ickel Alloy 1J51 and 1J52 (Rectimphy) are precision nickel-based alloys known for their excellent magnetic properties, especially at low temperatures. These alloys are widely used in applications requiring materials with controlled magnetic permeability and high resistivity. They are ideal for industries such as electronics, telecommunications, and precision instrumentation.
Overview of Nickel Alloy 1J51 and 1J52
| Alloy Name |
Designation |
Material Type |
Key Characteristics |
| 1J51 |
- |
Nickel-Iron Alloy |
Low magnetostriction, high magnetic permeability, and excellent stability over a wide range of temperatures. |
| 1J52 |
- |
Nickel-Iron Alloy |
Similar to 1J51 with slightly different magnetic and thermal properties, ideal for applications needing high resistivity. |
Chemical Composition (Approximate)
| Element |
1J51 |
1J52 |
| Nickel (Ni) |
~49-51% |
~48-50% |
| Iron (Fe) |
~49-51% |
~48-50% |
| Cobalt (Co) |
≤0.1% |
≤0.1% |
| Manganese (Mn) |
≤0.05% |
≤0.05% |
| Silicon (Si) |
≤0.05% |
≤0.05% |
| Copper (Cu) |
≤0.05% |
≤0.05% |
| Carbon (C) |
≤0.05% |
≤0.05% |
Key Properties
| Property |
1J51 |
1J52 |
| Density (g/cm³) |
~8.6 |
~8.6 |
| Melting Point (°C) |
~1400 |
~1400 |
| Thermal Expansion (ppm/°C) |
~10-12 |
~10-12 |
| Magnetic Permeability (µ) |
High at low temperatures |
High at low temperatures |
| Electrical Resistivity (µΩ·cm) |
~60-70 |
~65-75 |
| Curie Temperature (°C) |
~500 |
~500 |
| Tensile Strength (MPa) |
~650-800 |
~650-800 |
| Yield Strength (MPa) |
~300-450 |
~300-450 |
| Elongation (%) |
~25-30 |
~25-30 |
| Hardness (HRC) |
~30-35 |
~30-35 |
Features and Advantages
- Low Magnetostriction: Both alloys are designed to have low magnetostriction, which means they exhibit minimal changes in length or volume in the presence of a magnetic field. This is ideal for high-precision instrumentation and electronic applications.
- High Magnetic Permeability: These alloys have high magnetic permeability at low temperatures, making them suitable for applications like transformers, magnetic shielding, and other magnetic field-sensitive equipment.
- Good Thermal Stability: Both 1J51 and 1J52 maintain stability over a wide range of temperatures, offering reliable performance in thermal cycling applications.
- Low Electrical Resistivity: These alloys have low electrical resistivity, making them effective in minimizing power loss in electrical applications.
- Good Weldability: These alloys are generally weldable and can be processed into thin plates and strips, making them adaptable for a variety of applications.
Applications
- Magnetic Shielding: Used in applications requiring high magnetic permeability and low magnetostriction, such as in precision instruments and magnetic shielding components.
- Precision Electronics: Ideal for components in electronic devices where low magnetostriction and high resistivity are essential for proper functioning.
- Transformers and Inductors: Often used in high-frequency transformer cores and other inductive components due to their excellent magnetic properties.
- Telecommunications: Used in telecommunications equipment that requires stable, low-resistivity conductors with excellent thermal and magnetic properties.
- Instrumentation: Suitable for sensors, actuators, and other sensitive instruments that rely on stable, low-magnetostriction materials.
Shandong Titanium Nickel Special Steel Co., Ltd., registered funds (one thousand yuan for 10,000 yuan), the company is mainly committed to high -tech enterprises that are integrated with special alloy materials, specializing in the research and sales of special alloys such as nickel -based and iron -based. Products include corrosion-resistant alloys, superalloys, precision alloys, Hastelloy, Monel, INCONEL, INCOLOY, copper-nickel alloys, titanium and titanium alloys, zirconium and zirconium alloys, nickel and nickel-based alloys, nickel-cobalt-based heat-resistant alloys , Hafnium alloy, etc., more than 60 kinds of alloy materials such as special stainless steel. On the basis of stabilizing the quality of the original products, according to the market demand, it solves the quality problems existing in the traditional metallurgical process, and ensures the low miscellaneous and low deflection of the alloy material products, which has won an excellent reputation in the industry.
