Hi ,
P no is assigned to all materials under ASME SEC IIA and IIB.
S no is asigned to materials that are permitted to use by ASME B31 code for pressure piping.
Note that material qualified having certain P no qualifies corresponding S no however viceversa is not true
Regards
Sachin
On Sun, 11 Oct 2009 13:59:06 +0530 wrote
>Hi Friends
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As per ASME Sec.IX, QW420, materials are grouped and assigned P-Numbers i.e. Parent material number.
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Similarly i would like to know what is meant by S-Number with full form and detailed explanation !!!
>
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Regards
>
>
Prem NautiyalPREM S NAUTIYAL
>
CELL : 9820313278
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