ICONEL 718

UNS N07718

Characteristics.

  • Other common names: Alloy 718, 718 HaynesMR, NicroferMR5219, AllvacMR718, AltempMR718.
  • Nickel- chromium-molybdenum alloy, niobium added.
  • Resistant to a wide variety of corrosive environments, pitting and corrosion cracking. 
  • High proof strength and creep rupture strength at high temperatures.
  • Good mechanical properties and voltage.
  • Resistant to aqueous corrosion and chloride ions stress-corrosion cracking.
  • Easy to fabricate and weld. 
  • Used in a variety of industries such as marine processes, aerospace, nuclear, chemical, cryogenic storage tanks, valves, screws, etc.

Shape or Presentation

  •  Print 
  • Plate 
  • Bar 
  • Tube 
  • Tubing 
  • Flanges and Fittings 
  • Welding

Chemical Composition %

  • Ni
  • Fe
  • Cr
  • Cu
  • Mo
  • Nb
  • C
  • Mn
  • P
  • S
  • Si
  • Ti
  • Al
  • Co
  • B
  • 50.00 – 55.00
  • Balance
  • 17.00 – 21.00
  • 0.30 max
  • 2.80 – 3.30
  • 4.75 – 5.50
  • 0.08 max
  • 0.35 max
  • 0.015 max
  • 0.015 max
  • 0.35 max
  • 0.65 – 1.15
  • 0.20 – 080
  • 1.00 max
  • 0.006 max

*Inconel is a registered trademark of Special Metals Group Corporation.