[MW:2287] Re: hydro test

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

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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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