UA109060C2 - METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL - Google Patents

METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL

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Publication number
UA109060C2
UA109060C2 UAA201315048A UAA201315048A UA109060C2 UA 109060 C2 UA109060 C2 UA 109060C2 UA A201315048 A UAA201315048 A UA A201315048A UA A201315048 A UAA201315048 A UA A201315048A UA 109060 C2 UA109060 C2 UA 109060C2
Authority
UA
Ukraine
Prior art keywords
tool
medium
tempering
thermal treatment
steel
Prior art date
Application number
UAA201315048A
Other languages
Ukrainian (uk)
Inventor
Сергей Владимирович Бобырь
Original Assignee
Институт Черной Металлургии Нан Украины
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт Черной Металлургии Нан Украины filed Critical Институт Черной Металлургии Нан Украины
Priority to UAA201315048A priority Critical patent/UA109060C2/en
Publication of UA109060C2 publication Critical patent/UA109060C2/en

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Abstract

Винахід належить до галузі чорної металургії, а саме - до способу термічної обробки інструменту з середньолегованої сталі. Спосіб полягає у попередньому підігріванні, подальшому нагріванні до температури гартування, витримці, гартуванні у рідкому гартівному середовищі, відпусканні, причому гартування проводять у рідкому гартівному середовищі до температури поверхні інструменту Мк - Мк - 50 °С, де Мк - температура закінчення перетворення аустеніту в мартенсит в сталі, з якої виготовлено інструмент, а після відпускання виконують охолодження інструменту у воді до закінчення її кипіння. Винахід забезпечує зменшення часу на термічну обробку та підвищення стійкості термообробленого сталевого інструменту.The invention relates to the field of ferrous metallurgy, namely to a method of heat treatment of a tool of alloy steel. The method consists in pre-heating, subsequent heating to the tempering temperature, holding, tempering in a liquid quenching medium, tempering, and the quenching is carried out in a liquid quenching medium to the surface temperature of the tool Mk - Mk - 50 ° C, where Mk - the temperature of the end of the transformation of the austen in steel from which the tool is made, and after release, the tool is cooled in water until its boiling is complete. EFFECT: invention reduces the time for heat treatment and increases the stability of the heat-treated steel tool.

UAA201315048A 2013-12-23 2013-12-23 METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL UA109060C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
UAA201315048A UA109060C2 (en) 2013-12-23 2013-12-23 METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
UAA201315048A UA109060C2 (en) 2013-12-23 2013-12-23 METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL

Publications (1)

Publication Number Publication Date
UA109060C2 true UA109060C2 (en) 2015-07-10

Family

ID=53717494

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201315048A UA109060C2 (en) 2013-12-23 2013-12-23 METHOD OF THERMAL TREATMENT OF MEDIUM-ALLOYED STEEL

Country Status (1)

Country Link
UA (1) UA109060C2 (en)

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