As defect observed in RT, so pl.rectify the defect with cutting of that portion and again do the welding and than do the heat treatmentagain.And for test piece once u can do the heat treatment only of test piece and again do the heat treatment with product. Than send tht test piece for testing and if it is ok with RT and mechanical testing than we can accept tht.
Regards,
Mahek shah
L&T
On Sat, Nov 27, 2010 at 12:30 PM, yoga nandhan <yoganandhan@gmail.com> wrote:
Anyone, Can u plz give your opinion,--
PQR qualification of SS pipe, 30" x 15.88 mm thik pipe by SMAW+SAW process, In RT defect observed in 200 mm length which is not acceptable as per Sec IX. But rest of the portions are without any significant defects.
Can we proceed with the Mechanical testing after discarding the defect area or is it required to Repair & Re-RT to be done in the defect area before taking the specimen for mechancial testing..... Plz clarify.
BR
P.Yoganandhan
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