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  1. EZasPieEngineer

    Gas Main 16" Weld Cap (Y52) - ASTM A516?

    I have a spec. calling for 16" welded cap (grade Y52) to be installed on the end of a gas main. Most cases the MSS-SP-75 and ASTM A234 is called for but in this case there is an additional requirement of ASTM A516 added. Whats the added benefit of using A516 besides improved notch toughness?

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