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Does anyone have a way of differentiating typical stainless steel piping (ie: TP 304/TP316 austenitic stainless steel pipe) from hastelloy piping? For PSM inspections etc. we typically use a magnet to tell ferritic carbon steel from stainless steel and would like to know if there's a quick, field method of identifying hastelloy from SS. Any thoughts/help appreciated.
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Hast. Vs Ss Pipe Differentiation
Started by gpeters, Mar 14 2003 09:35 AM
2 replies to this topic
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#2
jimduncan
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Posted 15 March 2003 - 07:13 PM
I would suggest that you investigate a hand held XRF device. Oxford Instruments (not an endorsement by any means) has an instrument called the Horizon600: hand-held alloy sorter. The 600 will interrogate flat or curved surfaces. The website is: http://www.oxford-in...m/ANLPDP389.htm I would obtain one on lease, see if it indeed picks up differences.
#3
Guest_Guest_jom_*
Guest_Guest_jom_*
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Posted 22 May 2003 - 06:48 AM
QUOTE (gpeters @ Mar 14 2003, 09:35 AM)
Does anyone have a way of differentiating typical stainless steel piping (ie: TP 304/TP316 austenitic stainless steel pipe) from hastelloy piping? For PSM inspections etc. we typically use a magnet to tell ferritic carbon steel from stainless steel and would like to know if there's a quick, field method of identifying hastelloy from SS. Any thoughts/help appreciated.
Dear q,
Perhaps you're aware that the US Chemical Safety Board will soon be delivering its report into the chlorine release at Festus, Missouri.
The discharge hose used on a rail car full of chlorine fractured. It was stainless steel, when the correct material was Hastelloy. The Board seems to think that the company failed in not checking the material of the hose. They might make some comment on available means to differentiate the two materials.
John.
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