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Nickel-based Alloy, Do You Know?
Nov 09, 2018

Inconel 718 may be a nickel-chromium-molybdenum alloy designed to resist a good vary of severely corrosive environments, corrosion and crevice corrosion. This alloy steel alloy additionally displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. This metal is employed from refrigerant temperatures up to future service at 1200° F. one amongst the distinctive options of metal 718’s composition is that the addition of Nb to allow age hardening that permits tempering and attachment while not spontaneous hardening throughout heating and cooling. The addition of Nb acts with the metal to stiffen the alloy’s matrix and supply high strength while not a strengthening heat treatment. different standard nickel-chromium alloys are age hardened through the addition of Al and atomic number 22. This alloy steel alloy is quickly made-up and should be welded in either the treated or precipitation (age) hardened condition. This superalloy is employed in an exceedingly style of industries like region, chemical process, marine engineering, pollution-control instrumentality, and nuclear reactors.

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In what forms is Inconel 718 out there at Mega Mex?


  • Sheet

  • Plate

  • Bar

  • Wire

What are the characteristics of Inconel 718?


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

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

  • Highly immune to chloride and compound 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 hardening while not the danger of cracking.

  • Excellent attachment characteristics, immune to postweld age cracking

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In what applications is metal 718 used?


  • Chemical process

  • Aerospace

  • Liquid fuel rocket motor elements

  • Pollution-control instrumentality

  • Nuclear reactors

  • Cryogenic storage tanks

  • Valves, fasteners, springs, mandrels, tube hangers

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

  • Gas turbine engine components

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