RU2650951C1 - Steel - Google Patents

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Publication number
RU2650951C1
RU2650951C1 RU2017141269A RU2017141269A RU2650951C1 RU 2650951 C1 RU2650951 C1 RU 2650951C1 RU 2017141269 A RU2017141269 A RU 2017141269A RU 2017141269 A RU2017141269 A RU 2017141269A RU 2650951 C1 RU2650951 C1 RU 2650951C1
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RU
Russia
Prior art keywords
steel
manganese
cobalt
boron
iron
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RU2017141269A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
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Юлия Алексеевна Щепочкина
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Priority to RU2017141269A priority Critical patent/RU2650951C1/en
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Publication of RU2650951C1 publication Critical patent/RU2650951C1/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
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Abstract

FIELD: metallurgy.
SUBSTANCE: invention relates to the field of ferrous metallurgy, namely to the composition of steel used for the reconditioning of machine components by the surfacing method. Steel contains, mass%: carbon 0.36–0.4; silicon 5.0–5.5; manganese 2.5–2.9; silver 2.2–2.5; cobalt 5.0–6.0; boron 0.05–0.1; erbium 0.5–0.75; rest is iron.
EFFECT: increase in hardness of steel is achieved.
1 cl, 1 tbl

Description

Изобретение относится к области черной металлургии, в частности к составам стали, которая может быть использована для восстановления деталей машин методом наплавки.The invention relates to the field of ferrous metallurgy, in particular to compositions of steel, which can be used to restore machine parts by surfacing.

Известна сталь для восстановления деталей машин методом наплавки, содержащая, мас. %: углерод 0,36-0,4; кремний 5,1-5,5; марганец 2,5-2,9; железо - остальное [1].Known steel for the restoration of machine parts by surfacing, containing, by weight. %: carbon 0.36-0.4; silicon 5.1-5.5; manganese 2.5-2.9; iron - the rest [1].

Задачей изобретения является повышение твердости стали.The objective of the invention is to increase the hardness of steel.

Технический результат достигается тем, что сталь, включающая углерод, кремний, марганец, железо, дополнительно содержит серебро, кобальт, бор, эрбий, при следующем соотношении компонентов, мас. %: углерод 0,36-0,4; кремний 5,0-5,5; марганец 2,5-2,9; серебро 2,2-2,5; кобальт 5,0-6,0; бор 0,05-0,1; эрбий 0,5-0,75; железо - остальное.The technical result is achieved in that the steel, including carbon, silicon, manganese, iron, additionally contains silver, cobalt, boron, erbium, in the following ratio of components, wt. %: carbon 0.36-0.4; silicon 5.0-5.5; manganese 2.5-2.9; silver 2.2-2.5; cobalt 5.0-6.0; boron 0.05-0.1; Erbium 0.5-0.75; iron is the rest.

В таблице приведены составы стали.The table shows the compositions of steel.

Figure 00000001
Figure 00000001

Марганец, серебро, кобальт, бор повышают твердость стали. Серебро улучшает металлическую основу сплава.Manganese, silver, cobalt, boron increase the hardness of steel. Silver improves the metal base of the alloy.

Сталь может быть выплавлена в электропечах.Steel can be smelted in electric furnaces.

Источник информацииThe source of information

1. SU 1548248, 1990.1. SU 1548248, 1990.

Claims (1)

Сталь, включающая углерод, кремний, марганец и железо, отличающаяся тем, что она дополнительно содержит серебро, кобальт, бор и эрбий, при следующем соотношении компонентов, мас.%: углерод 0,36-0,4; кремний 5,0-5,5; марганец 2,5-2,9; серебро 2,2-2,5; кобальт 5,0-6,0; бор 0,05-0,1; эрбий 0,5-0,75; железо - остальное.Steel, including carbon, silicon, manganese and iron, characterized in that it additionally contains silver, cobalt, boron and erbium, in the following ratio of components, wt.%: Carbon 0.36-0.4; silicon 5.0-5.5; manganese 2.5-2.9; silver 2.2-2.5; cobalt 5.0-6.0; boron 0.05-0.1; Erbium 0.5-0.75; iron is the rest.
RU2017141269A 2017-11-27 2017-11-27 Steel RU2650951C1 (en)

Priority Applications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1992905A (en) * 1934-07-17 1935-02-26 Wills Child Harold Alloy steel
US3252840A (en) * 1961-09-21 1966-05-24 Republic Steel Corp Super strength steel alloy composition and product and process of preparing it
SU1548248A1 (en) * 1988-07-19 1990-03-07 Запорожский машиностроительный институт им.В.Я.Чубаря Steel
RU2557114C2 (en) * 2011-03-09 2015-07-20 Ниппон Стил Энд Сумитомо Метал Корпорейшн Steel plate to be used in hot forming, method for its obtaining and method for obtaining high-strength part
RU2585889C2 (en) * 2011-09-30 2016-06-10 Ниппон Стил Энд Сумитомо Метал Корпорейшн High-strength hot-dip galvanised steel sheet having excellent resistance to delayed fracture, and method for production thereof
US20160348222A1 (en) * 2014-01-27 2016-12-01 Rovalma, S.A. Centrifugal atomization of iron-based alloys

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1992905A (en) * 1934-07-17 1935-02-26 Wills Child Harold Alloy steel
US3252840A (en) * 1961-09-21 1966-05-24 Republic Steel Corp Super strength steel alloy composition and product and process of preparing it
SU1548248A1 (en) * 1988-07-19 1990-03-07 Запорожский машиностроительный институт им.В.Я.Чубаря Steel
RU2557114C2 (en) * 2011-03-09 2015-07-20 Ниппон Стил Энд Сумитомо Метал Корпорейшн Steel plate to be used in hot forming, method for its obtaining and method for obtaining high-strength part
RU2585889C2 (en) * 2011-09-30 2016-06-10 Ниппон Стил Энд Сумитомо Метал Корпорейшн High-strength hot-dip galvanised steel sheet having excellent resistance to delayed fracture, and method for production thereof
US20160348222A1 (en) * 2014-01-27 2016-12-01 Rovalma, S.A. Centrifugal atomization of iron-based alloys

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