions for high permeability magnetic alloy applications.
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