Re: [MW:5942] Inservice failure

What is the material, compositions?

best regards,

Vaidehi Ganesan.

=============================================================

Dr. Vaidehi Ganesan,

Metallurgy & Materials Group,

IGCAR, Kalpajkkam-603 102, India.

=======================================================

----- Original Message -----

From: pankaj abhang

To: materials-welding@googlegroups.com

Sent: Sat, Jul 10, 10 10:15

Subject: [MW:5924] Inservice failure

Dear Members,

 

We had supplied a Finned tube radiator after 1 year in service the header to tube joint getting shearing off near 10-15 mm from weld joint. what will be the reason for the failure.

 

Details are as given below-

 

Tube inside process fluid- Steam at 200 celcius

Tube MOC- SA 240 TP 249

Tube Thickness-2 mm

Header pipe -3"NB sch10s

Header MOC- SA 240 TP 312

Welding Joint- UW 16.1(d)

Welding Technique- GTAW

Working pressure- 15 bar(g).

 

 

PANKAJ

 

--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
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.

---

No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.830 / Virus Database: 271.1.1/2997 - Release Date: 07/12/10 00:06:00