[MW:34703] After Stabilize Heat treatment of 347H weld material Linear indication observed

Dear seniors ,

As stated subject ,We are facing linear indication on weldolet to Pipe joint  after stabilize Heat treatment.

Pipe & Weldolet material : A 358  347H CL1 & SA 182 F 347H

Pipe & weldolet Size : 20" Sch. 120

Heat treatment Cycle : Soaking temperature : 886 - 905 ( Soaking time : 3 Hr. & 15 min. minimum)

Welding consumable : ER 347 with carbon greater than & equal to 0.04%.

Please give your inputs to eliminate linear indication. 

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