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  • Users: csquaredng
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  1. csquaredng

    1/4" thick repad to reinforce branch connection

    Hi guys, I have typically designed with a minimum repad thickness of 1/2" on welded branch connections. This time around, I am dealing with a 4" branch on a 36" run pipe. The problem is with a 1/2" repad, I have a weld proximity issue where the repad weld toe is only 1 mm away from the adjacent...
  2. csquaredng

    Brazing Filler Material for 4140 HT

    Hi all, I am designing a hot tap pilot drill insert holder (1/2" diameter) that is to be brazed onto a sleeve 1" long. Both the holder and the collar are to be made of 4140 25-32 HRC. Can anyone share their insight on which filler material should I use for this application? Also, first time...

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