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  • Users: qcr
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  1. qcr

    NDE after welding (delay) as per API 1104

    HI my friend 24 hours should be enough to identify if there is a cold cracking problem. If such a problem is found, I sugest a second test after 48 hours to assess the complete problem. In the case of shrinkage, if hydrogen is not suspected, no delay is necessary
  2. qcr

    DEFFERENT BETWEEN TYPEGRADE A & B 0F PIPE

    HI .MY FRIENDS PLEASE HELP ME FOR THIS QUESTION: WHAT IS THE DEFFERENT BETWEEN TYPEGRADE A WITH B 0F PIPE STEEL? THANKS A LOT. QCR
  3. qcr

    pwht

    Thank you for your cooperation. GMAW IS OUR WELDING PROCESS.Thickness of base plate 80mm and stiffener that conneted to them is also 80 mm. we use CJP (complete joint preparation) connection for stiffener to column base plate.AWSd1.1 is dwg standard for manufacturing. QCR
  4. qcr

    pwht

    hi. dear I have a question.we have a few column for melt shop plan -steel structure project,that thickness of base plate of this column is 100 mm with st37-2 material type.I want to know we must be done PWHT for this column WITH CJP GROOVE in all joint? please advise me.thanks alot.
  5. qcr

    increase the length of plate

    HI. I want to increase the length of plate(ST37-2) after gouge and repairing weld joint. PLEASE ADVISE ME STANDARD AND HOW MANY IN MILIMETERS I CAN EDJE PREPARATION WITH WELDING. thanks ,,,qcr,,,

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