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Leggia 34 resistenza alla corrosione 4J34 Nikkel

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May 28, 2025
Category Connection: Kovar Alloy
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Tag:
#Kovar Strip #barretta di kovar #tubo di kovar
Brief: Discover Alloy 34 (4J34), a high-performance nickel-based ceramic sealing alloy with exceptional corrosion resistance. Ideal for precision instruments, aerospace, and optical devices, this alloy offers a linear expansion coefficient matching 95% Al2O3 ceramics from -60℃ to 600℃. Available in wire, strip, rod, tube, and plate forms.
Related Product Features:
  • Alloy 34 (4J34) is a ceramic sealing alloy with a linear expansion coefficient similar to 95% Al2O3 ceramics from -60℃ to 600℃.
  • Widely used in high-precision instruments, optical devices, aerospace, and satellite applications.
  • Produced using Vacuum Induction Furnace (VIM) and Electroslag Remelting Furnace (ESR) for superior quality.
  • Chemical composition includes 28.5-29.5% Ni, 19.5-20.5% Co, and remaining Fe, ensuring excellent performance.
  • Average linear expansion coefficient ranges from 6.3-8.5 (10-6/K) across different temperature ranges.
  • Mechanical properties include tensile strength ≥490 MPa, yield strength ≥240 MPa, and elongation ≥42%.
  • Available in various forms: cold-drawn wire, hot-rolling wire, strip, smooth forged rod, and seamless tubes.
  • Customizable dimensions for cold-drawn wire (¢0.3-18mm), strips (0.1-4.5mm thickness), and tubes (¢1-275mm).
Domande frequenti:
  • What is Alloy 34 (4J34) used for?
    Alloy 34 is used in high-precision instruments, optical devices, aerospace, and satellite applications due to its ceramic-like linear expansion coefficient and corrosion resistance.
  • How is Alloy 34 produced?
    Alloy 34 is produced using Vacuum Induction Furnace (VIM) and Electroslag Remelting Furnace (ESR) to ensure high quality and performance.
  • What are the mechanical properties of Alloy 34?
    Alloy 34 has a tensile strength ≥490 MPa, yield strength ≥240 MPa, elongation ≥42%, and hardness ≥42%, making it suitable for demanding applications.
  • What forms is Alloy 34 available in?
    Alloy 34 is available in various forms including cold-drawn wire, hot-rolling wire, strip, smooth forged rod, and seamless tubes, with customizable dimensions.
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