Re: [MW:25095] HARDNESS LIMIT

Dear Mr. Dharmesh,

Thanks for your reply but table 2 of SA 370 is approximate value and we are not knowing actual tensile strength of material after pwht.

Regards,

Ankit Gandhi. 

On Friday, 8 July 2016 20:42:46 UTC+5:30, Dharmesh Mistry wrote:

lower limit shall be derived from ASTM A370 with comparison of minimum
tensile strength.

On Sun, Jul 3, 2016 at 8:57 PM, Ankit Gandhi <asgan...@gmail.com> wrote:
> Dear sir,
>
> As per Hardness procedure we are often seeing that for P1 material 200 BHN
> P4 material 220 or 230 upper limit, but in no case we i have seen lower
> limit for hardness.
>
> Normally after PWHT Forging material hardness is going down distinctly may
> be 130-140 BHN.
> So Please let us know what is lower limit for hardness and what is reference
> document for that?
>
> Regards.
> Ankit Gandhi.
>
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--
Thanks, & With Best Regards,



Dharmesh MISTRY

+91 9820735814

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