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Corrosion performance of alternative steam-generator materials and designs. Volume 1. Summary of corrosion tests of alternative materials and designs in two model steam generators. Final report

Technical Report ·
OSTI ID:5350024
Corrosion results obtained from the post-test non-destructive and destructive examinations of two alternative-materials model steam generators are summarized and compared in this final report. The models operated under representative thermal and hydraulic and accelerated (high contaminant concentration) steam generator secondary water-chemistry conditions. One model was faulted with seawater to a level of 30 ppM chloride for 282 steaming days; the other model was faulted with concentrated, acidified (H/sub 2/SO/sub 4/) fresh water to a level of 40 ppM sulfate for 358 steaming days. Various support-plate and lattice-strip-support designs incorporated Types 347, 405, 409, and SCR-3 stainless steels; Alloys 600 and 690; and carbon steel. Heat-transfer-tube materials included Alloy 600 in various heat treated conditions, Alloy 690, and Alloy 800.
Research Organization:
Combustion Engineering, Inc., Windsor, CT (USA)
OSTI ID:
5350024
Report Number(s):
EPRI-NP-3044-Vol.1; ON: DE84920026
Country of Publication:
United States
Language:
English