Flow corrosion behaviour of austenitic stainless steels UNS S30403 and UNS S31603


Wharton, J.A. and Wood, R.J.K. (2005) Flow corrosion behaviour of austenitic stainless steels UNS S30403 and UNS S31603 Corrosion, 61, pp. 792-806.

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Description/Abstract

Metastable pitting behavior for two grades of austenitic stainless steels, Type 304L (UNS S30403) and Type 316L (UNS S31603), has been investigated for a range of controlled hydrodynamic conditions: static, laminar, and turbulent (Reynolds numbers of 1,000, 2,000, 3,000, 10,000, 50,000, and 75,000). Metastable pitting was evident under all fl ow regimes. Stable pit growth was most evident for laminar fl ow conditions immediately before the transition to turbulent fl ow and during the approach to the so-called “critical velocity” (~1.5 m/s) at Reynolds numbers of approximately 2,000 and 50,000, respectively. The corrosion behavior of the two austenitic stainless steels has been compared with a superduplex stainless steel, UNS S32760, exposed to the same hydrodynamic conditions.

Item Type: Article
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Keywords: critical velocity, electrochemical noise, hydrodynamics, pipe fl ow, pitting, stainless steel
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ePrint ID: 23341
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Date Event
2005Published
Date Deposited: 12 Feb 2007
Last Modified: 16 Apr 2017 22:45
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/23341

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