Re: [MW:6013] SA 516Gr 60 Difference with SA516 Gr60N

Dear,

 

Normalizing of steels is used mainly to:

• Balance structure and reduce grain size (as a post–heat treatment method);
• Improve machinability and impact toughness of steel–casts;
• Remove macrostructure created by irregular forming and slab;to soften, give uniform microstructure
• Remove macrostucture created by welding;
• Equalize quality and impact toughness after hot forming.

So I don't think that it is big issue in normal circumstances.Based on code, others comments expected...

On Sat, Jul 17, 2010 at 12:00 AM, James cyrilandrew <jcyrilandrew@gmail.com> wrote:

Dear all,

 

          Regarding Carbon Steel material SA516 Gr60 and SA516 Gr60N .

 

 my doubts as follows,

 

1. what is the difference between them.

2. Generally how we will get from the manufacturer/supplier.

3. Whether we can use instead of SA516 Gr 60  with SA 516 Gr60N.

 

Note : It is ASME Vessel. "'U'" Stamp job. Consider this as urgent . Reply immediately.

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Regards,

J.C.Andrews

QA/QC Engineer

Doha-Qatar.

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