Experimental Superheater for Steam at 2000 Psi and 1250 F—Report After 14,281 Hours of Operation
- 1 February 1957
- journal article
- research article
- Published by ASME International in Transactions of the American Society of Mechanical Engineers
- Vol. 79 (2) , 307-315
- https://doi.org/10.1115/1.4012991
Abstract
In order to investigate the reactions of superheater alloys to operating conditions producing steam at 1250 F, a test element constructed of 2-in-OD alloy tubes was installed in an operating boiler at the Twin Branch Plant. Operating conditions and experience after 5000 and 12,000 hr as well as metallurgical examination of specimens removed from the element after nearly 7000 hr of operation were described in previous papers. The present paper describes the results of the metallurgical examinations after 14,281 hr of operation, when the experiment was discontinued and the test element removed for complete examination and evaluation.Keywords
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