RU96102635A - METHOD OF OBTAINING CASTINGS FROM WRONG STEEL - Google Patents

METHOD OF OBTAINING CASTINGS FROM WRONG STEEL

Info

Publication number
RU96102635A
RU96102635A RU96102635/02A RU96102635A RU96102635A RU 96102635 A RU96102635 A RU 96102635A RU 96102635/02 A RU96102635/02 A RU 96102635/02A RU 96102635 A RU96102635 A RU 96102635A RU 96102635 A RU96102635 A RU 96102635A
Authority
RU
Russia
Prior art keywords
steel
casting
heat treatment
temperature
air cooling
Prior art date
Application number
RU96102635/02A
Other languages
Russian (ru)
Other versions
RU2105821C1 (en
Inventor
И.К. Кульбовский
Ю.В. Игнатенко
В.И. Медведев
Г.И. Кульбовский
Original Assignee
И.К. Кульбовский
Filing date
Publication date
Application filed by И.К. Кульбовский filed Critical И.К. Кульбовский
Priority to RU96102635A priority Critical patent/RU2105821C1/en
Priority claimed from RU96102635A external-priority patent/RU2105821C1/en
Application granted granted Critical
Publication of RU2105821C1 publication Critical patent/RU2105821C1/en
Publication of RU96102635A publication Critical patent/RU96102635A/en

Links

Claims (1)

Способ получения отливок из износостойкой стали, включающий выплавку стали, получение из нее отливок, их очистку, обрубку и термообработку, отличающийся тем, что отливки подвергают термообработке двойной нормализации, заключающейся в первоначальном нагреве их до температуры 920 - 930oC и выдержке при ней 3 - 3,5 ч с последующим охлаждением на воздухе до 200oC, а затем в повторном нагреве до температуры 870 - 880oC и выдержке при ней 2,5 - 3 ч с последующим охлаждением на воздухе до 20oС, при этом используют сталь, содержащую, мас.%:
Углерод - 0,20 - 0,40
Марганец - 0,90 - 1,50
Кремний - 0,17 - 0,40
Хром - 1,20 - 1,80
Никель - 0,30 - 0,60
Медь - 0,20 - 0,40
Ванадий - 0,15 - 0,30
Бор - 0,001 - 0,01
Алюминий - 0,02 - 0,06
Железо - ОстальноеиThe method of producing castings from wear-resistant steel, including steel smelting, casting from it, their cleaning, chipping and heat treatment, characterized in that the casting is subjected to heat treatment double normalization, consisting in the initial heating to a temperature of 920 - 930 o C and soaking with it 3 - 3.5 hours followed by air cooling to 200 o C, and then reheating to a temperature of 870 - 880 o C and holding it for 2.5 - 3 hours, followed by air cooling to 20 o C, using steel containing, in wt.%:
Carbon - 0.20 - 0.40
Manganese - 0.90 - 1.50
Silicon - 0.17 - 0.40
Chrome - 1.20 - 1.80
Nickel - 0.30 - 0.60
Copper - 0.20 - 0.40
Vanadium - 0.15 - 0.30
Boron - 0.001 - 0.01
Aluminum - 0.02 - 0.06
Iron - Rest
RU96102635A 1996-02-13 1996-02-13 Method for production of ingots from wear-resistant steel RU2105821C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96102635A RU2105821C1 (en) 1996-02-13 1996-02-13 Method for production of ingots from wear-resistant steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96102635A RU2105821C1 (en) 1996-02-13 1996-02-13 Method for production of ingots from wear-resistant steel

Publications (2)

Publication Number Publication Date
RU2105821C1 RU2105821C1 (en) 1998-02-27
RU96102635A true RU96102635A (en) 1998-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96102635A RU2105821C1 (en) 1996-02-13 1996-02-13 Method for production of ingots from wear-resistant steel

Country Status (1)

Country Link
RU (1) RU2105821C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100447257C (en) * 2006-06-19 2008-12-31 万向钱潮股份有限公司 Technique of normalizing heat treatment of number 35 steel
RU2526107C1 (en) * 2013-04-09 2014-08-20 Открытое акционерное общество "Конструкторское бюро приборостроения им.академика А.Г.Шипунова" Thermal treatment of casts from rustproof martensite steel
RU2598021C1 (en) * 2015-06-10 2016-09-20 Закрытое акционерное общество "Литаформ", ЗАО "Литаформ" Method of thermal treatment of cast products from low-carbon alloyed steels, device for implementing the method of heat treatment

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