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welding to hi-temp piping

welding to hi-temp piping

welding to hi-temp piping

(OP)
Can anyone please offer advice on welding a lug or tab to a muffler/silencer that can reach 1200 degree F under operating conditions?  Thanks in advance.

RE: welding to hi-temp piping

You need to know the materials of construction. Once this is known, a filler metal/welding process can be selected to join the lug or tab. By the way, what is the function of the lug or tab????

RE: welding to hi-temp piping

Silencers are usually rather thin, and need a thicker doubler under any lug or tab to spread out the load.



 

Mike Halloran
Pembroke Pines, FL, USA

RE: welding to hi-temp piping

(OP)
Metenger & MikeHalloran thanks for your replies.

The silencer is sch 10.  The lug/tag serves as sliding/movement stop and also for futureremoval.  I am also interested in how does the high operating temperature affect the lug/tab properties under service conditions.   

RE: welding to hi-temp piping

g1366g;
What is the silencer material composition (ferritic stainless steel?), besides the thickness?

RE: welding to hi-temp piping

(OP)
304 SST

RE: welding to hi-temp piping

Use E308 filler metal to join the lug/tab (of 304 material)to a doubler plate (304 material) that is fillet welded to the silencer base material.

RE: welding to hi-temp piping

(OP)
thanks, metengr.

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