You have to consider the weld where maximum is deposited (331.1.3.states “when the thickness through the weld in any plane through the branch is greater than twice the minimum material thickness requiring heat treatment …………….” )
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Ali Asghari
Sent: Tuesday, February 08, 2011 6:59 PM
To: materials-welding@googlegroups.com
Subject: [MW:9785] thickness of WELDOLETS
Dear All
According to ASME B31.3 fig328.5.4.D( SKETCH1) the thickness of weld deposit is calculated acc to 331.1.3.
Now in weldolet fittings that have unequal thicknesses in both of ends. Tb is equal to thicker or thinner thickness?why?
we need to know for calculating of governing thickness for PWHT.
regards.
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