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2 022 738

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C1

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IPC

(21) (22)

Application

4924538/08, 1991-04-03

(22)

Actual filing date

1991-04-03

(45)

Published

1994-11-15

(72)

Inventor

Karzov G.P.Zhuravlev Ju.M.Filimonov G.N.Tsukanov V.V.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Konstruktsionnykh Materialov

HETEROGENEOUS STEEL WELDING METHOD Russian patent published in 1994 - IPC

Abstract RU 2022738 C1

FIELD: manufacturing of large- sized products from high-strength difficult-to-weld steels in transport and power engineering, ship-building, heat-power engineering, defence equipment, in particular, turbine rotors, atomic reactor bodies. SUBSTANCE: method involves depositing a layer of low-alloy steel by welding onto workpieces preliminarily subjected to thermal treatment; providing subsequent thermal treatment of workpieces for a predetermined class of strength; subjecting edges to machining, with arrangement of new lines of fusion being taken into account during subsequent welding in preliminarily welded-on layer; welding workpieces and providing tempering of welded connection. EFFECT: high quality of welding and enhanced reliability in operation. 2 cl, 4 tbl

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RU 2 022 738 C1

Authors

Karzov G.P.

Zhuravlev Ju.M.

Filimonov G.N.

Tsukanov V.V.

Dates

1994-11-15—Published

1991-04-03—Filed

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