Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
Underground Corrosion of Grooving Corrosion-Resistant Electric Resistance Welded Steel Pipes
Fumio Kajiyama
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JOURNALS FREE ACCESS

1998 Volume 47 Issue 5 Pages 341-349

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Abstract

Recently, ERW (Electric Resistance Welded) steel pipes have been adopted in gas and oil fields, because these are economically more attractive. However, the corrosivity of ERW steel pipes in soils has not yet been examined. The objective of this paper is to ascertain the resistance to grooving corrosion at welds in four kinds of ERW steel pipes which are available on the Japanese market as of 1996. The burial testing of ERW in soils was performed, thereby the rates and form of corrosion were examined. The effects of metallurgical factors on resistance to grooving corrosion were also evaluated with regard to alloying elements and macro- and microstructure. The results indicated that all ERW steel pipes have resistance to grooving corrosion. There was no significant difference among the testing ERW steel pipes.

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© Japan Society of Corrosion Engineering
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