RE: [MW:31006] Filler rod selection for SS 304L to SA 335 pipe welding

E/ER-312, with a high ferrite content, will also experience severe embrittlement at elevated temperatures. 

 

From: 'wilfred kojo' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: Sunday, June 14, 2020 11:00 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:31005] Filler rod selection for SS 304L to SA 335 pipe welding

 

Hi,

For high temperature service, ER312 or E312 is not a good choice due to difference in coefficient of thermal expansion between 312 and ferritic steel which cause early failure.

 

On Monday, 15 June 2020, 04:39:14 GMT+1, harenath jha <harenathjha@gmail.com> wrote:

 

 

Basis of selection please ?

 

On Sun, Jun 14, 2020, 21:39 Chintan <chintan51@gmail.com> wrote:

Use ER312 & E312

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