Re: [MW:5011] Increasing the mechanical sternght by Quenching and tempering.

Hi,

 

Please note that only with heat treatment you cannot change one material grade to another.

The elements added in the material, manufacturing methode & heat treatment are togrther plays the role in the strength of material.

 

It  means for X65 pipe you have to buy X65 pipe or multiple certified pipe in which manufacture guarantee the property of X65 pipe.

 

Regards,

 

Ibrahim 

On 2 May 2010 10:53, Moen - QA <Syed.Moin@gerabgroup.com> wrote:

Dear All,

Can any body guide me on how to increase the mechanical strength of an X52 or X60 pipe?

We want to perform a quenching and tempering heat treatment on pipe of Grade X52 and X60 in order to achieve a mechanical strength equal to the X65 pipe.

I am not familiar with this process, appreciate if anyone can answer to the below question,

1)      Is it possible to enhance the mechanical properties by QT?

2)      What should be the quenching and tempering temperatures?

3)      Medium for quenching

4)      Tempering temperature and holding time.

5)      Is there any formula which utilizes the chemical composition to find out the quenching and tempering temperature and holding time etc?

6)      Method of heating.

If any one has done this before please share you experience.

Thanks & Regards
Syed Moin                               

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Thanks & Regards
Muhammed Ibrahim PK

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