[MW:696] Re: 683] Re: Section IX QW 200.4(b)

Dear all,

I think my question is not clear to all, so i can explain once again that: to make a WPS by combining two PQR's, is it mandatory that the first PQR shall be qualified in half inch minimum?

 

sajeev

Raghuram Bathula <raghurambathula@gmail.com> wrote:

for GTAW process T would be 20mm max.

On Mar 25, 6:33 pm, "kumara bala" wrote:
> Is it 20 or 200? It might be 200..
>
> On Mon, Mar 24, 2008 at 7:04 AM, Bathula Raghuram (Mumbai - PIPING) <
>
> R.Bath...@ticb.com> wrote:
> > You can use combination of these processes to weld a base metal thickness
> > (T) of up to 20mm max.
>
> > ------------------------------
>
> > *From:* materials-welding@googlegroups.com [mailto:
> > materials-welding@googlegroups.com] *On Behalf Of *shabbir ahmad
> > *Sent:* Saturday, March 22, 2008 2:07 PM
> > *To:* materials-welding@googlegroups.com
> > *Subject:* [MW:683] Re: Section IX QW 200.4(b)
>
> > Yes Sanjeev
>
> > U can use GTAW for root deposit as per QW 200.4b.
>
> > shabbir
>
> > On 3/21/08, *jitendra Thakor* wrote:
>
> > Dear Sanjeev
>
> > As per QW200.4(b) it is mandatory that your GTAW PQR thickness should
> > be minimum 13 mm. than you use GTAW as root as qualified in PQR.
>
> > Regards
> > Jitendra
>
> > On Fri, Mar 21, 2008 at 2:11 PM, sajeev c.g wrote:
> > > Dear all,
>
> > > I have to prepare a WPS from two PQR's as per section IX.
> > > PQR 1 qualified in 10mm coupon full GTAW
> > > PQR 2 qualified in 40mm coupon SMAW+SAW(20mm deposit each)
>
> > > Can i write a WPS to weld GTAW (root) + SMAW+SAW?
> > > As per QW200.4(b) is it mandatory that the PQR 1 will be qualified in
> > 13mm
> > > minimum to write a WPS as above?
>
> > > Regards
> > > sajeev

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