Ni30Fe Temperature Compensating Alloy – Soft Magnetic Precision Alloy
Product Short Description
Ni30Fe Temperature Compensating Alloy is a nickel-iron soft magnetic alloy designed for applications requiring stable magnetic performance under temperature variation. With approximately 30% nickel content and balance iron, Ni30Fe provides useful magnetic temperature compensation characteristics for precision electromagnetic devices, sensors, relays, measuring instruments and control components.
SASA ALLOY supplies Ni30Fe temperature compensating alloy in strip, sheet, plate, bar, wire and customized machined forms according to customer drawings and application requirements. Products can be supplied with chemical composition analysis, mechanical testing, dimensional inspection, surface inspection, PMI testing, EN 10204 3.1 material certificate and full heat number traceability.
- Product Name: Ni30Fe Temperature Compensating Alloy
- Material Grade: Ni30Fe / 30Ni-Fe / Temperature Compensating Alloy
- Product Type: Nickel-Iron Soft Magnetic Precision Alloy
- Main Feature: Magnetic temperature compensation and stable soft magnetic performance
- Applications: Sensors, relays, meters, precision instruments and electromagnetic control components
Product Parameters
| Item | Specification |
|---|---|
| Product Name | Ni30Fe Temperature Compensating Alloy |
| Material Grade | Ni30Fe / 30Ni-Fe / Temperature Compensating Alloy |
| Material Type | Nickel-Iron Soft Magnetic Alloy |
| Product Form | Strip, Sheet, Plate, Bar, Rod, Wire, Foil, Custom Machined Parts |
| Strip / Foil Thickness | 0.02 mm – 3.0 mm or customized |
| Sheet / Plate Thickness | 0.5 mm – 50 mm or customized |
| Bar / Rod Diameter | 3 mm – 200 mm or customized |
| Wire Diameter | 0.1 mm – 10 mm or customized |
| Surface Condition | Cold Rolled, Hot 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 | Slitting, Cutting, Shearing, Grinding, Polishing, CNC Machining, Custom Size Processing |
Chemical Composition
The chemical composition of Ni30Fe temperature compensating alloy is designed to provide controlled magnetic behavior and useful temperature compensation 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 % | 29.0 – 31.0 | Balance | ≤0.05 | ≤0.60 | ≤0.30 | ≤0.020 | ≤0.020 | ≤0.30 | ≤0.25 | ≤0.50 |
Mechanical Properties
Mechanical properties of Ni30Fe alloy may vary depending on product form, cold working ratio, heat treatment condition and final application requirements. For soft magnetic 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. 8.1 g/cm³ |
| Cold Rolled / Custom | According to order | According to order | According to order | According to order | Approx. 8.1 g/cm³ |
Note: For Ni30Fe temperature compensating alloy, magnetic property stability, temperature response, permeability behavior and heat treatment condition are often more important than conventional strength values.
Common Size Table
| Product Form | Size Range | Surface | Availability |
|---|---|---|---|
| Ni30Fe Strip / Foil | 0.02 – 3.0 mm thickness | Cold Rolled / Bright / Annealed | Stock / Production |
| Ni30Fe Sheet | 0.5 – 6.0 mm thickness | Cold Rolled / Pickled / Polished | Production / Customized |
| Ni30Fe Plate | 6 – 50 mm thickness | Hot Rolled / Ground / Machined | Made to Order |
| Ni30Fe Bar / Rod | 3 – 200 mm diameter | Hot Rolled / Forged / Turned / Ground | Production / Made to Order |
| Ni30Fe Wire | 0.1 – 10 mm diameter | Bright / Pickled / Annealed | Production / Customized |
Different Specifications Comparison
| Type | Product Form | Typical Surface | Typical Use |
|---|---|---|---|
| Ni30Fe Strip | Thin strip or foil | Cold Rolled / Bright / Annealed | Sensors, meter parts, compensation elements, precision stamped parts |
| Ni30Fe Sheet / Plate | Sheet, plate, cut plate | Pickled / Ground / Machined | Precision instrument parts, electromagnetic components, control devices |
| Ni30Fe Bar / Rod | Round bar, rod, flat bar | Turned / Ground / Polished | Machined magnetic components, shafts, sensor parts, relay parts |
| Ni30Fe Wire | Wire, straight wire, coil wire | Bright / Annealed / Pickled | Small magnetic elements, precision electrical components, custom assemblies |
| Ni30Fe Custom Parts | Custom CNC components | Machined / Ground / Polished | Temperature compensation modules and precision electromagnetic systems |
Equivalent Standards and International Names
Ni30Fe alloy may be known by different names in different markets. Customers may search for Ni30Fe, 30Ni-Fe alloy, temperature compensating alloy, nickel iron magnetic alloy or soft magnetic compensation alloy.
