RE: [MW:6744] Pressure vessel in Austenitic-Ferritic Stainless Steel

Dear Herman,

Austenitic ferritic grade implies duplex. Do you have any specific details
about design parameters, other requirements e.g NACE MR-0133 or API-938C.

If you have those details then correct grade/s could be worked out.

Thanks.

Pradip Goswami,P.Eng.
Welding & Metallurgical Engineer/Specialist
Ontario Power Generation Inc.
Email-pgoswami@sympatico.ca,
pgoswami@quickclic.net

-----Original Message-----
From: materials-welding@googlegroups.com
[mailto:materials-welding@googlegroups.com] On Behalf Of B.Raghuram
Sent: Friday, August 27, 2010 7:42 AM
To: materials-welding@googlegroups.com
Subject: RE: [MW:6743] Pressure vessel in Austenitic-Ferritic Stainless
Steel

In Sec VIII div1, refer part UHA
table UHA 23 gives material specification refer SA240 for plate material in
sec IIA, which grade of duplex are you loking for?

sent from my handheld
-----Original Message-----
From: hpi001
Sent: 27/08/2010 4:35:07 pm
Subject: [MW:6741] Pressure vessel in Austenitic-Ferritic Stainless Steel

Dear Sirs,

One of my customers have to manufacture a pressure vessel according to ASME
VIII in Austentic-Ferritic Stainless Steel. I personally have not a lot of
experience with the ASME code because we mostly produce according to
European standards.
I need some help to find the following information:

1) which material specification is applicable for austenitic-ferritic
stainless steel plates for pressure vessels, I can't find this in ASME
section II part A.

2) where can I find in the ASME specifications which weld details are
allowed for pressure vessels and support skirt.

Thanks for response in advance.

Herman Pieper

Pieper Quality Support & Inspection
www.pieper-qsi.com

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