




Expanding alloys possess a unique linear expansion coefficient within a certain temperature range (either low or specific), and are widely used in aviation electrical equipment and instruments, electrical vacuum industries, and other electronic devices.
Low-expansion alloy (4J32,4J36) | |
Specification: | Bands, rods, wires, flat materials |
Product Features: | Please provide the Chinese content to be translated.20℃~10O℃Low linear expansion coefficient within the temperature range. |
Product Application: | Manufacture various instrument and meter components with stable dimensions. |
Technical Standards: | YB/T5241-93 |
Iron-nickel-cobalt glass-sealed alloy (4J29,4J44 4J33,4J34) | |
Specification: | Tapes, rods, wires, and pins |
Product Features: | Please provide the Chinese content you would like translated into American English.-60℃~ 40O℃It possesses a certain linear thermal expansion coefficient within the temperature range, allowing for a firm and secure sealing with hard glass. |
Product Application: | Applicable to electron tubes, oscillator tubes, ignition tubes, transistors, as well as tube socket heads, relay cases, and other vacuum electronic devices. |
Technical Standards: | YB/T5231-93 |
Iron-nickel glass-sealed alloy (4J42,4J45,4J50,4J52,4J54) | |
Specs: | Strips, rods, wires, flat materials, and pins |
Product Features: | Within the specified temperature range, it has a certain coefficient of linear expansion. |
Product Application: | Used for matching seals in the electric vacuum industry with soft glass or ceramics. |
Technical Standards: | YB/T5235-93, Q/SYY 7-1999 |
Iron-nickel-chromium glass-sealed alloy (4J06,4J47,4J49,4J6A,4J6B,4J49A) | |
Specs: | Tapes, rods, wires, and needles |
Product Features: | Exhibits a linear expansion coefficient similar to soft glass within a certain temperature range. |
Product Application: | In the vacuum electronic industry and matching sealing with the corresponding soft glass, where,4J49A、4J6AManufacturable for cathode caps of picture tubes and lead frame for display screens. |
Technical Standards: | YB/T5235-93, Q/SYY1-1997 |




