METHOD FOR PREPARING STEEL STRIP FOR MAKING ELECTRICALLY WELDED TUBES WITH CORROSION-PROOF COATING Russian patent published in 2003 - IPC

Abstract RU 2214877 C1

FIELD: metallurgy, possibly manufacture of electrically welded tubes with corrosion proof coating. SUBSTANCE: method comprises steps of shot blasting for preparing surface of steel strip; applying aluminum gasothermic coating; then applying layer of gasothermic coating of copper or stainless steel; working coating without plastic deformation of basic metal; providing thickness of copper or stainless steel layer no more than thickness of aluminum layer; performing heat treatment at temperature 550 - 600 C. EFFECT: enhanced degree of protection against corrosion and consumers' properties of tube. 2 cl, 4 ex

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RU 2 214 877 C1

Authors

Radjuk A.G.

Titljanov A.E.

Balagushkin M.S.

Dates

2003-10-27—Published

2002-09-26—Filed