Dear Sir,
puneet takiar
Dear Sir,
You have to check the threading depth too.
means it might happen that to overcome looseness of nuts , mfgr has decrease the core dia so as to increase the thread height.
Or
you can check its tensile properties by direct breaking.
Regards,
Puneet
From: Chandra Bhusan Tripathi <cbt@rediffmail.com>
To: Mohamed.Soliman@WorleyParsons.com
Cc: materials-welding@googlegroups.com
Sent: Mon, 29 March, 2010 7:40:52 PM
Subject: Re: [MW:4632] Bolts failure
You can send damaged bolt for tensile testings. Sometime the bolts also fails due to over tightening. Please check with the manufacturer for correct tightening torque.
On Tue, 30 Mar 2010 11:38:16 +0530 wrote
>
Dear all ,
Ihavea casefor the bolts and nutGrade 8.8 ,Carbon steel material according to EN 20 898.Those bolts and nuts are failedduring the tightening and some of the nuts are loose .
What tests can becarried out to ensure the soundness of those bolts .
Best Regards
M.S
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