Re: [MW:12560] PWHT Requirement for SA 335 P91 (or P no. 5B Group 2/ 15E group 1)

@Raghuram ... Thank you very much for your prompt and sufficient response

@Goswami Sir! Please see the table below. If you require more information i will forward 

Regards

ASIF

+971-50-9198730

On Tue, Sep 27, 2011 at 4:00 PM, pgoswami <pgoswami@quickclic.net> wrote:

Hello Asif,

 

I have seen the use of P-91 material in conventional thermal generation units, coal, HRSG ,Coal+Biomass. If the plant in question is a solar power plant, then what're the design and operating conditions (e.g temperature, pressure )?

 

Appreciate your response. 

 

Thanks.

 

Pradip Goswami,P.Eng.IWE

Welding & Metallurgical Specialist & Consultant

Ontario,Canada.

Email-pgoswami@sympatico.ca,

pgoswami@quickclic.net

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Bathula Raghuram (Mumbai - PIPING)
Sent: Tuesday, September 27, 2011 1:30 AM

To: 'materials-welding@googlegroups.com'

Subject: RE: [MW:12546] PWHT Requirement for SA 335 P91 (or P no. 5B Group 2/ 15E group 1)

It is included in B31.1 as P5B in old editions, however  this material is regrouped as P15E in latest edition of ASME BPV Sec IX, , pl refer the table below.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of ASIF
Sent: Tuesday, September 27, 2011 10:42 AM
To: materials-welding@googlegroups.com
Subject: [MW:12545] PWHT Requirement for SA 335 P91 (or P no. 5B Group 2)

 

Dear experts!

 

 

Project : Solar Power Plant

Construction Code ASME B31.1

 

ASME Sec IX

 

PWHT Requirement - SA 335 P91 or P no. 5B Group 2 material is not included in 132 Para and Table of B31.1, and also,

ASME Sec IX para QW-407 do not mention this material group.

 

Client Specification do not mention this requirement separately

 

Please advise! do we need to go for PWHT ?

 

 

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