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In What Applications Is Metal 718 Used?
Nov 22, 2018

What are the characteristics of metal 718?


  • Good mechanical properties – tensile, fatigue and creep-rupture

  • Yield strength, creep, and rupture strength properties are passing high

  • Highly immune to chloride and sulphide stress corrosion cracking

  • Resistant to binary compound corrosion and chloride particle stress corrosion cracking

  • High temperature resistant

  • Age-hardenable with a singular property of slow aging response that allows heating and cooling throughout tempering while not the danger of cracking.

  • Excellent fastening characteristics, immune to postweld age cracking


In what applications is metal 718 used?


  • Chemical process

  • Aerospace

  • Liquid fuel rocket motor elements

  • Pollution-control instrumentation

  • Nuclear reactors

  • Cryogenic storage tanks

  • Valves, fasteners, springs, mandrels, tube hangers

  • Well head completion instrumentation and blow out preventers (BOP’s)

  • Gas turbine engine elements


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