It is difficult for XRF-based PMI analyzers to detect low atomic weight elements (in your case Ti). Please check from product specification the detection range of your analyzer.
Analyzer will only compare the detectable elements and decide on their %ages.
Regards,
--------------------------------------------------------------------------
Muhammad Nasir Abbas
Inspection Engineer, RELIABILITY & PLANT SUPPORT DEPARTMENT
Al-Jubail Fertilizer Company
A SABIC Affiliate
P.O. Box 10046
Jubail 31961
Saudi Arabia
T +966 (3) 340 6475
F +966 (3) 340 6092
E abbasmn@albayroni.sabic.com
-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of hrishikm07@gmail.com
Sent: Tuesday, May 04, 2010 1:43 AM
To: materials-welding@googlegroups.com
Subject: [MW:5035] Absence of Ti% in PMI check
I am using NITON make X ray type alloy analyzer. In case of some of the A312 TP 321 pipes, it doesn't show the Ti% at all in spite of repeated checks. But it confirms the grade as SS 321. What could have gone wrong?
Hrishi
Sent on my BlackBerryR from Vodafone Essar
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