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).
Las preguntas:
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.