Because of FCC structure of SA182 steel you can use 316L for mentioned forged flange.
Regards,
Zaidi
From: chiluka venkatramulu <ramuluchiluka@gmail.com>
To: materials-welding@googlegroups.com
Sent: Saturday, 21 July 2012, 15:50
Subject: Re: [MW:14923] Allowable temp range for SS316/316L
Pl read A312 piping standard where it is clearly said that stainless
steel matiarial can be used up to -200 deg C without impact, and also
We are using SA 182 F 304L or 316lL at -190 Deg C in cryogenic
service.
CVR
On 6/21/12, yash yagnik <yash2223@gmail.com> wrote:
> Dear Mr Bagesh,
>
> I have worked with cryogenic field where MDTM is up to -196 Deg Celcius and
> flange used for the field of cryogenics we used that same material : ASTM A
> 182 Gr F 316L.In my opinion there will be no problem to use this flanges
> for lower temperature services.
>
> Regards
>
> Yash
>
> On Wed, Jun 20, 2012 at 5:35 PM, Bagesh Kumar <bagesh.kmr@gmail.com> wrote:
>
>> Dear friends...
>>
>> Below is the query posted by my friend...
>>
>> Regards..
>> Bagesh
>>
>> On Jun 20, 2012 3:47 PM, "Narendra Singh" <ns.mech@gmail.com> wrote:
>>
>> Good Morning Sir,
>>
>>
>>
>> Hope things are fine at your end.
>>
>>
>>
>> Sir I have one query on using flanged forged material ASTM A182 Gr F316L
>> (B16.5) for weld neck flange at temp (-)70 deg C., however B16.5 doesn't
>> tabulated any equivalent pressure (Group-2.3 per B16.5)below -29 C. Is
>> this
>> material suitable for temperature -70 degree Centigrade while ASME B16.5
>> doesn't provide any allowable at this temperature.
>>
>>
>>
>> Actually In one of my project PMS having temp range of -75 to 150 Deg C,
>> and tabulated ASTM A182 Gr F316L (B16.5) for flanges. My piping has
>> operating temperature of -70 Deg C and Design 85 Deg C.
>>
>> I need to check flange leakage but unfortunately no allowable values
>> given
>> in B16.5.
>>
>>
>>
>> I request your expert views on above.
>>
>>
>>
>> --------------------------
>> Thanks & Regards
>> Narendra Singh
>> GSM: 9818696721
>> Mail: ns.mech@gmail.com
>>
>> $ Please dont print this email unless you really need to $
>>
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>
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