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2 499 842

(13)

(51)

IPC

C21D6/00(2006-01-01)

C21D9/46(2006-01-01)

C22C38/40(2006-01-01)

(21) (22)

Application

2012141188/02, 2012-09-26

(24)

Start date

2012-09-26

(22)

Actual filing date

2012-09-26

(45)

Published

2013-11-27

(72)

Inventor

Sideleva Galina AleksandrovnaBozhko Galina PavlovnaGladkova Ljubov' DmitrievnaKudashov Oleg Georgievich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Kosmicheskij Nauchno-Proizvodstvennyj Tsentr Imeni M.V. Khrunicheva" Im. M.V. Khrunicheva")

SOFTENING HEAT TREATMENT METHOD OF PRODUCTS MADE FROM AUSTENITIC-MARTENSITIC STEEL OF 07X16H6 GRADE Russian patent published in 2013 - IPC C21D6/00 C21D9/46 C22C38/40

Abstract RU 2499842 C1

FIELD: metallurgy.

SUBSTANCE: method involves high-temperature heating of products and cooling in the air. Cooling in the air is performed to 100°C. Then, the product is placed in a furnace warmed-up to 90°C and is cooled together with the furnace at the speed of 6-7°C/min till room temperature.

EFFECT: obtaining equilibrium structure with improved deformability; avoiding cold hardening and cracks occurring at manufacture of products from steel 07X16H6.

5 dwg

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RU 2 499 842 C1

Authors

Sideleva Galina Aleksandrovna

Bozhko Galina Pavlovna

Gladkova Ljubov' Dmitrievna

Kudashov Oleg Georgievich

Dates

2013-11-27—Published

2012-09-26—Filed