[MW:3226] Re: Welding Issue

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

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