Welding procedure with Impact test

[Somu Meganathan]

Hello all,

Till  today we have not qualified any welding procedures with impact test requirements. Now we got an order with impact test requirements. i.e, HE body flange need to be impact tested at -9 deg. C. It seems we need to qualify the welding procedures with impact test.

My doubts are We need to qualify the welding procedure with impact with -9 Deg.C or can we do less than -9 Deg.C. Is it required impact tested welding procedures, when the materials need impact test qualified?

Regards,
M.SOMU
 

[james gerald]

It depends on the Materials(Grade) and P. No Grades & Group No & Design Code to determine the Weld Impact tests. Please provide

Thanks & Regards

J.Gerald Jayakumar

0091-9344954677

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[Tamizh Selvan]

It is an supplementary essential variable ... so need to perform impact test .

With Warm Regards,

S.TAMIZH SELVAN,

Mobile: +91-9597370860 ( India )

          

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[Dinesh Somwanshi]

Dear ,

It is depend on material MOC, While you no need to qualify full procedure again you may proceed only with Impact Testing keeping parameters within earlier qualified WPS.

Thanks & Regards

DINESH VITTHAL SOMWANSHI

BACHELOR IN MECHANICAL ENGINEER

AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL
API 570 - Piping Inspector, AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3
NDT II -UT , RT , MT , PT, VT
+7 924 374 6660 Russia , 00919881344135 India ( Whatsapp )
Skype = dinesh somwanshi

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[Mhaskar Aly]

Yes.. WPS to be qualified with impact test; if you have PQR suitable for BM, FM is suitable for impact properties , welded in uphill positions  and tested for code required tests, then you need to weld only one test coupon as per existing WPS & carry out impact test at MDMT or lower temp.

When Design specify applicability of impact test, then you need your welding procedures with impact test.

Aly

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