Thursday, February 26, 2009

[MW:1656] Re: A333 Material for impact test requirement

Dear Sir,

I'm not familiar with the B31.3 but I know that all material according
to ASTM A333 have requirements for Impact testing for material
certification, except for Grade 11, see chapter 8 of ASTM A333 . This
means that all other material grades must have impact values mentioned
on their material certificate. Depending on the materials grade also
the test temperature is laid down in the ASTM A333, see table 5 of
this specification. The minimum requirements for each grade are
mentioned in table 4. Some grades even requires measuring lateral
expansion of the impact specimens. If it concerns welded pipe also
impact values are required for the weld area.
This is completely independent of the specification B31.3

If you can specify the grade of material I can send you the
requirements for this grade.

Best Regards,

Herman Pieper

On 26 feb, 13:06, "Faigal Fernando Agbanawag"
<faigal.agbana...@czfp.com> wrote:
> Dear all,
>
> Can anybody elaborate chapter III of B31.3 regarding the impact test
> requirement of ASTM A333 where in section 323.2.2 states the limitation
> concerning impact testing  of a particular material. Is it mandatory for
> A333 to have an impact test ?,  where low temperature service is not an
> issue.
>
> Your response are highly appreciated.
>
> Regards,
> Faigal Fernando Agbanawag
> Sr. Piping Engineer
> Clough ZFP
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