Monday, August 15, 2016

[MW:25256] Re: Problem in welding tube to tube sheet welding

Dear Chandan,

Can you provide the type of heat exchanger & the weld joint confirgation of the tube to tubesheet.

Regards

On Friday, 12 August 2016 15:24:28 UTC+8, chandan wrote:

Dear Experts,

 

We are facing problem of leakage during service condition in heat exchanger. Leakage are coming in the  tube to tube sheet welding in service condition. Attached are the reference photos

Details are defined below,

Construction code – ASME SEC-VIII Div-1 and Div-2

Material – Tube Sheet - SA 240 UNS 31803

Tube   - SA789 UNS 31803

Filler – ER2209

  Allowable Temperature – Shell –    +180 / -30 C, Pressure- 1 bar /FV

   Allowable Temperature-   Tube- +200 /+10 C, Pressure 10 bar

                               MDMT -0 C

Service Media –            Shell – Methanol + LIBR

Tube – Thermal oil

 

Let us know why such failure occurs and preventive actions

 

--
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-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/802de84f-e951-4fdd-998d-4e3d9a12f9d0%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

No comments:

[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

Hello,   Please see the response below.   Regards.   P. Goswami, P. Eng, IWE.   From: materials-welding@googlegroups.com <materials-weld...