[MW:15809] RE: Dissimilar welding CS to DUPLEX SS

Hi Pradip,

UNS 31254 is a super austenitic stainless steel, popularly known as 254SMO.
See the attached document (highlighted texts) for instructions on welding ,
between similar base metals and dissimilar welds between C.S # UNS S31254.

For welds involving PWHT advisable would be to butter the C.S, perform PWHT
followed by welding to UNS S 31254.

Thanks


P.Goswami,P.Eng.IWE
Welding & Metallurgical Specialist
Ontario, Canada.
Email-pgoswami@sympatico.ca,
pgoswami@quickclic.net

-----Original Message-----
From: pradip kumar sil [mailto:pradipsil@gmail.com]
Sent: Monday, October 29, 2012 3:40 AM
To: materials-welding
Cc: pgoswami
Subject: Dissimilar welding CS to DUPLEX SS

Dear Experts,
In our isometric drawing shows dissimilar welding carbon steel to duplex
stainless steel ( 31254 grade ) thk is 9.52 mm. Can anybody give me
guideline to make this WPS.
Regards
Pradip

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