Re: [MW:10642] Weaving

Dear Sampath,

1. Weaving is not an essential variable as far as ASME Sec IX is considered. So the WPS can be revised as per requirement.
2. ASME Sec VIII puts restriction on weaving as mentioned in your WPS, as a good engg practice.

In my opinion as far as the heat input is within control & the minimum bead length mentioned in WPS is achieved there is no problem.

Please revert in case of doubt.

Regards,
 

On Thu, Mar 24, 2011 at 12:01 PM, Sampath Kumar <skthatham@gmail.com> wrote:

Dear Friends,

 

WPS says the weaving is allowed/permitted 3times the diameter of the electrode.Please tell me wheather we can allow if the weaving is more than the allowable limit.If it can be allowed.What is the reasons and on what basis it is allowed?If it can not/should not be allowed.Why and what is the reasons?

 

My opinion is that it should not be allowed.[1]Because it deviates from the WPS.[2]properties may vary because of the excess heat In put due to excess weaving.

 

The contractor is of opinion that they will change the WPS to suit excess weaving.It is not an essential variable,hence it can be allowed.To substantiate their claim they say they will change the WPS and they will perform Hardness Test to prove that the properties were not changed.

With Best Regards

Sampath

 

 

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