RU2663950C1 - Alloy - Google Patents

Alloy Download PDF

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Publication number
RU2663950C1
RU2663950C1 RU2018100581A RU2018100581A RU2663950C1 RU 2663950 C1 RU2663950 C1 RU 2663950C1 RU 2018100581 A RU2018100581 A RU 2018100581A RU 2018100581 A RU2018100581 A RU 2018100581A RU 2663950 C1 RU2663950 C1 RU 2663950C1
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Russia
Prior art keywords
alloy
boron
niobium
iron
carbon
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RU2018100581A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
Original Assignee
Юлия Алексеевна Щепочкина
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Priority to RU2018100581A priority Critical patent/RU2663950C1/en
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Publication of RU2663950C1 publication Critical patent/RU2663950C1/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent

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

Abstract

FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy and concerns compositions of alloys, which can be used for making of parts of sand pumps, mills. Alloy includes, wt. %: carbon 5.0–5.6; chromium 50.0–54.0; niobium 0.7–1.3; boron 0.4–0.6; nitrogen 0.0004–0.0006; rest is iron.
EFFECT: alloy is characterized by high hardness.
1 cl, 1 tbl

Description

Изобретение относится к области металлургии и касается составов сплавов, которые могут быть использованы для изготовления деталей песчаных насосов, мельниц.The invention relates to the field of metallurgy and relates to alloy compositions that can be used for the manufacture of parts for sand pumps, mills.

Известен сплав, содержащий, мас. %: углерод более 4,0; хром 25,0-45,0; ниобий 0-5,0; бор 0-2,0; железо - остальное [1].Known alloy containing, by weight. %: carbon more than 4.0; chrome 25.0-45.0; niobium 0-5.0; boron 0-2.0; iron - the rest [1].

Задачей изобретения является повышение твердости сплава.The objective of the invention is to increase the hardness of the alloy.

Технический результат достигается тем, что сплав, включающий углерод, хром, ниобий, бор, железо, дополнительно включает азот, причем компоненты находятся при следующем соотношении, мас. %: углерод 5,0-5,6; хром 50,0-54,0; ниобий 0,7-1,3; бор 0,4-0,6; азот 0,0004-0,0006; железо - остальное.The technical result is achieved in that the alloy comprising carbon, chromium, niobium, boron, iron, further includes nitrogen, and the components are in the following ratio, wt. %: carbon 5.0-5.6; chrome 50.0-54.0; niobium 0.7-1.3; boron 0.4-0.6; nitrogen 0.0004-0.0006; iron is the rest.

В таблице приведены составы сплава.The table shows the alloy compositions.

Figure 00000001
Figure 00000001

Углерод и бор обеспечивают повышенную твердость сплава хрома и железа. Ниобий, введенный совместно с бором и азотом, также повышает твердость сплава.Carbon and boron provide increased hardness of the alloy of chromium and iron. Niobium, introduced together with boron and nitrogen, also increases the hardness of the alloy.

Источники информацииInformation sources

1. WO 84/04760 A, 1984.1. WO 84/04760 A, 1984.

Claims (1)

Сплав, включающий углерод, хром, ниобий, бор и железо, отличающийся тем, что он дополнительно включает азот, причем компоненты находятся при следующем соотношении, мас. %: углерод 5,0-5,6; хром 50,0-54,0; ниобий 0,7-1,3; бор 0,4-0,6; азот 0,0004-0,0006; железо - остальное.An alloy comprising carbon, chromium, niobium, boron and iron, characterized in that it further includes nitrogen, and the components are in the following ratio, wt. %: carbon 5.0-5.6; chrome 50.0-54.0; niobium 0.7-1.3; boron 0.4-0.6; nitrogen 0.0004-0.0006; iron is the rest.
RU2018100581A 2018-01-09 2018-01-09 Alloy RU2663950C1 (en)

Priority Applications (1)

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Publications (1)

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RU2663950C1 true RU2663950C1 (en) 2018-08-13

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834950A (en) * 1971-06-29 1974-09-10 M Feltz Ferrous alloys
US5803152A (en) * 1993-05-21 1998-09-08 Warman International Limited Microstructurally refined multiphase castings
WO2015175959A1 (en) * 2014-05-16 2015-11-19 Roman Radon Hypereutectic white iron alloys comprising chromium and nitrogen and articles made therefrom
US9580777B1 (en) * 2016-02-08 2017-02-28 Roman Radon Hypereutectic white iron alloys comprising chromium, boron and nitrogen and articles made therefrom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834950A (en) * 1971-06-29 1974-09-10 M Feltz Ferrous alloys
US5803152A (en) * 1993-05-21 1998-09-08 Warman International Limited Microstructurally refined multiphase castings
WO2015175959A1 (en) * 2014-05-16 2015-11-19 Roman Radon Hypereutectic white iron alloys comprising chromium and nitrogen and articles made therefrom
US9580777B1 (en) * 2016-02-08 2017-02-28 Roman Radon Hypereutectic white iron alloys comprising chromium, boron and nitrogen and articles made therefrom

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