Fwd: [MW:23225] Heating /cooling rate in PWHT

 B-31.1 PARA 132.5 it is mentioned PWHT Heating & Cooling requirement.

Above 600F( 315 degree centrigrade ), the rate of heating & cooling shall not exceed 600 degree Fahrenheit/Hr ( 315 degree centrigrade/hour) divided by one half the maximum thickness of material in inchat weld, but in no case shall the rate exceed 600 degree fahrenheit/hr ( 325 degrre centrigrade/hour )

My question is how i will calculate, if in case 36mm thickness in carbon steel as well as 36 mm thickness in P-91 material

BR

Pradip

---------- Forwarded message ----------
From: <hwjoshi@tce.co.in>
Date: Thu, May 7, 2015 at 1:12 AM
Subject: Re: [MW:23221] Heating /cooling rate in PWHT
To: pradipsil@gmail.com
Cc: materials-welding <materials-welding@googlegroups.com>



It is available .Refer chapter of fabrication, assembly and erection ,in it.







your truly
H W JOSHI
ENGINEER MECHANICAL
TATA CONSULTING ENGINEERS LTD
MUMBAI - 400 083
TEL : 022 61148414

pradip kumar Sil <pradipsil@gmail.com> Sent by: materials-welding@googlegroups.com 07-05-2015 11:11 Please respond to materials-welding@googlegroups.com

To materials-welding <materials-welding@googlegroups.com> cc Subject [MW:23221] Heating /cooling rate in PWHT

Dear All,
Can anybody inform me,  Piping PWHT  heating & cooling rate where i will get in B-31.1/B31.3.
Thanks & Regards
Pradip

--
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAB%3DAs8mhqLmJYk0%2BDTuC3zCB-6vTCJ6wmzkuy7NShyQP2capLA%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

----------------------------------------------------------------------------------------------------------
Information transmitted by this E-MAIL is intended only for the use of the addressee(s) and contains information that is privileged, confidential or exempt from disclosure under applicable law. If you are not the intended recipient or it appears that this mail has been forwarded to you without proper authority, you are notified that any use or dissemination and or copying of this email in any manner is strictly prohibited and you are requested to delete this e-mail immediately.
Communicating through e-mail is not secure and capable of interception and delays. Any one communicating with TATA Consulting Engineers Ltd., and / or its subsidiaries or associates or group companies by e-mail accepts the risks involved and their consequences.
While this e-mail has been checked for all known viruses, the addressee should also scan for viruses and notify the originator of e-mail.
---------------------------------------------------------------------------------------------------------

--
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAB%3DAs8%3DxE4hOL308v1Qq_A1yBhquTbzn9r%2BTM_x99nkH1ek1_g%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.