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2 620 233

(13)

(51)

IPC

C22C38/14(2006-01-01)

(21) (22)

Application

2015154935, 2015-12-21

(24)

Start date

2015-12-21

(22)

Actual filing date

2015-12-21

(45)

Published

2017-05-23

(72)

Inventor

Sobachkina Larisa DzhumaevnaButygin Viktor BorisovichOkolovich Gennadij AndreevichDemidov Aleksandr Stanislavovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Tekhnicheskij Universitet Im. I.I. Polzunova"

TOOL STEEL WITH INTERMETALLY HARDENING Russian patent published in 2017 - IPC C22C38/14

Abstract RU 2620233 C1

FIELD: metallurgy.

SUBSTANCE: steel contains carbon, tungsten, molybdenum, cobalt, vanadium, niobium, silicon, titanium, zirconium and nitrogen and iron at the following component ratio, wt %: carbon 0.09-0.14; tungsten 3,5-4,5; molybdenum 8-9; cobalt 17-18; vanadium 0.1-0.3; niobium 0.2-0.3; silicon 0.17-0.34; titanium 1,2-1,4; zirconium 0.05-0.09; nitrogen 0.03-0.07; iron - the rest.

EFFECT: strength, toughness, heat resistance and service durability of tool steel are increased.

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RU 2 620 233 C1

Authors

Sobachkina Larisa Dzhumaevna

Butygin Viktor Borisovich

Okolovich Gennadij Andreevich

Demidov Aleksandr Stanislavovich

Dates

2017-05-23—Published

2015-12-21—Filed