Mauro, sure the material has to follow SecII. The material is a forging- and it has to be certified to SA105, full stop. But what we are talking about is a product. Between the material and the product there is the process. It has to follow a construction code, wich IS NOT SecII. Mind you, there's a lot of processes and parameters not allowed in material specs, which are used by PV manufacturers in accordance with relevant construction codes.

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Konrad Anikiel

Dear all,
Please see ASME Interpertations below
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Interpretation: VIII-1-89-47
Subject: Section VIII, Division 1 (1986 Edition, 1987 Addenda), Tubesheets
Date Issued: December 13, 1988
File: BC88-207
Question: May forged SA-105 blind flanges complying with ANSI B16.5 in pressure classes 150 through 600 be utilized as heat exchanger tubesheets for Section VIII, Division 1 construction?
Reply: No.


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Interpretation: VIII-1-89-178
Subject: Section VIII, Division 1 (1989 Edition), SA-105
Date Issued: March 20, 1990
File: BC90-224
Question: May forged SA-105 blind flanges complying with ANSI B16.5 in pressure Classes 150 through 600 be utilized as heat exchanger tubesheets for Section VIII, Division 1 construction provided that both flange and tubesheet calculations are performed to verify that the thickness and bolting meet the requirement of the Code?
Reply: No. (See para. 1.1 of SA-105 for scope limitation.)

We shall respect intended use of the material