Inconel® 718 AMS 5663

Inconel® 718 AMS 5663 available at Rockwell Industries (also known as Inconel alloy 718, inco718, inc718, alloy718) is a nickel-chromium-molybdenum alloy designed to resist a wide range of corrosive environments, pitting and crevice corrosion. Rockwell Industries Inconel 718 nickel alloy also displays high tensile and creep-rupture properties at elevated temperatures.

Stock sizes: 0.500”dia to 3.000” diameter

Common Specifications:

  • AMS 5663
  • PWA-S-5663, CPW-A-5663
  • B50TF15 Classes B/C/E/F
  • ASTM-B637
  • ASME-SB637
  • Pratt & Whitney LCS F-17
  • General Electric S-400 / S-SPEC-35
  • SPS-M-275

Industry Trade Names:

  • Inconel 718
  • Pyromet 718
  • VDM 718
  • ATI 718
  • Nickel 718

Common Applications:

  • Jet engines
  • Aerospace fasteners
  • Rocket motors
  • Oil and gas shafts and wellhead components

Composition

Element Min. Max.
Carbon — 0.8
Manganese — 0.35
Silicon — 0.35
Phosphorus — 0.010
Sulfur — 0.015
Chromium 17.00 21.00
Nickel 50.00 55.00
Molybdenum 2.80 3.30
Copper — 0.30
Columbium (Niobium) 4.75 5.50
Titanium 0.65 1.15
Aluminum 0.20 0.80
Cobalt — 1.00
Boron — 0.006
Lead — 0.0005 (5 ppm)
Bismuth — 0.00003 (0.3 ppm)
Selenium — 0.0003 (3ppm)
Iron remainder