Manufacturing of Incoloy- 800 Tubes Nuclear Steam Generator Tubes

K. Siva Rama Krishna Rao, K. Praveena


Incoloy-800 is a nickel-chromium alloy that is best known for its ability to maintain a stable structure during prolonged exposure to high temperatures. Incoloy-800 possesses more than the strength to withstand the basic stress caused by heat, though. It has high levels of resistance to oxidation and carbonization, making it one of the most effective materials for use in carbonizing equipment and heating element sheathing.

A Ni-Cr-Fe alloy that resists high temperature oxidation. This alloy is a first choice for an upgrade from the 300 series stainless steels when improved performance or strength at temperature is required.


Joseph R. Davis, Nickel, cobalt, and their alloys, ASM International Handbook Committee. Page-38, 39.

Ruth Jane Salomon, The ductility behavior of Incoloy alloy MA956, University of Birmingham in Birmingham, 1994.

Harry Chandler Heat treater's guide: practices and procedures for nonferrous alloys. Page:-112-115.

Dumitra Lucan, Degradations of Incoloy 800 Steam Generator Tubing.

The 14th International Conference on Wear of Materials took place in Washington, DC, USA,2003.

Bruce D. Craig, David S. Anderson, Handbook of corrosion data, ASM International

Handbook Committee.

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