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4J28 Stange / Bar. Kovar-Legierungsstange für Glas-Metall-Dichtungs-Anwendungen

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August 30, 2025
Category Connection: Niedrige Expansionslegierung
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Tags:
#Monel 400-Legierung #Invar-Stahllegierung #Invar 36 Stange
Brief: Discover the 4J28 Rod / Bar, a high-performance Kovar alloy designed for glass-to-metal and ceramic-to-metal sealing applications. This Fe-Ni-Co controlled expansion alloy ensures reliable hermetic sealing with its precise thermal expansion coefficient, making it ideal for electronic packaging, aerospace instruments, and semiconductor components.
Related Product Features:
  • Fe-Ni-Co alloy with controlled thermal expansion for precise sealing.
  • Excellent sealing performance with glass and ceramics.
  • Stable mechanical strength across various temperatures.
  • Easy to machine and apply surface treatments.
  • Ensures reliable long-term hermeticity.
  • Available in rods, wires, sheets, and customized forms.
  • Widely used in electronic packaging and aerospace devices.
  • Complies with GB/T, ASTM, and IEC standards.
Fragen und Antworten:
  • What is the primary use of 4J28 alloy rods?
    4J28 alloy rods are primarily used for glass-to-metal and ceramic-to-metal sealing applications, ensuring reliable hermetic sealing in electronic packaging, vacuum devices, and aerospace instruments.
  • What are the key properties of 4J28 alloy?
    4J28 alloy features controlled thermal expansion, stable mechanical strength, excellent machinability, and outstanding sealing performance, making it ideal for high-precision applications.
  • What standards does the 4J28 alloy comply with?
    The 4J28 alloy complies with GB/T, ASTM, and IEC standards, ensuring high-quality performance and reliability in various industrial applications.
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