Mr Asif, Charpy test is required to find the metal behavior at cryogenic temperatures, since your operating temperature is higher than zero temperature, this impact test is not required.
With regards T.Mahendran,
QA/QC Engineer,
Tabouk - KSA,
--- On Sun, 11/27/11, ASIF <asifdme@gmail.com> wrote:
From: ASIF <asifdme@gmail.com>
Subject: [MW:13065] Charpy Impact Test requirement for P91
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Sunday, November 27, 2011, 4:44 AM
Dear Members! Project : Solar Power plant Service : Hight Temperature Steam Material : P91 Operating temperature range: 37 - 398 Degree Celsius Construction Code : ASME B31.1 Welding Code : ASME Sec IX Do we need to do 'Charpy Impact Test' for procedure qualification of P91 material? Regards ASIF +971-50 -- To post to this group, send email to materials-welding@googlegroups.comTo unsubscribe from this group, send email to materials-welding+ unsubscribe@googlegroups.comFor more options, visit this group's bolg at http://materials-welding.blogspot.com/The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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