Heat treatment regarding

[Raja Pandiyan]

Dear experts,

Pl clarify the heat treatment requirements for SA106 Gr.B pipe I.D  to be flared and done by hot formed operation  like red hot heating with hammering of die in the pipe id  to get the required dimensions.

Does it require heat treatment?

Also the above said process is good engineering  practice for flaring operation of pipe? 

[Vishwas Keskar]

How much flared dia from to which dia 

What is % ?

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