Thursday, April 24, 2008

[MW:745] Re: how to find hydrogen concentration

Can you eloborate  on Rf and   refrence  standard or technical  literature  on this.As i understand , the H2 partial pressure needs to be  seen in the process stream and  steel shall be suitable to be resistant .
Regards,
tagore

On Wed, Apr 23, 2008 at 8:21 AM, Raghuram Bathula <raghurambathula@gmail.com> wrote:

May i know why you need this calculation? if possible please detaile it for the benifit of all members. probably the following would help you!

This formula is used for detecting cracking susceptibility of steels and is valid only for certain range of steels

 

Where PH is the cracking susceptibility parameter, H is the concentration of hydrogen (in parts per million), Rf is the restraint stress (in megapascals), and:

 

 

Good luck!


On Wed, Apr 23, 2008 at 3:28 PM, mech <arunmecheng@gmail.com> wrote:
>
> is there any mathematical formula to find  optimum level of hydrogen
> concentration in steels
>
> >
>





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