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| Chemical Component | % | Ni | Co | Fe | C | Mg | Mn | Si | Ti | P | Cu | |
| Min | 28.5 | 16.8 | 52.7 | |||||||||
| Max | 29.5 | 17.8 | 54.7 | 0.03 | 0.05 | 0.4 | 0.3 | 0.1 | 0.02 | 0.2 | ||
1. Low expansion performance: Within a certain temperature range, it has a thermal expansion coefficient similar to that of hard glass, ensuring dimensional stability during temperature changes.
2. Excellent sealing performance: It can be matched and sealed with hard glass, forming a strong and airtight connection at the sealing point.
3. Mechanical properties: It possesses certain strength, hardness, and toughness, allowing for processing and withstanding certain external forces.
1. Thermal expansion matching: It has a good thermal expansion coefficient match with hard glass, ceramics, and other materials, making it suitable for applications requiring sealing with these materials.
2. Processing performance: It can be processed both cold and hot, such as rolling, stretching, and bending, facilitating the production of various shaped tube products.
1. Electronics industry: Commonly used in the manufacture of leads and tube shells for electronic tubes, transistors, integrated circuits, and other devices, ensuring reliable internal component connection with the external circuit while maintaining airtightness.
2. Electro-vacuum devices: In electro-vacuum instruments and equipment, it serves as a connection and sealing component, maintaining the stability of the vacuum environment.
3. Vehicle communication equipment: With the development of intelligent vehicles, vehicle communication equipment is becoming increasingly important. 4J29 tubes can be used in the packaging and internal connections of these devices, preventing performance degradation due to temperature changes and ensuring the stability and reliability of communication, providing support for the intelligent interconnection functions of vehicles.
1. Reliable sealing: It has good sealing performance with materials like glass, effectively preventing gas leakage and enhancing the reliability and service life of electronic devices and equipment.
2. Environmental adaptability: Its low expansion characteristic enables it to maintain good performance in environments with temperature fluctuations, making it suitable for various complex working conditions.
1. Reliable quality: Customers have reported that 4J29 tubes are stable in actual applications, with excellent airtightness and connection strength at the sealing point, ensuring product performance.
2. Easy processing: Its processing performance has been recognized by processing enterprises, allowing for the production of various shapes and specifications of components according to design requirements.
3. Good application effect: In applications in the electronics, electro-vacuum, and other fields, it meets the demands for high precision and high reliability, enhancing the quality of customer products.
We understand that each customer has unique needs, so we offer personalized customization services.
1. Dimension customization: Different outer diameters, inner diameters, and lengths can be customized according to requirements. The outer diameter range is wide, from small to large sizes can be produced; the inner diameter can be flexibly adjusted according to the thickness requirements of the tube wall for specific applications; the length can also be customized to meet the installation needs of different equipment and structures.
2. Shape customization: Besides conventional round tubes, it can be processed into special shapes such as elliptical and square tubes through processing methods, meeting the requirements of special spaces and functions.
3. Surface treatment customization: Various surface treatments can be performed, such as nickel plating and chromium plating, to enhance corrosion resistance, improve appearance characteristics, or meet specific electrical performance requirements.
Our professional team will closely communicate with you, striving to meet your expectations in every step, from the formulation of the design plan to the control of the production process and the final delivery of the product. You are welcome to contact us at any time for any needs. You can call our service hotline through the contact number on the website, or communicate with us via email. You can also leave your contact information here, and our professionals will get in touch with you as soon as possible to provide you with the best service and the most professional solutions to meet your unique needs. We look forward to cooperating with you!