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  • Users: rvidal
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  1. rvidal

    Purging 304

    Today I found myself confused as to IF ss piping (304 specifically) needed to be purged prior to welding. There is a project in the shop, pre-fab of a vapor piping, 2" sch40 304 ss for a local food plant ( no inspection required) and it is not being purged. Also, the first pass is fusion welded...

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