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  1. Haiker

    SR Of U-Bends

    If you want the best corrosion resistance you should consider pickling after solution annealing as well.
  2. Haiker

    Tracking RT failures

    Here you go.http://files.engineering.com/getfile.aspx?folder=367499f1-7df0-48d6-adf1-4f60ffd0dd56&file=Weld_Avg.xlsx
  3. Haiker

    Repair / Alteration Joint Efficiency

    In Section VIII if you can't RT you are allowed to UT. Not sure about NBIC though?
  4. Haiker

    Tracking RT failures

    We track failures vs. total number of film shot per weld. This gives us a success rate for each weld and a monthly average for each welder and a composite total. Some track it by inches, but if I have a reject I have to reshoot the whole shot not just the inch(s) rejected. I run it on a...
  5. Haiker

    Lamellar tear vs Laminations and Z through Test

    Lamellar tearing is caused by a load being applied to a plate, beam etc. which tears the material apart. Lamination occurs in rolled products when a gas bubble is confined in the product as it is cast, then rolled creating a void or lack of fusion in the product. Ultrasonic inspection is a...
  6. Haiker

    Section VIII Pinholes Open to Surface - Criteria

    See the interpretation below: Are pin holes which may propagate through thickness the issue or is porosity the issue. Interpretation: VIII-1-89-88 Subject: Section VIII, Division 1 (1986 Edition, 1988 Addenda), UW-38 Date Issued: May 10, 1989 File Number: BC86-519 Related Documents...
  7. Haiker

    Fabricator reluctant to stamp ASME certification mark with U designator

    The stamping should be per UG-116(h) and the part would be accompanied by a Partial Data Report per UG-120(c).

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