[MW:3450] Re: 3408] prequalified wps

Dear
ST37 is same as S235JR or A36 but it only different name dut to
different standards or codes
so u can make the WPS for S235JR or A36 or higher grade from the same
group
Regarding
Hani Alfe

On Oct 5, 6:18 pm, "John Henning" <jhenn...@deltak.com> wrote:
> No, not if conformance to AWS D1.1 is required.
>
> Section 3, Prequalification of WPSs, paragraph 3.3, Base Metal / Filler
> Metal Combinations states, in part, "Only base metals and filler metals
> listed in Table 3.1 may be used in prequalified WPSs.  ( For the
> qualification of . . . base metals and filler metals not listed in Table
> 3.1 see 4.1.1.)  
>
> There is no provision for "equivalence" of materials - either it is
> certified by the mill as one of the materials listed in Table 3.1 or it
> is not.  If not it must be qualified by test (PQR).
>
> John
>
> ________________________________
>
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of Ali Asghari
> Sent: Saturday, October 03, 2009 7:31 AM
> To: materials-welding@googlegroups.com
> Subject: [MW:3408] prequalified wps
>
> Hi FRIENDS
> is it possible to write a prequalified wps for ST37 according
> AWSD1-1?(THIS MATERIAL NOT LISTED IN TABLE 3-1,BUT HAVE SIMILLAR
> COMPOSITION WITH SOME LISTED )
> REGARDS.

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