RU2002106936A - Method for heat treatment of welded joints from maraging steels - Google Patents

Method for heat treatment of welded joints from maraging steels

Info

Publication number
RU2002106936A
RU2002106936A RU2002106936/02A RU2002106936A RU2002106936A RU 2002106936 A RU2002106936 A RU 2002106936A RU 2002106936/02 A RU2002106936/02 A RU 2002106936/02A RU 2002106936 A RU2002106936 A RU 2002106936A RU 2002106936 A RU2002106936 A RU 2002106936A
Authority
RU
Russia
Prior art keywords
heat treatment
cool
room temperature
welded joints
maraging steels
Prior art date
Application number
RU2002106936/02A
Other languages
Russian (ru)
Other versions
RU2241047C2 (en
Inventor
Леонид Владимирович Ляшенко
Леонид Иванович Паршуков
Владимир Николаевич Смирнов
Фаат Залалутдинович Гильмутдинов
Original Assignee
Открытое акционерное общество "Научно-исследовательский технологический институт "Прогресс"
Filing date
Publication date
Application filed by Открытое акционерное общество "Научно-исследовательский технологический институт "Прогресс" filed Critical Открытое акционерное общество "Научно-исследовательский технологический институт "Прогресс"
Priority to RU2002106936/02A priority Critical patent/RU2241047C2/en
Priority claimed from RU2002106936/02A external-priority patent/RU2241047C2/en
Publication of RU2002106936A publication Critical patent/RU2002106936A/en
Application granted granted Critical
Publication of RU2241047C2 publication Critical patent/RU2241047C2/en

Links

Claims (2)

1. Способ термической обработки сварных соединений из мартенситно-стареющих сталей, отличающийся тем что сварку соединения из состаренного материала - стали типа Н18К8М5Т, легированной алюминием, осуществляют фокусированным электронным лучом со скоростью 25±2 мм/сек, дают изделию остыть в вакууме до комнатной температуры, затем обрабатывают жидким азотом, осуществляют изотермический отжиг при температуре 480°±5°С в течение 3,5±0,5 мин и вновь дают остыть до комнатной температуры.1. The method of heat treatment of welded joints from maraging steels, characterized in that the welding of the joint from aged material - steel type N18K8M5T, alloyed with aluminum, is carried out by focused electron beam at a speed of 25 ± 2 mm / s, allow the product to cool in vacuum to room temperature then treated with liquid nitrogen, isothermal annealing is carried out at a temperature of 480 ° ± 5 ° C for 3.5 ± 0.5 minutes and again allowed to cool to room temperature. 2. Способ по п.1, отличающийся тем, что после обработки изделия жидким азотом осуществляют локальный нагрев сварного соединения расфокусированным электронным лучом до 480±5°С, дают остыть до комнатной температуры, а затем последний термический цикл повторяют многократно, причем общее время нахождения сварного соединения при температуре 480±5°С не менее 3,5±0,5 мин.2. The method according to claim 1, characterized in that after processing the product with liquid nitrogen, the welded joint is heated locally with a defocused electron beam to 480 ± 5 ° C, allowed to cool to room temperature, and then the last thermal cycle is repeated many times, with the total residence time welded joint at a temperature of 480 ± 5 ° C for at least 3.5 ± 0.5 min.
RU2002106936/02A 2002-03-18 2002-03-18 Method of thermal treatment of welded connections from maraging steels RU2241047C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002106936/02A RU2241047C2 (en) 2002-03-18 2002-03-18 Method of thermal treatment of welded connections from maraging steels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002106936/02A RU2241047C2 (en) 2002-03-18 2002-03-18 Method of thermal treatment of welded connections from maraging steels

Publications (2)

Publication Number Publication Date
RU2002106936A true RU2002106936A (en) 2003-09-20
RU2241047C2 RU2241047C2 (en) 2004-11-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002106936/02A RU2241047C2 (en) 2002-03-18 2002-03-18 Method of thermal treatment of welded connections from maraging steels

Country Status (1)

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RU (1) RU2241047C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT512939B1 (en) * 2012-06-26 2013-12-15 Karl H Dr Ing Schroeder Process for making a composite roll and composite roll made therewith
CN104985335A (en) * 2015-06-16 2015-10-21 黄小莲 Method of reducing thick plate welding residual stress

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