Thursday, February 26, 2009

[MW:1659] Re: A333 Material for impact test requirement

First of all, let me clarify that A333 material is intended for low
temperature service only. So it is unlikely that the material is not impact
tested except for grade-11

ASTM A333 calls for impact testing (except grade-11) as per the material
standard itself when the thickness exceeds 3 mm. (Refer Para-8 and
Table-5).

So far as the impact testing of material (as per design standard) is
concerned, I feel it is very well explained in Para 323.2.2(particularly
sub para a) and Table 323.2.2. Other/subsequent para's are also elaborative
for the exact requirement for various materials. Also, refer the Fig.
323.2.2A for other materials.

I hope this has clarified. As a matter of fact, I could not follow your
exact question. If you have any particular doubt, pl. specify otherwise, it
seems to be a hypothetical question.

Best regards,

Prasad


"Faigal Fernando
Agbanawag"
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Subject
[MW:1655] A333 Material for impact
26/02/09 04:06 PM test requirement


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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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