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The effect of sulphur content in hydrogen induced cracking of steel weldment

โœ Scribed by E. Betz; H. K. Leung

Publisher
Springer Netherlands
Year
1980
Tongue
English
Weight
390 KB
Volume
16
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

This paper describes a numerical analysis which relates the sulphur content of structural steel and hydrogen induced cracking in welded-joints. Transient hydrogen concentration and hydrostatic pressure at the joint were calculated based on a mathematical model.

The study indicates that, to reduce the possibility of cracking, both hydrogen and sulphur contents should preferrably be kept minimal. If considerably high hydrogen input of electrodes (greater than 15 cc/100 gm dep. metal) is unavoidable, then materials with sulphur content less than 0.010% should not be used.

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