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do any one have any evidence of galvanic corrosion when an ss spacer ring is being used as spacer for CS pipe socket gap ring. does this volume difference of spacer and pipe have any effect on rate of corrosion when coming to a liquid medium during the process. can any one specify this SS can be...

good day is there any requirement that can be followed for ESSAB 7018-1 electrode condition before re-baking. the electrode initial issued to site as vacuum pack and returned to store after 12 hours and stored at consumable store without power for 12 hours.