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07260 Corrosion of Engineering Materials in Seawater, Freshwater and 3.5% NaCl Solution with Additions of Chlorine and Chlorite

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Laboratory tests of corrosion potentials of engineering materials under influence of additions of chlorine and chlorite were measured. Materials were an Al-alloy, 316L stainless steel, 6Mo stainless, 3 duplex stainless steels, CuNi, Ti & carbon steel.

Product Number: 51300-07260-SG

ISBN: 07260 2007 CP

Author: Torfinn Havn

Publication Date: 2007

Industry: Materials Selection and Design

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Sea water systems on many offshore platforms are treated with small amounts of chlorine to prevent marine growth inside piping and equipment. It is well known that small additions of chlorine increase the oxidation strength (corrosion potential) of Ti and stainless steels in sea water. Regarding Al, CuNi and carbon steel, it is difficult to find the effect of chlorine on these materials described in the literature. Therefore, during laboratory tests the corrosion potentials of engineering materials under influence of additions of chlorine and chlorite were measured. The investigated engineering materials were an Al-alloy, 316L stainless steel, 6Mo stainless steel, 3 grades of duplex stainless steels, CuNi, Ti and carbon steel. A systematic test program for these engineering materials was carried out with chlorine and chlorite rest levels of 0.5 ppm, 5 ppm, 50 ppm and 500 ppm.

Keywords: fresh water, seawater, 3.5% NaCl , engineering materials, chlorite, chlorine, electrochemical potentials.

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Keywords: fresh water, seawater, 3.5% NaCl , engineering materials, chlorite, chlorine, electrochemical potentials.

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2007 Conference Papers (563)
,
Conference Papers (10927)
,
Downloadable (7813)
,
seawater (65)
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fresh water (4)
,
3.5% nacl (1)
,
engineering materials (1)
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chlorite (1)
,
chlorine (1)
,
electrochemical potentials (1)

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07260 Corrosion of Engineering Materials in Seawater, Freshwater and 3.5% NaCl Solution with Additions of Chlorine and Chlorite

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07260 Corrosion of Engineering Materials in Seawater, Freshwater and 3.5% NaCl Solution with Additions of Chlorine and Chlorite

98708 EFFECT OF CHLORINE ON COMMON MATERIALS IN FRESH WATER

11351 The Corrosion of Superduplex Stainless Steel in Different Types of Seawater

00588 STAINLESS STEELS IN CHLORINE DIOXIDE ENVIRONMENTS - PREDICTING THE POSSIBILITY OF PITTING

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