[MW:10738] Re: Welding of two different Group metal (Gr II with Gr III)

hi,

according AWS D1.1 Table 4.8, u must run new PQR.

On 19 avr, 11:16, Raj <raj.inspect...@gmail.com> wrote:
> Hi,
>
> AWS D1.1 is not specifically mentioning about combining of two or more
> PQRS.
>
> If you refer table 4.8 of AWS D1.1, It specifies as If PQR base
> material used is "Any Unlisted steel to Any Unlisted steel or Any
> steel listed in table 3.1 or Table 4.9" - WPS base metal group
> combinations allowed by PQR will be "Only the specific combination of
> steel listed in PQR".
>
> Since grade S355JR is belongs to BS standard and according AWS D1.1
> table 3.1/4.9, this material shall be considered as "Un Listed".
>
> You cannot club these two PQRs for welding each other. You have to
> qualify a PQR with a combination of "S355 JR to Group III" material.
>
> Hope this will clarify.
>
> Cheers!
>
> Raj
>
> On Apr 18, 5:54 pm, Brl Pp <refazosa...@gmail.com> wrote:
>
> > Good morning,
>
> > Please advise us if the welding of two different Group metal (Gr II
> > with Gr III) is covered by the PQRs of both groups, according to AWS
> > D1.1 code.
>
> > Example:
>
> > PQR1: concern the welding of S355 JR - S355 JR (Gr II)
>
> > PQR2: concern the welding of API 5L X60 - API 5L X60 (Gr III)
>
> > Question: The welding of S355 JR - API 5L X60 is covered by the above
> > PQR (PQR1 & PQR2) according to AWS D1.1 code?
>
> > Thank's and regards
> > REDOUANE

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