Re: [MW:34574] QW 406 , preheat maintenance

Then what is the difference between post heating and pre heat maintenance.

On Friday, June 27, 2014 at 12:02:24 PM UTC+5:30 george....@gr.bureauveritas.com wrote:

Preheat maintenance, according to ASME IX,  is not post heating
Preheat maintenance means that you do not cool down before perform PWHT
B31.1 requires preheat maintenance for Pno15E unless engineering provides differently

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor


I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)

Kannayeram Gnanapandithan ---27/06/2014 08:01:37---since max welding is taken place SMAW, it is better to go for POST Heat . temp 50degree above ur pre

From: Kannayeram Gnanapandithan <kgpan...@gmail.com>
To: materials-welding <material...@googlegroups.com>
Date: 27/06/2014 08:01
Subject: Re: [MW:21275] QW 406 , preheat maintenance
Sent by: material...@googlegroups.com

---

since max welding is taken place SMAW, it is better to go for POST Heat . temp 50degree above ur preheat temp and time for minimum 30minutes

THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY


On Thu, Jun 26, 2014 at 11:09 PM, Mahantesh Loni <mahan...@gmail.com> wrote:

Post heating. Not required

On 21-Jun-2014 9:18 AM, "rajesh s. mhaske ,Engineer Welding ,PUNE,INDIA" <rajesh....@gmail.com> wrote:


   Dear sir
               thickness and  OD : 323 od* 70 mm thk
               welding process : GTAW+SMAW
               Material : SA106 Gr B
               Preheating : 100 deg c
               weld deposition : for GTAW : 4 mm, SMAW : 66 mm


   Question  :
                  1) Is the preheat maintenance (post heating ) is required for  above material
                  2) If YES, what is time and temp  plz send the back up
    


--
To post to this group, send email to material...@googlegroups.com
To unsubscribe from this group, send email to materials-weld...@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
 
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
---
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-weld...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


--
To post to this group, send email to material...@googlegroups.com
To unsubscribe from this group, send email to materials-weld...@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
 
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
---
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-weld...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

--
To post to this group, send email to material...@googlegroups.com
To unsubscribe from this group, send email to materials-weld...@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm

The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
---
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-weld...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

This message contains confidential information. To know more, please click on the following link: http://disclaimer.bureauveritas.com

--
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
---
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 view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/78049824-566b-4208-9a8b-b59e0c428479n%40googlegroups.com.