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

Record type: Article

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.

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Citation

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.

More information

Published date: 2005
Keywords: critical velocity, electrochemical noise, hydrodynamics, pipe fl ow, pitting, stainless steel
Organisations: Engineering Sciences

Identifiers

Local EPrints ID: 23341
URI: http://eprints.soton.ac.uk/id/eprint/23341
PURE UUID: 5f84ed51-baa7-4e0d-b83b-e7db2a7dc6f8
ORCID for J.A. Wharton: ORCID iD orcid.org/0000-0002-3439-017X
ORCID for R.J.K. Wood: ORCID iD orcid.org/0000-0003-0681-9239

Catalogue record

Date deposited: 12 Feb 2007
Last modified: 17 Jul 2017 16:17

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