Hello Abhisekh Rai,
What's the thickness involved here ??
Thanks
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Specialist
Ontario, Canada
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of HAREESH K V
Sent: Monday, October 07, 2013 3:26 AM
To: materials-welding
Subject: Re: [MW:18867] PWHT Requirement for dissimilar welding b/w P91 & SS304
Then prepare the joint b/w P91 and SS304 and weld with ERNiCr-3
No PWHT requirements after this
On Sun, Oct 6, 2013 at 2:05 AM, Octane Mac <octane.mac@gmail.com> wrote:
B31.3: 704-760 C, minimum holding time 2 hrs. Holding time 1hr/in.B31.1: 730-775 C, minimum holding time 30 minutes. Holding time 1hr/in. Note: As it is a dissimilar material welding and a nickel based consumable is recommended therefore minimum holding temperature shall be 700 C.Octane
--
On Fri, Oct 4, 2013 at 7:33 PM, Abhishek Rai <abhishekkrrai@gmail.com> wrote:
Dear Sir,--
Please confirm the requirement of PWHT b/w welding of P91 & SS 304.the operating temperature of piping is 640 deg c .
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Hareesh K V
+91-9447625012
Hareesh K V
+91-9447625012
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