CORROSION IN HEAT EXCHANGERS, THE VALUE OF MATERIAL SPECIFICATION

W.M.M. Huijbregts , Ferdinand Uilhoorn , H.C. Wels

Abstract

An often observed cause for in service corrosion failures is erosion-corrosion. Despite the high failure risk carbon-steels are not yet specified on erosion-corrosion resistance. Based on published data a simple computer model is made with which the effects of various parameters on the erosion-corrosion rate can be calculated. The erosion-corrosion resistances of 70 heats of carbon steel have been determined in a water-steam jet rig. Small amounts of "alloying" elements appeared to be very beneficial for erosion-corrosion resistance (Cu, Cr, Mo and C). Modified carbon-steel should be applied in water-steam systems, to prevent erosioncorrosion. Return On Investment calculations show that the introduction of a modified steel can result in large money savings.
Author W.M.M. Huijbregts
W.M.M. Huijbregts,,
-
, Ferdinand Uilhoorn (FEE / DPEGHS)
Ferdinand Uilhoorn,,
- Department of Power Engineering and Gas Heating Systems
, H.C. Wels
H.C. Wels,,
-
Pages1-17
Book Sarton L.A.J.L, Zeedijk H.B. (eds.): Materials, functionality & design [also] EURO MAT 97 : proceedings of the 5th European Conference on Advanced Materials and Processes and Applications, vol. 1, 1997, Zwijndrecht : Netherlands Society for Materials Science, ISBN 9080351318, [9789080351318], 774 p.
Keywords in Englisherosion, corrosion, heat exchangers
Languageen angielski
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