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NICKEL 625 per AMS 5599

TECHNICAL INFORMATION FOR AMS 5599

The AMS 5599 specification covers Nickel 625 in the form of Sheet, Strip, and Plate in the Annealed Condition.

Nickel 625 is generally double-melted, with either EF-AOD melt (Electric Furnace followed by Argon Oxygen Decarburization) or VIM (Vacuum Induction Melt); and with a second melt by either VAR (Vacuum Arc Remelt), or ESR (Electroslag Reduction).

Nickel 625

Nickel 625 is a nickel-chromium-molybdenum alloy with an addition of niobium that acts with the molybdenum to stiffen the alloy’s matrix and thereby provide high strength without a strengthening heat treatment. The alloy resists a wide range of severely corrosive environments and is especially resistant to pitting and crevice corrosion.

High tensile, creep, and rupture strength; outstanding fatigue and thermal-fatigue strength; oxidation resistance; and excellent weldability and brazeability are the properties of Nickel 625 that make it interesting to the aerospace field.

Fighter Jet Metals supplies Nickel 625 per AMS 5599 in Plate form starting at 0.187″ Thickness up to 4.00″ Thick. Standard width and length of Sheet and Plate is 48.00″ Wide X 120.00″ Long but our stocked sizes may vary.

Applications of Nickel 625

  •  – Wire rope for mooring cable
  •  – Propeller blades
  •  – Submarine auxiliary propulsion motors
  •  – Submarine quick disconnect fittings
  •  – Exhaust ducts for Navy utility boats
  •  – Sheathing for undersea communication cables
  •  – Submarine transducer controls
  •  – Steam-line bellows 

Limiting Chemical Composition of Nickel 625