Re: [MW:13348] REGARDING Impact test of VESSEL PRODUCTION TEST COUPON

Hi,

As per ASME Sec.VIII,Div.1-UG84, 

The minimum impact energy for one specimen shall not be less than 2⁄3 of the average energy required for three specimens. The average impact

energy value of the three specimens may be rounded to the nearest J.

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

Getabec Energy Co.,Ltd.

379,Moo6,Soi8,Nikhomphatana,

Rayong-21180,

Thailand.

Phone: 0066 38 897035-8 (Off)

Fax: 0066 38 897034

Hand Phone: 0066 892512282

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From: Harish Kannepalli <harishkannepalli@gmail.com>
To: materials-welding@googlegroups.com
Sent: Wednesday, December 28, 2011 12:08 AM
Subject: Re: [MW:13334] REGARDING Impact test of VESSEL PRODUCTION TEST COUPON

Dear Vivek,

                70% of required average is ok, ur values r ok to pass the PTC.

2011/12/27 Vivek Pandey <vivek.pande06@gmail.com>

Respected All,


I want your suggestion about Impact test of vessel production test, I
have tested a stress relieved PTC Impact test on weld & HAZ AT -47
DEG. PTC has failed again I have  done  reheat treatment & Retest with
same cycle of the job. PTC has failed in one indivzual value by 1
joule.Value is like this way 28, 19, 34.


Is there any acceptance criteria as per ASME SECTION VIII DIV 1. other
wise all weld of category A B C D to be gauged & reweld.

Kindly solve my query as soon as possible



Regards
VIVEK PANDEY

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regards,

Harish.

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