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Corrosion testing of three highly alloyed stainless steels in hot chlorinated seawater; Korrosionsprovning av tre hoeglegerade rostfria staal i varmt klorerat havsvatten

Technical Report:

Abstract

Three Avesta Sheffield steels, 254 SMO, 654 SMO and SAF 2507, have been tested in seawater heated to 55 degrees C. In a first test the specimens were exposed in a water which was continuously chlorinated with 2 ppm. The corrosion conditions were very severe and crevice corrosion was observed in all three steels. Pitting corrosion occurred in the welds of 254 SMO and SAF 2507 but no in 654 SMO. In a second test the continuous chlorination was preceded by a period with intermittent chlorination. During this period the passivity of the steels was improved and after subsequent exposure to continuously chlorinated water the degree of corrosion was strongly reduced. Only 654 SMO was completely resistant to crevice corrosion in flange connections and for pitting corrosion in girth welded pipes are discussed. 9 refs, 27 figs, 7 tabs
Authors:
Wallen, B [1] 
  1. Avesta Sheffield AB, Avesta (Sweden)
Publication Date:
Dec 01, 1994
Product Type:
Technical Report
Report Number:
SVF-522
Reference Number:
SCA: 360105; PA: SWD-95:007030; EDB-95:029401; SN: 95001320517
Resource Relation:
Other Information: PBD: Dec 1994
Subject:
36 MATERIALS SCIENCE; HIGH ALLOY STEELS; CORROSION RESISTANCE; MATERIALS TESTING; STAINLESS STEELS; SEAWATER; HOT WATER; TEMPERATURE RANGE 0273-0400 K; CREVICE CORROSION; PITTING CORROSION; PASSIVITY; CHLORINATION; WELDED JOINTS; AUSTENITIC STEELS; EXPERIMENTAL DATA; BENCH-SCALE EXPERIMENTS; 360105; CORROSION AND EROSION
OSTI ID:
10114465
Research Organizations:
Stiftelsen foer Vaermeteknisk Forskning, Stockholm (Sweden)
Country of Origin:
Sweden
Language:
Swedish
Other Identifying Numbers:
Journal ID: ISSN 0282-3772; Other: ON: DE95737675; TRN: SE9507030
Availability:
OSTI; NTIS
Submitting Site:
SWD
Size:
34 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Wallen, B. Corrosion testing of three highly alloyed stainless steels in hot chlorinated seawater; Korrosionsprovning av tre hoeglegerade rostfria staal i varmt klorerat havsvatten. Sweden: N. p., 1994. Web.
Wallen, B. Corrosion testing of three highly alloyed stainless steels in hot chlorinated seawater; Korrosionsprovning av tre hoeglegerade rostfria staal i varmt klorerat havsvatten. Sweden.
Wallen, B. 1994. "Corrosion testing of three highly alloyed stainless steels in hot chlorinated seawater; Korrosionsprovning av tre hoeglegerade rostfria staal i varmt klorerat havsvatten." Sweden.
@misc{etde_10114465,
title = {Corrosion testing of three highly alloyed stainless steels in hot chlorinated seawater; Korrosionsprovning av tre hoeglegerade rostfria staal i varmt klorerat havsvatten}
author = {Wallen, B}
abstractNote = {Three Avesta Sheffield steels, 254 SMO, 654 SMO and SAF 2507, have been tested in seawater heated to 55 degrees C. In a first test the specimens were exposed in a water which was continuously chlorinated with 2 ppm. The corrosion conditions were very severe and crevice corrosion was observed in all three steels. Pitting corrosion occurred in the welds of 254 SMO and SAF 2507 but no in 654 SMO. In a second test the continuous chlorination was preceded by a period with intermittent chlorination. During this period the passivity of the steels was improved and after subsequent exposure to continuously chlorinated water the degree of corrosion was strongly reduced. Only 654 SMO was completely resistant to crevice corrosion in flange connections and for pitting corrosion in girth welded pipes are discussed. 9 refs, 27 figs, 7 tabs}
place = {Sweden}
year = {1994}
month = {Dec}
}