Thickness Range Qualified by Welder - ASME Sec. IX

[Vivek Jadhav (HFGR)]

Dear Experts,

Can someone explain me following ASME clause regarding thickness range qualified by welder & is it OK if a welder welds 13 mm & above with 3 or more layers, he is qualified for maximum thickness ( e.g. 50mm or more )

 

 

 

 

 

 

 

 

 

Best Regards,

Vivek Jadhav

 

[Karthik]

Yes. He can weld up to maximum to be welded

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

German-Thai Boiler Engineering Cooperation Limited.

Rayong Factory ;

379 Moo.6 Soi 8, Tambol Pananikom,

Nikompattana, Rayong 21180 THAILAND

Tel : +66 38 897 035-9 Ext. 137

Fax : +66 38 897 034

Hand Phone: 0066 892512282

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From: Vivek Jadhav (HFGR) <VJa...@ccc.ae>
To: material...@googlegroups.com
Sent: Tuesday, February 14, 2012 10:57 AM
Subject: [MW:13667] Thickness Range Qualified by Welder - ASME Sec. IX

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[guru vasanth]

Yes he can weld up to maximum to be welded

Thanks &regards

Guru.S.M

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[doni afrizal]

Dear,

Yes,he can weld but remember t pass > 13mm is essential variable for
SMAW,SAW,FCAW,GMAW.

If he weld t pass > 13mm your WPS only qualified base metal T <
1.1Tpqr (see qw-403.9)

Regards,
Doni Afrizal
IdWI, ASNT NDT Level 2 (MT,PT,RI)

Karthik wrote:
> Yes. He can weld up to maximum to be welded
>
> Thanks & Regards,
>
>
> (Karthik)
>
>
> Karthikeyan.S
> QA/QC Manager
> German-Thai Boiler Engineering Cooperation Limited.
> Rayong Factory ;
> 379 Moo.6 Soi 8, Tambol Pananikom,
> Nikompattana, Rayong 21180 THAILAND
> Tel : +66 38 897 035-9 Ext. 137
> Fax : +66 38 897 034
> Hand Phone: 0066 892512282
>
>
> ________________________________
> From: Vivek Jadhav (HFGR) <VJa...@ccc.ae>
> To: material...@googlegroups.com
> Sent: Tuesday, February 14, 2012 10:57 AM
> Subject: [MW:13667] Thickness Range Qualified by Welder - ASME Sec. IX
>
>
>
> Dear Experts,
> Can someone explain me following ASME clause regarding
> thickness range qualified by welder & is it OK if a welder welds 13 mm
> & above with 3 or more layers, he is qualified for maximum thickness ( e.g.
> 50mm or more )
>
>
>
>
>
>
>
>
>

[Shaunak Upadhyay]

Dear friend,

As per below clause upto 12 mm 2t qualify, and for maximum take 13 and high thk plate with minimum 3 layers in single process.

Regards,
Shaunak,

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[Jhonn Zambrano]

Hi everybody, somebody knows if there is a minimun in the thickness of weld metal qualified, because in the Table QW 452,1 b, there's only a maximun but not a minimun.

Thanks

Jhonny Zambrano

[John Henning]

As of the 99 Addenda there is no minimum qualified thickness for weldor qualification.  The minimum thickness will be that of the applicable PQR. 

 

Remember diameter rules of QW-452.3 still apply.

 

John A. Henning

Welding & Materials

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