Hi I have a job for manufacturing where in a barrel of 250 od and thckness of 25 mm is to be welded with cap at one end and flange at other end (pls see the schematic drg attached )
Two such crucibles are bolted together with M20 fine pitch bolts and the pressure in side is 100bar (test pressure)
The requirement is the welding has to be 100% defect free ( radiography )
I have machined the components and made a 600 V joint preparation at all the joints
We have planed to give a base (root) layer with 70s-2 with GTAW then weld with E7018 3.15mm and then final welding by E7018 4mm
The root gap maintained is 2mm The job will be preheated up to 100digC and the electrodes will be baked
Please suggest whether any thing other than this required whether the root gap is ok
Any other valuable suggestions are welcomed
Thanking you all
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Regards
S.B. Badami
RMS Engineering
11/1 Shanti Nagar Bhosari
cell no +919850920429
+912027127939
visit us at www.indiamart.com/rmsengineering/
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