Heat exchanger expansion jointing, welding, then re-expansion welding

2017-05-09View Original

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Shandong Province Rules for Calculating Installation Work Quantities, Volume 5, Article 5.1.23: “For heat exchangers that require expansion jointing followed by welding and then re-expansion jointing, the quota for expansion jointing shall be applied multiplied by a coefficient of 1.15.” ”What does “weld swelling” mean?

Reply #22017-05-09

I would like to know too; could some expert please explain it?

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Heat exchanger expansion jointing, welding, then re-expansion welding

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