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2 468 108

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IPC

C22C30/00(2006-01-01)

C22C19/07(2006-01-01)

C22C38/00(2006-01-01)

(21) (22)

Application

2011143454/02, 2011-10-28

(24)

Start date

2011-10-28

(22)

Actual filing date

2011-10-28

(45)

Published

2012-11-27

(72)

Inventor

Rodionov Jurij L'VovichJudin Georgij ValentinovichKirillov Jurij GeorgievichShcherbedinskij Gennadij Vasil'EvichKorms Irina AntonovnaVolkov Ehduard VladilenovichKljachko Margarita Abramovna

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Chernoj Metallurgii Im. I.P. Bardina" Moskva) Fgup Tsniichermet Im. I.P. Bardina

CORROSION-RESISTANT HIGH-STRENGTH INVAR ALLOY Russian patent published in 2012 - IPC C22C30/00 C22C19/07 C22C38/00

Abstract RU 2468108 C1

FIELD: metallurgy.

SUBSTANCE: corrosion-resistant invar alloy is proposed, containing the following components, wt %: cobalt - 30.0÷60.0, chrome - 6.0÷12.0, nickel - 2.0÷20.0, vanadium - 0.05÷4.0, carbon - 0.1÷1.5, iron - balance. At the same time the ratio of total content of nickel and cobalt to chrome content is in the range of 5÷11.

EFFECT: increased size stability of alloys under lower temperatures, higher strength properties, with preservation of minimum value of temperature coefficient of linear expansion and high corrosion resistance under higher moisture and sea fog.

1 tbl, 8 ex

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RU 2 468 108 C1

Authors

Rodionov Jurij L'Vovich

Judin Georgij Valentinovich

Kirillov Jurij Georgievich

Shcherbedinskij Gennadij Vasil'Evich

Korms Irina Antonovna

Volkov Ehduard Vladilenovich

Kljachko Margarita Abramovna

Dates

2012-11-27—Published

2011-10-28—Filed