RU2012107495A - METHOD FOR PRODUCING AND THERMAL TREATMENT OF A HEAT EXCHANGER SHELL FROM AUSTENITIC STAINLESS STEEL - Google Patents
METHOD FOR PRODUCING AND THERMAL TREATMENT OF A HEAT EXCHANGER SHELL FROM AUSTENITIC STAINLESS STEEL Download PDFInfo
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- RU2012107495A RU2012107495A RU2012107495/02A RU2012107495A RU2012107495A RU 2012107495 A RU2012107495 A RU 2012107495A RU 2012107495/02 A RU2012107495/02 A RU 2012107495/02A RU 2012107495 A RU2012107495 A RU 2012107495A RU 2012107495 A RU2012107495 A RU 2012107495A
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- stainless steel
- heat exchanger
- austenitic stainless
- exchanger shell
- producing
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- Heat Treatment Of Steel (AREA)
Abstract
Способ изготовления и термической обработки оболочки теплообменника из аустенитной нержавеющей стали, включающий формообразование оболочки методом ротационного выдавливания, термическую обработку и последующую механическую обработку - фрезерование охлаждающих каналов, при этом в процессе ротационного выдавливания обеспечивают механический наклеп со степенью деформации 38,0% и 45,0%, а для улучшения обрабатываемости резанием проводят отжиг в интервале процесса первичной рекристаллизации при температуре 780-820°С в течение 30 мин.A method of manufacturing and heat treating a heat exchanger shell made of austenitic stainless steel, including forming a shell by rotational extrusion, heat treatment and subsequent machining - milling cooling channels, while in the process of rotational extrusion they provide mechanical hardening with a degree of deformation of 38.0% and 45.0 %, and to improve machinability by cutting, annealing is carried out in the interval of the primary recrystallization process at a temperature of 780-820 ° C for 30 min.
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RU2012107495/02A RU2503727C2 (en) | 2012-02-28 | 2012-02-28 | Method of making heat exchanger shell from austenite stainless steel |
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RU2012107495/02A RU2503727C2 (en) | 2012-02-28 | 2012-02-28 | Method of making heat exchanger shell from austenite stainless steel |
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RU2012107495A true RU2012107495A (en) | 2013-09-10 |
RU2503727C2 RU2503727C2 (en) | 2014-01-10 |
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RU2012107495/02A RU2503727C2 (en) | 2012-02-28 | 2012-02-28 | Method of making heat exchanger shell from austenite stainless steel |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2227765C1 (en) * | 2002-09-12 | 2004-04-27 | Открытое акционерное общество "Завод им. В.А.Дегтярева" | Method for making thin-wall cylindrical envelope from martensite ageing steels |
RU2365633C1 (en) * | 2008-06-24 | 2009-08-27 | Федеральное Государственное Унитарное Предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" (ФГУП "ЦНИИчермет им. И.П. Бардина") | Method of cryogenic-deformation processing of steel |
RU2394922C1 (en) * | 2009-10-23 | 2010-07-20 | Федеральное Государственное Унитарное Предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" (ФГУП "ЦНИИчермет им. И.П. Бардина") | Procedure for cryogen-deformative treatment of steel |
RU2426617C1 (en) * | 2010-03-18 | 2011-08-20 | Федеральное Государственное унитарное предприятие "Государственное научно-производственное предприятие "Сплав" | Method of producing thin-wall shells |
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Effective date: 20140301 |