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[MW:2287] Re: hydro test

By Materials & Welding
dear shank
i read a type for releasing residual stress is mechanical methods such as hydrotest and also in API RP 579,hydro test is used for increasing brittle resistance.
rgd adv

From: Shank Vagal <nach_sam@yahoo.com>
To: materials-welding@googlegroups.com
Sent: Sunday, May 31, 2009 3:05:43 PM
Subject: [MW:2286] Re: hydro test

Ali.
This is a very unusual query; hydrotest is an integrity test. All other things - where did you get them from?
Rgds
Shank

--- On Sun, 31/5/09, Ali Asghari <asghariali@rocketmail.com> wrote:

From: Ali Asghari <asghariali@rocketmail.com>
Subject: [MW:2285] hydro test
To: materials-welding@googlegroups.com
Date: Sunday, 31 May, 2009, 9:07 AM

hi
can every body answer two follwing questions?
how hydro test increase the resistance to brittle fracture or failure by crack like flaw?do hydro test decrease residual stress?
 
regard advance.




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