Sunday, March 27, 2016

Re: [MW:24580] Preheating and PWHT for B31.3 CS mtls

Please refer 331.1.3 Definition of Thicknesses Governing PWHT.

Thickness shall be considered for the joints after edge preparation. For dissimilar thickness, you should consider the thickness at bevel edges.

regards,
LALU


On Sat, Mar 26, 2016 at 2:26 PM, Binoy Lonappan <binoypl3@gmail.com> wrote:


As per the attached requirement from B31.3.2014 edition PWHT tequirement .the thickness considered is the lesser of the two parts joining .
Does it means if one of the parent metal is of below 25 mm PWHT not required.?
BINOY L
QC Engineer-Mechanical
AGC.
Project:AFU KKIA Riyadh.KSA
   

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