ASME SA105 Quenched and Tempered

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Umar Rashid Makrani

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Nov 27, 2016, 7:50:43 AM11/27/16
to Materials & Welding
Dear Mentors,
As per Product specification SA105 marking "QT" is required if the forging is Quenched and Tempered.
in one of the MTC the material mentions as Quenched and Tempered but the marking QT is NOT found.

Please advice 

Regards

George Dilintas

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Nov 27, 2016, 9:46:04 PM11/27/16
to Meghanadh K
for pipes and fitting marking prevails. NCR should be issued and further investigation should be undertaken

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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

anthony chundal

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Nov 27, 2016, 9:46:31 PM11/27/16
to material...@googlegroups.com
Dear Umar,

You can ask the manufacturer to provide a letter of conformity stating that the stamping was missed out and they authorize you to do the same. If it is an coded vessel then please take the concurrence of the AI by raising an NCR. or  else you can inform your client about the same. but most important is if there is impact testing then you have to follow below,

Inline image 1

Thanks & Regards,
Anthony.


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