1J36 Soft Magnetic Alloy Tubes – Precision, Corrosion-Resistant, and High Saturation Performance

Product Overview

1J36 soft magnetic alloy tubes, also known as Invar 36 or 4J36, are precision-engineered materials composed of approximately 36% nickel and the balance iron. These tubes are renowned for their ultra-low thermal expansion and exceptional magnetic properties, making them ideal for applications requiring high dimensional stability and low magnetic hysteresis.​

Chemical Composition

Mechanical Properties

Physical Properties

Magnetic Properties

Standards

1J36 alloy tubes conform to international standards, including:​

• SAE AMS 7718B

• DIN 17405

• GB/T 15018-1994​

Applications

1J36 soft magnetic alloy tubes are extensively used in:

• Precision Instruments: Components requiring minimal thermal expansion and high dimensional stability.

• Cryogenic Engineering: Materials that maintain structural integrity at low temperatures.

• Aerospace: Parts that must withstand extreme thermal conditions without significant expansion.

• Electronics: Magnetic shielding and components in devices sensitive to temperature variations.

FAQs

Q1: What are the primary advantages of 1J36 soft magnetic alloy tubes?

A1: The key advantages include ultra-low thermal expansion, high saturation magnetization, low coercivity, and excellent dimensional stability over a wide temperature range.​

Q2: How does the Curie temperature affect the performance of 1J36 alloy tubes?

A2: The Curie temperature (~230°C) indicates the temperature above which the material loses its magnetic properties. Below this temperature, 1J36 maintains its magnetic characteristics, ensuring reliable performance in various applications.​

Q3: Are 1J36 soft magnetic alloy tubes suitable for high-frequency applications?

A3: Yes, due to their high initial permeability and low coercivity, 1J36 alloy tubes are ideal for high-frequency applications where efficient magnetic response is crucial.​

Q4: Can 1J36 alloy tubes be used in corrosive environments?

A4: While 1J36 alloy tubes offer some resistance to corrosion, for highly corrosive environments, additional protective coatings or material selections may be necessary to ensure longevity and performance.​

Conclusion

1J36 soft magnetic alloy tubes are engineered to meet the demanding requirements of precision applications, offering unmatched thermal and magnetic stability. Their adherence to international standards and exceptional material properties make them a preferred choice for industries where performance and reliability are paramount

Wuxi Nickel New Material Co., Ltd. is a high-tech enterprise integrating the production, manufacturing, and research & development of specialty alloy materials. Located in Wuxi, Jiangsu Province, the company specializes in precision alloys, titanium alloys, high-temperature alloys, corrosion-resistant alloys, heat-resistant steels, nickel-based welding wires, and other specialty materials, with an annual production capacity of 5,000 tonnes. Our product range includes plates, bars, wires, and strips, which are widely used in industrial electric furnaces, power‐station boilers, petrochemical plants, aerospace, marine engineering, machinery, and electronic instrumentation. These materials are characterized by high electrical resistance, high‐temperature strength, corrosion resistance, wear resistance, and fatigue resistance. We can manufacture in compliance with national, industry, and international standards, and are also able to tailor products to meet specific customer requirements.
The company is committed to improving and enhancing its production infrastructure all year round, with a full range of production and processing equipment including vacuum smelting, hot processing, cold processing, and heat treatment. It also has various physical and chemical analysis testing facilities such as spectrometers to ensure product quality. The company has a high-quality R&D, production, and management team that is fully capable of meeting the complex requirements of the current market for material diversification, refinement, and functionalization. Our company is particularly skilled in developing and producing "specialized materials" that are suitable for the market and specific customer needs, which will be one of our company's characteristics. The company adheres to the business philosophy of "guided by market demand, driven by technological progress, and committed to optimizing and innovating materials to create greater value for customers", serving society and the market.