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Posted by Tom Stanton on July 04, 2002 at 17:41:08:
In Reply to: Waterside furnace corrosion posted by Marc Segovia on July 04, 2002 at 11:29:51:
SA 516 Gr 70 is a very common material for firetube boiler furnaces. I do not think the problem is with the material. How did you observe this? Was it through a handhole opening? It is possible what you are seeing is not pitting. Have your boiler chemical rep take a look.
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