Re: [MW:18755] Qualified welder and asociated welding Procedure

Dear U- Wynn Naing ,

As long as, you have the Welder Qualification test certificate with RT report  and relevant continuity log , for example , if he was tested on Jan 2011, from that year, for every 6 months from the date of test , his qualification must be renewed or extended with supporting NDT reports to justify his skills.

Refer AWS D1.1 , Section 4, clause 4.1.2 /  4.1.2.1  / 4.1.2.2 / 4.1.3.1 for testing and extention.

Also refer these, 4.18.3 Welder and Welding Operator Qualification Through WPS Qualification. 

A welder or welding operator may also be qualified by welding a satisfactory WPS qualification test plate, pipe or tubing that meets

the requirements of 4.8. The welder or welding operator is thereby qualified in conformance with 4.18.1 and 4.18.2.

Check whether he had qualified using PQR, when he welded a PQR which has been passed . it means, if PQR passes, then the welder who has welded the PQR also passes.

You can see the supporting WPS No. mentioned in welder test certificate itself , if any . 

In AWS D1.1, Section 4, clause 4.22 for Essential Variables, Changes beyond the limitation of essential variables for welders, welding operators, or tack welders shown in Table 4.12 shall require requalification.

If you have doubts on his skill, performance, then test him again.

Hope this clarifies .

Cheers,

Saravanan,

Korea

On Mon, Sep 23, 2013 at 11:57 PM, Anthony Rudder <arudder@irwinindustries.com> wrote:

In this case you will have to qualify the welded with your WPS.

 

Tony Rudder

QA/QC Manager

Irwin Industries

Direct: 310-233-3044

Cell: 310-629-2629

Email-arudder@irwinindustries.com

 

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Malusare Vijay
Sent: Monday, September 23, 2013 6:45 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:18751] Qualified welder and asociated welding Procedure

 

Yes you can

On Sep 23, 2013 11:10 AM, "U WYNN-NAING" <u.wynn-naing@total.com> wrote:

Dear Experts,

 

 

We want to use our contractor's welder who is recently qualified as Per AWS D1.1-2008 Edition requirement.

He is qualified to P01 to P01 material class, SMAW process, 3mm - 20mm thickness range.

His RT report is traceable but the associated WPS (Procedure used for welder qualification test) is not available.

 

We have company approved welding procedure with the same material class and thickness range.

 

My question is whether this welder could conduct welding by using our approved WPS (the same material class and thickness range) OR

Do we need to re-certify again in accordance with company WPS.

 

Thanks and Rgds,

WN

 

 

 

 

 

 

 

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