Michele Kearney's Nuclear Wire

Major Energy and Environmental News and Commentary affecting the Nuclear Industry.

Wednesday, March 7, 2012

Reactor Pressure Vessels: Metallurgy and Fabrication

atomic power review



Posted: 06 Mar 2012 11:14 AM PST
I have received a number of comments on the information I've provided over time on reactor pressure vessels and have also received requests for further information. As a result of this input, I've prepared the following brief discussion on reactor vessels.

REACTOR PRESSURE VESSELS: METALLURGY AND FABRICATION

A few brief points will begin this presentation.

-Reactor vessels for light water cooled reactors are manufactured of low carbon alloy steel to secure strength

-These vessels are normally lined with stainless steel to provide corrosion protection against the water used as reactor coolant

-Reactor vessels are difficult, time consuming and expensive to manufacture because of the absolute necessity for near perfection in forming, welding and machining

Let's start off with an examination of the reactor vessel manufactured for the first large commercial nuclear plant in the United States - the Shippingport Atomic Power Station. Below is an illustration - click to enlarge.

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