Re: [MW:16686] PWHT Temperature for welding CS To SS

Dear Sevak,

As per ASME B 31.3,

331.2.3 Dissimilar Materials

(a) Heat treatment of welded joints between dissimilar

ferritic metals or between ferritic metals using dissimilar

ferritic filler metal shall be at the higher of the

temperature ranges in Table 331.1.1 for the materials in

the joint.

(b) Heat treatment of welded joints including both

ferritic and austenitic components and filler metals shall

be as required for the ferritic material or materials unless

otherwise specified in the engineering design.

Regards,

Santosh.

On Fri, Jan 25, 2013 at 8:08 AM, Prakash Hegde <pb.hegde@yahoo.com> wrote:

Controlling factor for PWHT temp  is CS and not SS  and we have heat treat as per ASME code UCS 56 or any applicable code

 

Regards

 

Hegde Prakash

----- Original Message -----
From: sevak hiren <hirensevak80@gmail.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Cc:
Sent: Thursday, 24 January 2013 12:04 PM
Subject: [MW:16587] PWHT Temperature for welding CS To SS

Dear Experts,

Kindly suggest what should be the PWHT Temperature after welding of
following dissimilar materials.

SA 516 Gr.70 To SA 240 Gr.304

Regards

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