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Industry knowledge about Inconel 625
Jan 22, 2019

Inconel 625 may be a corrosion and chemical reaction resistant metal that's used each for its high strength and outstanding binary compound corrosion resistance. Its outstanding strength and toughness is because of the addition of Nb that acts with the metal to stiffen the alloy’s matrix. Alloy 625 has wonderful fatigue strength and stress-corrosion cracking resistance to chloride ions. This metal has wonderful weldability and is often wont to weld AL-6XN. This alloy resists a good vary of severely corrosive environments and is particularly immune to erosion and crevice corrosion. Some typical applications alloy 625 is employed in are chemical process, region and marine engineering, pollution-control instrumentality, and nuclear reactors.

In what kind is alloy 625 out there at Mega Mex?




Pipe & Tube (welded & seamless)


What are the characteristics of alloy 625?

High creep-rupture strength

Oxidation proof against 1800° F

Seawater erosion and crevice corrosion resistant

Immune to chloride particle stress corrosion cracking


Chemical Composition, %

CrNiMoCo + NbTaAlTiC
20.00-30.00Remainder8.0-10.01.0 max3.15-4.15.40 max.40 max.10 max
5.0 max.50 max.50 max.015 max.015 max

In what applications is metal 625 used?

Aircraft ducting systems


Jet engine exhaust systems

Engine thrust-reverser systems

Specialized H2O instrumentation

Chemical process instrumentation

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