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SOLUTIONS

INCONEL 690 / UNS N06690 / W. NR. 2.4642

NCONEL alloy 690 is a high-chromium nickel alloy which is particularlysuitable for use in oxidising media. Good mechanical properties at room temperature and high temperature, paired with high ductility. Typical applications are: treatment of radioactive waste,components in boilers and steam generators in pressurised water reactors,production of alkali metal sulphates using Mannheim furnaces, fittings in combustion units for crude oil (oil ash corrosion)and glass and silicate production.


Chemical Composition

Nickel

Ni

58% min

 

Carbon

C

0,05% max

 

Silicon

Si

0,015% max

 

Magnese

Mn

0,50% max

 

Sulphur

S

0,03% max

 

Copper

Cu

0,50% max

 

Phosphorus

P

0,02% max

 

Titan

Ti

0,50% max

 

Iron

Fe

7-11% max

 

Chromium

Cr

27-31% max


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