Material Standards

• AMS 5508

Product Forms

• 718 Round Bars
• 718 Plates
• 718 Welded Products
• 718 Sheets

Common Trade Names

• Alloy 718
• Inconel® 718
• Nickel 718

Material Properties

• Mechanical Properties:
  • Excellent tensile, fatigue, and creep rupture strength
• Welding Properties:
  • Outstanding weldability with resistance to aging cracks post-welding
• Oxidation Resistance:
  • Effective oxidation resistance within its operational temperature range

Main Applications

• Gas turbine engine components
• Liquid fuel rocket motor parts
• Springs and fasteners
• Low temperature boxes

Physical Properties

• Density:
  • 0.208 lb/in³ (annealed)
  • 0.274 lb/in³ (aged)
• Melting Range:
  • 2410 - 2540 °F