Re: [MW:19629] MPT for fasteners - Yoke technique

Dear Prem,

It depends on the nature of discontinuity you are looking for. For full threaded studs it is more easy than bolts with heads, however you have to find shots experimentally and you need a stud with artificial discontinuity longitudinal and transverse to the main direction of the stud.

Regards

On Mon, Dec 16, 2013 at 1:18 PM, Sripad Raj <sripadrajpurohit87@gmail.com> wrote:

Dear Mr.Prem,

Yes, we can use the yoke method. But before going ahead prepare the  procedure and get it approved.

Thanks & Regards,

Sripad raj

On Sat, Dec 14, 2013 at 11:01 PM, prem nautiyal <prem_nautiyal26@yahoo.com> wrote:

Hi friends

 

We have approved an MPT procedure for fasteners -- SA 193M Gr B7, full threaded studs, M42 X 2700 mm long which are going to be used for an heat exchanger.

 

Approved MPT procedure mentions coil shot and head shot technique for the studs.

 

However vendor does not have facility for head shot / coil shot technique and has Yoke technique facility.

 

Vendor has requested for Yoke technique for these studs instead of head shot/coil shot.

 

Can we accept Yoke technique for these size of studs ?

 

Regards

 

Prem Nautiyal

9769316004

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