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167 views
07:17 Jul-09-2008
Dick Gray
Creep damaged, weld samples

Does anyone have circumferential butt weld samples of Type 3 or 4 creep damaged, 2.25% chrome 1% molybdenum (2¼ Cr 1 Mo); 1% chrome ½ % molybdenum (1¼ Cr ½ Mo); or chrome molybdenum vanadium (½ Cr ½ Mo ¼ V) heavy wall pipe?

These materials used for the main steam and hot reheat lines in fossil power plants.

My objective is to establish the detection limits of damage using phased array ultrasonics.



 


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