Welding and Properties of the New 21/4Cr and 3CrlMo1/4V Steels for Hydrocrackers
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Authors
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Thyssen Schweibtechnik, GMBH ,DE
G. Hauck -
Thyssen Welding ,USR. Fuchs
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Loire Industrie ,FRP. Bocquet
Abstract
The evolution of Cr-Mo steels for the petrochemical industry has been driven, in the last ten to twenty years, by increasing process severity (increase of temperature, increase of hydrogen pressure) setting, in turn, new requirements for the materials, and by the new possibilities of the steel making process.