Product Description
| Property |
|
Precision Alloy Steel Sheets |
| Material Composition |
|
Similar to strips, precision alloy sheets are made from carefully controlled compositions, often with low expansion coefficients or specialized magnetic properties, such as Invar or Mu-metal. |
| Thickness |
|
Precision alloy sheets are thicker than strips, typically ranging from 0.5 mm to several millimeters, depending on mechanical and thermal property requirements. |
| Applications |
|
Commonly used in industries such as aerospace, electronics, and medical devices for components like structural parts, enclosures, and sensitive instrumentation that require controlled mechanical properties and dimensional accuracy. |
| Mechanical Properties |
|
High tensile strength, excellent flatness, and precision in dimensions. These sheets offer stable mechanical properties under both high and low temperature conditions. |
| Thermal Properties |
|
Similar to strips, these sheets are designed for specific thermal behaviors, such as low expansion or high-temperature stability, depending on the alloy (e.g., Invar, Mu-metal). |
| Electrical Properties |
|
Precision alloys in sheet form may also have controlled electrical resistance, especially for applications in sensitive electronics or electrical components. |
| Magnetic Properties |
|
Similar to strips, magnetic alloys like Mu-metal sheets are used for shielding in sensitive equipment to control or eliminate external magnetic interference. |
| Forming & Fabrication |
|
Precision alloy sheets can be cold-rolled, heat-treated, laser-cut, or stamped. They are suitable for both complex shapes and applications requiring high dimensional tolerance and material consistency. |
| Heat Treatment |
|
Heat treatments like solution annealing or stress-relief are common for precision alloy sheets to improve properties such as strength, stability, and resistance to thermal expansion. |
| Welding & Joining |
|
Precision alloy sheets can be welded or brazed, although welding requires careful control of heat to avoid compromising the alloy's properties. |
| Examples of Alloys |
|
Invar, Mu-metal, Kovar, Constantan, Permalloy |
| Cost |
|
Precision alloy sheets are also expensive, as they require precise manufacturing and composition control. Their cost is higher than standard steel or non-precision alloys. |
| Common Standards |
|
ASTM A-240, ASTM B-637, ASTM B-553, AMS 5525 |
Detailed Photos
Key Advantages:
- Controlled Properties: Tailored for specific applications, offering controlled expansion, high strength, or high electrical conductivity.
- Dimensional Stability: Excellent flatness, accuracy, and stability, even under thermal cycling.
- High Durability: Resistant to thermal, mechanical, and magnetic stresses, making them suitable for critical components in sensitive environments.
Factory workshop
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Packaging & Shipping
FAQ
1: What is precision alloy?
Precision alloys refer to special alloys with high purity, uniformity and stability. They are usually used to manufacture parts or components that have extremely strict size, shape and performance requirements. They have special physical properties (such as magnetic, electrical, thermal, etc.) and chemical properties to meet specific engineering requirements.
2: What are the main types of precision alloys?
Precision alloys can be divided into many types according to their different physical properties, mainly including:
Magnetic alloys: Such as soft magnetic alloys and permanent magnetic alloys (hard magnetic alloys).
Elastic alloy: An alloy that can deform reversibly under certain stress or temperature conditions.
Expansion alloy: An alloy with a large linear expansion coefficient within a certain temperature range.
Thermal Bimetal: A composite material composed of two or more metallic materials that exhibit different thermal expansion properties.
Resistive Alloys: Alloys with stable resistivity and constant temperature coefficient of resistance.
Thermoelectric alloy: Alloy with thermoelectric effect.
Hydrogen storage alloy: An alloy with hydrogen storage function.
Shape memory alloy: Alloys with shape memory effect.
Magnetostrictive alloy: A type of metal material with magnetostrictive effect.
3: What are the main application areas of precision alloys?
Precision alloys are widely used in aerospace, automobiles and trains, energy and chemicals, medical equipment, electronics industry, fasteners and other fields. For example, in the aerospace field, precision alloys are used to manufacture aircraft engines, aviation structural parts, missiles, etc.; in the automotive and train field, they are used to manufacture engines, transmission systems, chassis components, tracks, wheels, etc.
4: What is the production process of precision alloy?
The production process of precision alloys includes the selection and pretreatment of alloy raw materials, smelting and casting, heat treatment and processing technology, as well as surface treatment and performance testing. The entire production process requires precise control of each link to ensure that the composition and performance of the alloy meet the requirements.
5: How to detect the quality of precision alloy?
Quality testing of precision alloys is mainly through chemical analysis and physical property testing. Commonly used testing methods include spectral analysis, tensile testing, hardness testing and low-temperature impact testing to ensure that each batch of alloys can meet predetermined technical requirements.
6: What are the significant advantages of precision alloys?
Advantages of precision alloys include:
Has unique physical properties, such as excellent electrical conductivity, thermal conductivity and magnetism.
Excellent mechanical properties, high strength, wear resistance and good elasticity.
Strong corrosion resistance and long service life.
Stable performance in a wide temperature range and wide application.
It has good processing performance and is easy to manufacture precisely.
The ingredients and organization are controllable to meet diverse needs.
7: What kind of performance does precision alloy show in a magnetic field?
Magnetic alloys in precision alloys exhibit excellent magnetic properties in magnetic fields. For example, soft magnetic alloys have high magnetic permeability and low coercivity, are easy to demagnetize, and have low energy loss during cyclic magnetization, making them indispensable materials in electromagnetic equipment.
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