[MW:3015] Re: LTCS bolting for SS flange

Dear Balasubramanian,

 

Sorry,I have sent design temprs wronge…..

The actual design conditions as below,

Tubeside:  -104/65 Deg C

Shell side: 120 deg c.

Materils:SS 304 flange (Heat exchanger Equipment body flanges)

Bolt & nut : A 320 gr L7 and A194 Gr b4,(M 30)

Please Advice me is it acceptable..

sorry fo asking help with wronge data.

 

Regards,

 

Prakash K B,

Process Engineer.
 

On 8/25/09, Balasubramanian Jawahar <jawaharcb@yahoo.com> wrote:

Dear Prakash,
            Your Design Temperature does not show that your service is low temperature.Then why you need LTCS bolts?Any datas missing?...
Jawahar...
B.JAWAHAR,  PETROFAC INTERNATIONAL LTD,  SHARJAH,UAE.  


--- On Tue, 8/25/09, prakash kamathuru <prakashkbp@gmail.com> wrote:

> From: prakash kamathuru <prakashkbp@gmail.com>
> Subject: [MW:3009] LTCS bolting for SS flange
> To: materials-welding@googlegroups.com
> Date: Tuesday, August 25, 2009, 11:10 AM
> Dear all,
>  
> Can any one help me to get information regarding LTCS
> boltings used for SS flsangs.
>  
> Presently we r using LTCS boltings A 320 Gr L7 for SS
> 304 Heat exchenger bonnet(head) flanges.Is there any effect
> on the equipment.
>  
> Please give me some backup hint to get understand abt
> it.
>  
> Design tempr is 300 deg C
>  
> Regards,
>  
> Prakash
>
> >
>
>
>

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