RU2001107618A - METHOD FOR THERMAL TREATMENT OF HIGH-CHROMED INSTRUMENTAL STEEL FOR SECOND HARDNESS - Google Patents

METHOD FOR THERMAL TREATMENT OF HIGH-CHROMED INSTRUMENTAL STEEL FOR SECOND HARDNESS

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Publication number
RU2001107618A
RU2001107618A RU2001107618/02A RU2001107618A RU2001107618A RU 2001107618 A RU2001107618 A RU 2001107618A RU 2001107618/02 A RU2001107618/02 A RU 2001107618/02A RU 2001107618 A RU2001107618 A RU 2001107618A RU 2001107618 A RU2001107618 A RU 2001107618A
Authority
RU
Russia
Prior art keywords
hardness
chromed
thermal treatment
steel
instrumental
Prior art date
Application number
RU2001107618/02A
Other languages
Russian (ru)
Other versions
RU2200201C2 (en
Inventor
Геннадий Андреевич Околович
Алексей Трофимович Евтушенко
Сергей Анатольевич Охрименко
Анна Сергеевна Семенчина
Original Assignee
Алтайский государственный технический университет им. И.И. Ползунова
Filing date
Publication date
Application filed by Алтайский государственный технический университет им. И.И. Ползунова filed Critical Алтайский государственный технический университет им. И.И. Ползунова
Priority to RU2001107618A priority Critical patent/RU2200201C2/en
Priority claimed from RU2001107618A external-priority patent/RU2200201C2/en
Publication of RU2001107618A publication Critical patent/RU2001107618A/en
Application granted granted Critical
Publication of RU2200201C2 publication Critical patent/RU2200201C2/en

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Claims (2)

1. Способ термической обработки высокохромистой инструментальной стали на вторичную твердость, включающий подогрев, закалку с охлаждением в масле и многократный отпуск по 1 часу, отличающийся тем, что закалку выполняют от температуры 1070-1080oС, затем проводят промежуточный отпуск при 400-420oС в течение часа, а многократный отпуск осуществляют три раза при 520-540oС.1. The method of heat treatment of high-chromium tool steel for secondary hardness, including heating, quenching with cooling in oil and multiple tempering for 1 hour, characterized in that the quenching is performed from a temperature of 1070-1080 o C, then conduct an intermediate tempering at 400-420 o C for an hour, and multiple leave is carried out three times at 520-540 o C. 2. Способ по п. 1, отличающийся тем, что последний отпуск совмещают с карбонитрацией или азотированием. 2. The method according to p. 1, characterized in that the last vacation is combined with carbonitration or nitriding.
RU2001107618A 2001-03-21 2001-03-21 Method for secondary hardness thermal treatment of high-chromium tool steel RU2200201C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001107618A RU2200201C2 (en) 2001-03-21 2001-03-21 Method for secondary hardness thermal treatment of high-chromium tool steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001107618A RU2200201C2 (en) 2001-03-21 2001-03-21 Method for secondary hardness thermal treatment of high-chromium tool steel

Publications (2)

Publication Number Publication Date
RU2001107618A true RU2001107618A (en) 2003-01-20
RU2200201C2 RU2200201C2 (en) 2003-03-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001107618A RU2200201C2 (en) 2001-03-21 2001-03-21 Method for secondary hardness thermal treatment of high-chromium tool steel

Country Status (1)

Country Link
RU (1) RU2200201C2 (en)

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