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2 235 628

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IPC

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Application

2003102525/02, 2003-01-27

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Start date

2003-01-27

(22)

Actual filing date

2003-01-27

(45)

Published

2004-09-10

(72)

Inventor

Zimin N.V.Ivanov V.N.Gurevich S.G.Budkin G.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Tokov Vysokoj Chastoty Im. V.P. Vologdina"

METHOD FOR MAKING WELDED ARTICLES OF LOW-CARBON, LOW-ALLOY AND PLAIN STEELS Russian patent published in 2004 - IPC

Abstract RU 2235628 C1

FIELD: manufacture of welded articles of low-carbon, low-alloy and plain steels.

SUBSTANCE: method comprises steps of HF - welding; cooling welded joint in air directly after welding until temperature in range (Ac1 + 25) - (Ac1-75) C; further heating it by 100- 200 C and finally cooling in air.

EFFECT: improved strength of welded joint almost equal to that of initial material, high ductility of joint due to elimination of flaws in material structure.

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RU 2 235 628 C1

Authors

Zimin N.V.

Ivanov V.N.

Gurevich S.G.

Budkin G.V.

Dates

2004-09-10—Published

2003-01-27—Filed