I have a circular HSS column subjected to cyclical compression stresses that has significant corrosion pitting to the extent that the section needs repair for strength reasons. The pitting is limited to a 4" area along the length of the column but is approximately half the depth of the 7/8" wall thickness. Normally I would consider doing some clad welding and welding a section over to bypass/reinforce the localized area, but this being a rounded surface subjected to cyclical loading, I'm not sure this is an appropriate choice. Does anyone have any suggestions for resources or solutions that address this type of repair (where fatigue conditions are a concern)?
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