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Nukie (Nuclear)
17 Nov 01 11:44
What is the difference between ASTM A105 and ASME SA105 ???

Thanks for you time
gunnarhole (Mechanical)
17 Nov 01 14:46
SA-105 and A-105 are the same material.  ASME adds a "S" prefix to the ASTM materials they include in Section II.

Regards

Gunnar
jmagee (Mechanical)
18 Nov 01 15:15
gunnarhole is 100% correct.
Helpful Member!(2)  MJCronin (Mechanical)
20 Nov 01 12:00
Nukie,

Everything above is correct, however what is missing is the reason for the distinction.

ASME "SA" materials are permitted for use as components for ASME pressure vessels...... for example, one would expect to see SA105 carbon steel components on a vessel drawing.

ASTM "A" materials are permited for use in a Power or chemical process plant piping system designed to ASME B31.1 or B31.3.

Material Records must be maintained by the vessel fabicator for all "SA" materials......... the piping system fabricator must only supply evidence, in the form of a certificate of compliance, that the materials meet the "A" requirements.

Hope that this helps..............

MJC
lalaith (Petroleum)
20 Nov 01 15:39
MJCronin,

This is very interesting.  I would like to know where this information is referenced.  This could prove very useful in my job.

Lala

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