Sunday, April 24, 2011

Re: [MW:10827] Query for hardness of HAZ & Weld metal

of course service affect the hardness, for example if you have your weld in conact with ammonia gas at certain temp. nitriding will occur , thus will raise the hardness of your weld, also carburizing may occur if conditions promote this, thus depends on the service ,the fluied, or just operating temp of the weldment, some microstructure may occur and cause change in hardness..

--- On Sun, 4/24/11, muthu barathi <muthu_barathi@rediffmail.com> wrote:

From: muthu barathi <muthu_barathi@rediffmail.com>
Subject: Re: [MW:10819] Query for hardness of HAZ &amp; Weld metal
To: materials-welding@googlegroups.com
Date: Sunday, April 24, 2011, 8:48 AM



yes of course and that is called seasoned hardened some little changes
may be there.


On Sat, 23 Apr 2011 21:47:17 +0530 wrote
>
>Dear friends,
Is it possible that hardness of HAZ & weld metal in any welding shall
be changed in service with time.
Any cases regarding above shall be much helpful, if available.

With Regards,
M P Singh

Dear materials-welding ! Get Yourself a cool, short @in.com Email ID
now!



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Dear Sir,





Thanking You,

Honesty is the best Policy

With Warm Regards,

Muthu Barathi P
Mobile No:00962788269821 (Jordan)
00962775401951
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