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Annular ring replacement rat holes

thread809-495676

Annular ring replacement rat holes

Annular ring replacement rat holes

(OP)
I’m trying to find any code in api 650/653 regarding rat holes for welding annular ring butt-joints. When replacing the annular ring in an existing tank.

RE: Annular ring replacement rat holes

not in either standard, not sure why you would do that.

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