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Precision Instruments 4J29 Low Expansion Nickel Iron Alloy

Company Video
May 29, 2025
Category Connection: Iron Nickel Alloy
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Tags:
#nickel iron alloy #nickel iron #alloy iron and nickel
Brief: Discover the exceptional properties of Electroplating Iron Nickel Alloy Co257 Kovar 4j33 Precision Round Steel Expansion Alloy. This high-performance alloy features a low thermal expansion coefficient, excellent mechanical properties, and high magnetic permeability, making it ideal for electronics, aerospace, and instrumentation applications.
Related Product Features:
  • High-density iron-nickel-cobalt alloy with excellent mechanical properties.
  • Low thermal expansion coefficient of 8.5×10⁻⁶/°C for precision applications.
  • High magnetic permeability and low hysteresis loss for magnetic equipment.
  • Good plasticity and toughness with a tensile strength of 539MPa.
  • Excellent corrosion resistance due to Cr and Mo elements.
  • Superior machinability for cutting, bending, and drilling.
  • Can be welded to copper, steel, nickel, and other metals.
  • Widely used in electronics, aerospace, and instrumentation industries.
Faqs:
  • What are the main applications of Kovar 4J33 alloy?
    Kovar 4J33 alloy is widely used in electronics for electron tubes and ceramic seals, in aerospace for electrodes and sealing structures, and in instrumentation for magnetic sensors and magnetometers.
  • What makes Kovar 4J33 alloy suitable for precision instruments?
    Its low thermal expansion coefficient, high magnetic permeability, and excellent mechanical properties ensure minimal size changes and reliable performance in precision instruments.
  • Can Kovar 4J33 alloy be welded to other metals?
    Yes, Kovar 4J33 alloy can be welded to copper, steel, nickel, and other metals, making it versatile for various industrial applications.
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