NDLI: Effect of Service Exposure on Material Properties of Austenitic Boiler Steels

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Masuyama, Fujimitsu Peter, R. Boyles
Copyright Year	2007
Abstract	A long-term field exposure test of austenitic stainless steels developed through the early 1980s was conducted at Eddystone Power Station Unit No.1, which has highest steam parameters worldwide to date. The experimental lengths include TP347 chromized, Tempaloy A-1, TP347HFG and 17-14CuMo/310S coextruded, and were service-exposed in the final superheater operated at steam conditions of 1170°F (632°C) and 4550 psig (31MPa) for about ten years. The test lengths were removed from the final superheater at operating duration points of about 20,000 and 50,000 hours. In this paper the post-service creep rupture properties and changes in mechanical properties are presented and discussed through comparative study with unused materials. Steam oxidation scale growth behavior of the test steels during high-temperature superheater service is also reported.
Sponsorship	Pressure Vessels and Piping Division
Starting Page	617
Ending Page	622
Page Count	6
File Format	PDF
ISBN	0791842878
DOI	10.1115/CREEP2007-26470
e-ISBN	0791838048
Volume Number	Volume 9: Eighth International Conference on Creep and Fatigue at Elevated Temperatures
Conference Proceedings	ASME 2007 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2007-07-22
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Creep Stainless steel Materials properties Steam Rupture Mechanical properties Boilers Eddystone Oxidation High temperature Steel Superheaters
Content Type	Text
Resource Type	Article

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