Machining allowed in Butt weld pressure joint?

[Vadivel Mahadevan]

Dear Experts!!

I am from a Valve industry. I am doing fabrication of a valve. After butt welding of two plates, can I carry out skin machining till the plate surface, so that welding is not seen..

I follow ASME Sec.IX for welding qualification.

What are the factors i am supposed to consider.

Thanks and regards

Vadivel. M

9843993317

[Ankit Gandhi]

Dear
You can do machining on seam bbut after machining you have to follow ndt requirement.
For your satisfaction and reduce rework you can carried out ndt before machining but after machining NDT is required.
ASME SEC. IX not restrict m/c.

Regards,
Ankit Gandhi

[George Dilintas]

Yes, you do

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

[c sridhar]

U have not mentioned the thickness of the plate.

Is it single 'V' weld a seal pass after groove grinding and dp check.to avoid

ucs, slag or pores. If it is a double'V' no problem. U can go ahead.

Sridhar, .

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From: George Dilintas <dili...@gmail.com>
To: Meghanadh K <material...@googlegroups.com>
Sent: Tuesday, 13 September 2016 5:49 PM
Subject: Re: [MW:25387] Re: Machining allowed in Butt weld pressure joint?

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