Inconel 625 is a nickel-based super alloy that possesses excellent resistance to oxidation and corrosion in a broad range of environments. Additionally this alloy has outstanding strength and toughness at temperatures ranging from cryogenic to 2000 degrees Fahrenheit. This alloy possesses a high degree of formability and shows better weldability than many other highly alloyed nickel based materials.

Applications:

Aerospace field,used in such applications as aircraft ducting systems, engine exhaust systems, thrust-reverser systems, resistance-welded honeycomb structures for housing engine controls, fuel and hydraulic line tubing, spray bars, bellows, turbine shroud rings, and heat-exchanger tubing in environmental control systems.

Chemical processing field,it is made into a variety of components for plant equipment.

Nuclear field,used for reactor-core and control-rod components in nuclear water reactors.

Limiting Chemical Composition, %

Nickel........................................................................58.0 min.
Chromium................................................................20.0-23.0
Iron.............................................................................5.0 max.
Molybdenum.............................................................8.0-10.0
Niobium (plus Tantalum).......................................3.15-4.15
Carbon.......................................................................0.10 max.
Manganese................................................................0.50 max.
Silicon........................................................................0.50 max.
Phosphorus.............................................................0.015 max.
Sulfur........................................................................0.015 max.
Aluminum...................................................................0.40 max.
Titanium ....................................................................0.40 max.