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2 254 973

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IPC

(21) (22)

Application

2003118993/02, 2003-06-24

(24)

Start date

2003-06-24

(22)

Actual filing date

2003-06-24

(45)

Published

2005-06-27

(72)

Inventor

Cheprasov D.P.Kravchenko S.V.Petrov V.P.Anan'In A.A.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet Im. I.I. Polzunova"

WELDING ELECTRODE COATING Russian patent published in 2005 - IPC

Abstract RU 2254973 C2

FIELD: manufacture of electrodes for welding carbon steels.

SUBSTANCE: coating includes next relation of components, mass. %: ilmenite concentrate, 37 -39; cellulose, 1.5 -2.0; wollastonite, 37 =39; ferrosilicomanganese, 15.0 - 16.6; magnesite, 5 -9. Coating provided lowered quantity of harmful impurities such as sulfur and phosphorus in surfaced metal.

EFFECT: enhanced welding properties, improved mechanical properties of electrode.

3 tbl

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RU 2 254 973 C2

Authors

Cheprasov D.P.

Kravchenko S.V.

Petrov V.P.

Anan'In A.A.

Dates

2005-06-27—Published

2003-06-24—Filed