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  • Users: k2012
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  1. k2012

    Internal Epoxy Painting on smaller vessels

    Hi Littleinch, If the painting is permitted before hydro test (UG 99 k1, k2) allows this subject to client approval), we can have tank partially fabricated and painted inside. Then it becomes easy to weld the top dish end and paint the remaining unpainted area i.e. top seam circumference...
  2. k2012

    Internal Epoxy Painting on smaller vessels

    Thank you GenB for your feedback. I am approaching some local companies other than my painting sub-contractors that do epoxy painting and everybody is confirming that it can be done although difficult. However getting details on how it can be done is difficult from these sub-contractors. I am...
  3. k2012

    Internal Epoxy Painting on smaller vessels

    We have requirement of internal epoxy painting of carbon steel volume tanks. The smallest size is dia 350 mm and height 700 mm. Internal coating before hydro test is not permitted by client, hence all fabrication must be complete before hydro test and then internal painting. So only access for...
  4. k2012

    Corrosion allowance for bonnet extension

    Hi, Customer has specified corrosion allowance for the valve as 3 mm. Valve is Globe Valve with extended bonnet. Our design is with standard bonnet welded with extension part. This extension part can be a pipe or from bar. Need your help in understanding if the corrossion allowance is applicable...
  5. k2012

    Practically achievable maximum hardness for ASTM A995 Gr 6A

    Hellow everyone, I am looking for the practically achievable maximum hardness(BHN) for ASTM A995 Gr. 6A castings with REN > 40 and meeting mechanical properties. Understand that if increase in hardness is achieved through heat treatment, then mechanical properties will be affected. So can...

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