Re: Re: [MW:28704] Tack weld

Hi, 

check

ASME B 31.3 328.5 Welding Requirements for tack weld qualifications.

328.5.1 General

(c) Tack welds at the root of the joint shall be made with filler metal equivalent to that used in the root pass. Tack welds shall be made by a qualified welder or welding operator. Tack welds shall be fused with the root pass weld, except that those that have cracked shall be removed. Bridge tacks (above the weld) shall be removed.

and check QW-452.6 for Fillet Qualification by Groove‐Weld Tests.

Thanks.

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Mohamed Muneeb Mahaboob

CSWIP 3.2-89247/2 

ASNT-NDT-L2-RTFI-RT-UT-MT-PT.

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From: Mohamed Muneeb

Date: 2018-11-28 18:49

To: materials-welding

Subject: Re: [MW:28702] Tack weld

Yes as per QW-452.6

On Wed, Nov 28, 2018, 5:46 PM gurupad sugavi <gurupadgs@gmail.com> wrote:

Dear gents

Please clarify about the following 

If a welder qualified in 3g plate, can he weld pipe tack weld at any position?

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