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Low Expansion 4j36 Alloy Plate Hot Rolled Blackboard Round Rod For Precision Instruments

Company Video
May 28, 2025
Category Connection: Iron Nickel Alloy
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Tags:
#nickel iron alloy #nickel iron #alloy iron and nickel
Brief: Discover the 4J36 Low Expansion Alloy Plate and Invar 36 Round Bar, designed for precision instrument components. This iron-nickel alloy offers ultra-low thermal expansion, high strength, and excellent mechanical properties, making it ideal for electronics, aerospace, and automotive applications.
Related Product Features:
  • Ultra-low coefficient of thermal expansion (1.2 x 10^-6/°C) for dimensional stability.
  • High tensile strength (490-680 MPa) and yield strength (≥240 MPa).
  • Excellent corrosion resistance in dry air at room temperature.
  • Good machinability with uniform structure for efficient cutting and grinding.
  • Wide application in electronics, aerospace, and precision instruments.
  • Nickel content (35-37%) ensures optimal performance in harsh environments.
  • Maintains hardness between 130-200 HB in annealed and cold-rolled states.
  • Suitable for welding with various methods, including TIG and arc welding.
Faqs:
  • What is the primary use of 4J36 Low Expansion Alloy?
    4J36 is widely used in precision instruments, electronic packaging, and aerospace components due to its ultra-low thermal expansion and high strength.
  • How does 4J36 perform in corrosive environments?
    4J36 resists corrosion in dry air but may require protective coatings in humid or harsh conditions to prevent rusting.
  • Can 4J36 alloy be welded easily?
    Yes, 4J36 can be welded using various methods like TIG and arc welding, with low heat input and no need for pre- or post-weld heat treatment.
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