but my intention is QW409.4 OR QW410.9 OR QW 410.10 are supplementary&
non essential in same time.if the impact test isn't required, the
supplementary are non essential.why botn of them are marked for the
above variables?
how them used?
regard
On 6/14/10, Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com> wrote:
> Supplementary essential variables shall become mandatory when impact testing
> is required by design. and when there is a change requalification is
> required.
>
> Non Essential variables may be revised on WPS, but requalification is not
> necessary.
>
> ________________________________
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of Ali Asghari
> Sent: Sunday, June 13, 2010 10:46 PM
> To: materials-welding@googlegroups.com
> Subject: [MW:5580] NONESSENTIAL OR SUPPLEMETARY
>
> Dear All
> in QW 250-QW280 in ASME sec IX,SOME VARIABLES ARE NON ESSENTIAL &
> SUPPLEMENTARY IN SAME TIME.e.g in current
> WHICH ONE SHALL BE CONSIDERED?HOW INTERPRETED?
> REGARD ADVANCES
>
>
>
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