ASME Sec-IX Ed2007 Addenda July'09 has removed the S Number , hence
all are now P No.s,
upto July'08 addenda it was valid that qualification on P No. will
qualify S No. but not vice versa, but the new addrenda has removed
thisportion.
Regards,
On 9/16/09, tong tong <tong2je@gmail.com> wrote:
> For you info,
> S-Numbers are assigned to materials that are acceptable for use by the ASME
> B31 Code for Pressure Piping, or by selected Boiler and Pressure Vessel Code
> Cases, but which are not included within ASME Boiler and Pressure Vessel
> Code Material Specifications (Section II). Material produced under an ASTM
> specification shall be considered to have the same S-Number or S-Number plus
> Group Number as that of the P-Number or P-Number plus Group Number assigned
> to the same grade or type
> material in the corresponding ASME specification (i.e., SA-240 Type 304 is
> assigned P-No. 8, Group No. 1; therefore, A 240 Type 304 is considered S-No.
> 8, Group No. 1). Some variables and figures may not specifically address
> S-Numbers. When this occurs, the requirements regarding P-Numbers and
> P-Number Group Numbers shall apply equally to materials that are assigned to
> corresponding S-Numbers and S-Number Group Numbers. However, if procedure
> qualification testing was done using material
> assigned an S-Number or S-Number Group Number, the range qualified is
> limited to materials that are assigned S-Numbers or S-Numbers Group Numbers
> (i.e., qualification using a P-Number material qualifies corresponding
> S-Number materials; qualification using an S-Number material qualifies
> corresponding S-Number materials but not corresponding P-Number materials;
> qualification of
> welders using a P-Number material qualifies them to weld on corresponding
> S-Number materials and vice versa).
> Regards
> tong2je
>
>
> On Mon, Sep 14, 2009 at 11:54 AM, Sukamal Naskar
> <sukamalbecmet@gmail.com>wrote:
>
>> ASME Sec-IX 2007 ed 2009 add, has removed the S-No. , now all are P No.
>> hence API 5L gr. X52 is P no.1 Gr. no.1 material.
>>
>> regards,
>>
>> On Thu, Sep 10, 2009 at 8:44 AM, Juan Coello <jacoello87@gmail.com> wrote:
>>
>>>
>>> Hello, I'm in need of your knowledge, I need to make a WPS and a PQR
>>> to weld two materials, both are api 5lx52 schedule 120 outside
>>> diameter16", I cannot determine nor find the P number nor Group number
>>> of this material.
>>>
>>> I am also trying to determine what types of electrodes to use, wether
>>> E60XX or E70XX if I'm not mistaken nor how many passes to make (I'm
>>> thinking abot 6).
>>>
>>> Thank you and hoping for a response
>>>
>>>
>>>
>>
>>
>> --
>> Sukamal
>>
>>
>> >
>>
>
> >
>
--
Sukamal
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