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2 514 899

(13)

(51)

IPC

C21D6/00(2006-01-01)

C22F1/11(2006-01-01)

C22C27/06(2006-01-01)

C22C38/18(2006-01-01)

C22C19/05(2006-01-01)

(21) (22)

Application

2013103889/02, 2013-01-30

(24)

Start date

2013-01-30

(22)

Actual filing date

2013-01-30

(45)

Published

2014-05-10

(72)

Inventor

Adaskin Anatolij MatveevichButrim Viktor NikolaevichKashirtsev Valentin ValentinovichKashirtsev Valentin NikolaevichSapronov Il'Ja Jur'Evich

(73)

Holder

Adaskin Anatolij MatveevichButrim Viktor NikolaevichKashirtsev Valentin ValentinovichKashirtsev Valentin NikolaevichSapronov Il'Ja Jur'Evich

THERMAL TREATMENT OF HEATPROOF AND REFRACTORY ALLOY "Х65НВФТ" Russian patent published in 2014 - IPC C21D6/00 C22F1/11 C22C27/06 C22C38/18 C22C19/05

Abstract RU 2514899 C1

FIELD: metallurgy.

SUBSTANCE: hardened billets of chromium-based alloy "Х65НВФТ" is subjected to softening thermal treatment. Said treatment comprises annealing at 900°C with isothermal curing for 16 hours and slow cooling at the rate of 30-50°C/h after isothermal treatment to 650-550°C and then, cooling in air.

EFFECT: higher hardness, stable properties at machining.

1 tbl, 1 dwg, 1 ex

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RU 2 514 899 C1

Authors

Adaskin Anatolij Matveevich

Butrim Viktor Nikolaevich

Kashirtsev Valentin Valentinovich

Kashirtsev Valentin Nikolaevich

Sapronov Il'Ja Jur'Evich

Dates

2014-05-10—Published

2013-01-30—Filed