Re: [MW:16583] ASTM A516 Gr.70 normalizing

on the basis of hardness difference u can recognize. normalized
(air-cooled) should have more hardness than the as-rolled or stress
relieved. as hardness is related to tensile strength u can assess its
strength and compare it with literature value.

regards,

On Wed, Jan 23, 2013 at 11:08 AM, Eng.Mahmoud kamel
<mahmoudharb100@hotmail.com> wrote:
> 5. Heat Treatment
>
> 5.1 Plates 1.50 in. [40 mm] and under in thickness are
>
> normally supplied in the as-rolled condition. The plates may be
>
> ordered normalized or stress relieved, or both.
>
> 5.2 Plates over 1.50 in. [40 mm] in thickness shall be
>
> normalized.
>
>
>
>
> regards
> mahmoud
> ________________________________
> From: hyperm2m@gmail.com
> To: materials-welding@googlegroups.com
> Subject: [MW:16574] ASTM A516 Gr.70 normalizing
> Date: Wed, 23 Jan 2013 06:17:22 +0330
>
>
>
> Dear All
>
>
>
> I need to know how can understand that ASTM A516 Gr.70 is normalized or not?
>
>
>
> Somebody told me:
>
> "according to clause 5.3 of ASTM A516 standard (attached), when we apply
> charpy impact test on a material and it pass the impact test successfully,
> we can say the material is surly normalized but if the material can't pass
> the impact test, we shall apply metallographic test to understanding if the
> material is normalized.
>
>
>
> And somebody said me:
>
> "we have just 1 way to know that is the material normalized or not. And its
> metallographic test."
>
>
>
> M. Farhang
>
>
>
>
>
>
>
>
>
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.