[MW:9902] RT film interpretation as per B31.3

---------- Forwarded message ----------
From: sebastin wilson <asswilson@gmail.com>
Date: Tue, Feb 15, 2011 at 9:19 PM
Subject: Re: [MW:9768] welding machine qualificatio
To: materials-welding@googlegroups.com

Dear All

According to B31.3, Please clarify the following which will helpful for RT film interpretation.

a.Can lack of fusion occur in root pass?  My opinion B31.3 341.3.2.sketch is only given as examples. I understood from the picture (C) LF will be consider as IP in that particular case other case like if no HI-LO will be consider as Lack of fusion(If one root edge is not fused).

B.Acceptance critria as per B31.3 for Burn through(BT).I cannot find the relevant details from code book.

C.Acceptance critria as per B31.3, how we measure root concavity by RT if no access? Is densitometer allowed to perform?

I am waiting for your answer on this subject.

With kind regards

A.S.Wilson

On Mon, Feb 7, 2011 at 9:07 PM, <TRavikumar@flowserve.com> wrote:

 Dear all

 In welder qualification and new  process establisment  as per sec ix  . weld consumabels ,test coupons &weldrs are our only using the welding m/c from the subsuplliers place is it valid for qualification .since the welding machine is not  variabel


RAVIKUMAR T S
SENIOR ENGINEER-
FLOWSERVE INDIA CONTROLS PVT.LTD
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E-MAIL :travikumar@flowserve.com

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