| Category | Common Name | Equivalent / Description |
|---|---|---|
| Nickel-Iron System | Ni30Fe | Approximately 30% Nickel-Iron Alloy |
| Alternative Name | 30Ni-Fe Alloy | Nickel Iron Temperature Compensating Alloy |
| Application Name | Temperature Compensating Alloy | Magnetic temperature compensation material |
| Material Family | Soft Magnetic Alloy | Precision magnetic alloy material |
| Custom Specification | Customer Drawing / Technical Requirement | Ni30Fe equivalent material can be produced according to order |
Production Process Flow
The production process of Ni30Fe temperature compensating alloy requires strict control of chemical composition, melting quality, rolling or drawing condition, heat treatment and dimensional accuracy to ensure stable magnetic performance and reliable temperature compensation behavior.
| 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 / Drawing | Produce strip, sheet, plate, bar or wire according to order | Thickness, diameter, flatness and dimensional control |
| Annealing | Heat treatment to improve magnetic properties and stability | Temperature, atmosphere and holding time control |
| Inspection | Final inspection before shipment | Dimension, surface, PMI, 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 Ni30Fe temperature compensating alloy 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 temperature compensation, sensors, relays and precision electromagnetic components.
4. Dimensional Inspection and PMI Testing
Thickness, width, length, diameter, 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 Ni30Fe temperature compensating alloy materials to protect the products during sea, air and land transportation.
- Coil / Spool Packing: Suitable for strip, foil and wire products.
- Protective Film: Applied to polished or bright surfaces to reduce scratches.
- Waterproof Wrapping: Used to protect materials from moisture during transport.
- Wooden Case Packaging: Suitable for sheets, plates, bars and precision machined components.
- Clear Marking: Grade, heat number, size, quantity and customer PO number can be marked on labels.


Applications
Ni30Fe temperature compensating alloy is widely used where magnetic performance must remain stable or predictable under temperature changes. It is suitable for precision electromagnetic and measuring applications.
| Industry | Typical Applications | Why Ni30Fe Is Used |
|---|---|---|
| Precision Instruments | Meters, measuring devices, compensation elements | Stable magnetic temperature compensation behavior |
| Sensors | Temperature-sensitive magnetic parts, sensor components | Controlled magnetic response under temperature variation |
| Relays and Switches | Relay elements, electromagnetic control parts | Reliable magnetic performance and repeatability |
| Electromagnetic Devices | Magnetic compensation components, small magnetic assemblies | Soft magnetic performance and processing flexibility |
| Industrial Control | Precision control modules and compensation systems | Good material stability and custom processability |
Why Choose SASA ALLOY?
- Professional supplier of Ni30Fe temperature compensating alloy and soft magnetic alloy materials
- Available in strip, sheet, plate, bar, rod, wire and custom machined parts
- Customized thickness, width, length, diameter 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 Ni30Fe Temperature Compensating Alloy?
Ni30Fe Temperature Compensating Alloy is a nickel-iron soft magnetic alloy containing approximately 30% nickel. It is used for magnetic temperature compensation and precision electromagnetic components.
What product forms can SASA ALLOY supply?
SASA ALLOY can supply Ni30Fe alloy in strip, foil, sheet, plate, bar, rod, wire and custom machined forms according to customer requirements.
What are the main applications of Ni30Fe?
Ni30Fe is mainly used for sensors, relays, meters, precision instruments, magnetic compensation elements and electromagnetic control components.
Can magnetic property testing be provided?
Yes. Magnetic property testing can be arranged according to customer requirements, especially for precision magnetic and temperature compensation 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 Ni30Fe Temperature Compensating Alloy, 30Ni-Fe Alloy or customized soft magnetic alloy materials, please contact SASA ALLOY with your required grade, product form, size, surface condition, quantity and inspection requirements. Our team can provide professional material solutions for precision magnetic alloy applications.









