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  1. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    Interesting that the summary of changes claims: The base metal thickness qualified now has only a maximum qualified thickness instead of a minimum and a maximum. I can't find anything that supports this. Wonder if this should read "...maximum qualified depth of penetration." -Ryan
  2. Ryan615

    Bayonet feature tolerance

    Try these: IMAGE 1 IMAGE 2 IMAGE 3 IMAGE 4 IMAGE 5 IMAGE 6 Tried to make it simple, but the embedded files are not working for everyone. Sorry! -Ryan
  3. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    Great post! Thanks for the info. I'll be looking to get a PO approved for the new version today. Looks like some significant changes that are directly related to a core piece of equipment. -Ryan C
  4. Ryan615

    Bayonet feature tolerance

    Any thoughts on this one? I will handle this in a way that appeases the production crew, but I am curious if the call out in IMAGE 5&6 is interpreted correctly. Thanks, Ryan
  5. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    DekDee, I looked through the 2013 version of the code and there was no 403.3(b). -Ryan
  6. Ryan615

    Bayonet feature tolerance

    Hi folks, I have a question about controlling the dimensions of a bayonet feature on one of our parts. For the current drawing rev, the parts seem over dimensioned. Also, the machinist don't really consider the relief between and below the lugs to be one feature (everything highlighted in...
  7. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    Thanks folks. Looks like the older version of the code I borrowed is missing an important clarification. New versions specifically reference backing. That clears it up. Seems to me, that puts us at 10% (not T to 2T, which is just a bad idea with LBW). Is there any allowance for me to use...
  8. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    Any insight on this one? I'm pretty much convinced T to 2T is not applicable for this application, and I'm thinking that we are able to qualify +/- 20% T. It seems logical, anyway. Thanks, -Ryan
  9. Ryan615

    ASME Section IX LBW and Qualified Thickness for Groove Weld

    Hi all, I need some clarification on ASME Section IX in regards to qualified thickness of a groove weld using the laser beam welding process. I have read a number of posts, but did not find many posts specifically related to LBW. A search for QW-403.3 did not bring up any relevant...
  10. Ryan615

    6063-T4: Question about natural aging

    swall: I think the best answer to that question is, growing pains. We're still a new company pumping out our first commercial projects. We have extrusions at different tempers (incorrect tempers according to our drawings) in our warehouse as a result of months old emails to vendors from...
  11. Ryan615

    6063-T4: Question about natural aging

    I've had a few discussions with some coworkers over the last couple days about 6063-T4 and its potential to naturally age at room temperature. Comments like, "don't worry, it will be T6 by the time we ship" seem common with a few coworkers. We do a lot of work with 6005-T5 and have to deal with...

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