SU536236A1 - The method of heat treatment of low-carbon electrical steel - Google Patents

The method of heat treatment of low-carbon electrical steel

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Publication number
SU536236A1
SU536236A1 SU2077374A SU2077374A SU536236A1 SU 536236 A1 SU536236 A1 SU 536236A1 SU 2077374 A SU2077374 A SU 2077374A SU 2077374 A SU2077374 A SU 2077374A SU 536236 A1 SU536236 A1 SU 536236A1
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SU
USSR - Soviet Union
Prior art keywords
heat treatment
low
electrical steel
stage
annealing
Prior art date
Application number
SU2077374A
Other languages
Russian (ru)
Inventor
Федор Иванович Зенченко
Борис Владимирович Молотилов
Леонард Владимирович Миронов
Валерий Петрович Барятинский
Николай Петрович Гребеник
Константин Федорович Лосев
Александр Маркович Цейтлин
Дмитрий Константинович Кузнецов
Лидия Спиридоновна Чернобровкина
Original Assignee
Уральский научно-исследовательский институт черных металлов
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.)
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Publication date
Application filed by Уральский научно-исследовательский институт черных металлов filed Critical Уральский научно-исследовательский институт черных металлов
Priority to SU2077374A priority Critical patent/SU536236A1/en
Application granted granted Critical
Publication of SU536236A1 publication Critical patent/SU536236A1/en

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  • Manufacturing Of Steel Electrode Plates (AREA)

Description

(54) СПОСОБ ТЕРМИЧЕСКОЙ ОБРАБОТКИ МАЛОУГЛЕРОДИСТОЙ ЭЛЕКТРОТЕХНИЧЕСКОЙ СТАЛИ(54) METHOD OF THERMAL TREATMENT OF LOW-CARBON ELECTROTECHNICAL STEEL

690°С - Jf- и 84O°C - %.-5 час Gnoсобствует получению следующих свойств: Коэрцитивна  сила0,46 э690 ° C - Jf- and 84O ° C -% .- 5 hours Gno promotes the following properties: Coercive force 0.46 Oe

Коэффициент старени  4,О % Термическа  обработка стали с 0,3% кремни  и 0,035% алюмини , толщиной листа 4 мм в восстановительной атмосфе по ступенчатому режиму при 7ОО°С 20 час и при - 25 час, способствует получению следующих свойств: Коэрцитивна  сила0,35 эAging coefficient 4, О% Thermal treatment of steel with 0.3% silicon and 0.035% aluminum, 4 mm sheet thickness in a reducing atmosphere in a stepped mode at 7OO ° C for 20 hours and at - 25 hours, contributes to the following properties: Coercive force0, 35 uh

Коэффициент старени  3,О %Aging coefficient 3, O%

Claims (2)

1. Способ термической обработки малоуглеродистой электротехнической стали, включающий двухступенчатый отжиг гор чекатаных рулонов в восстановительной атмосфере при температуре первой ступени бЭО-ТОО С, отличающийс  тем, что, с целью снижени  коэрцитивной силы и коэффициента старени , вторую ступень отжига провод т при 830-ЗОО С в течение 5-30 час.1. The method of heat treatment of low-carbon electrical steel, including two-stage annealing of hot rolled coils in a reducing atmosphere at the temperature of the first stage of BEE-TOO C, characterized in that, in order to reduce the coercive force and aging factor, the second stage of annealing is performed at 830 C for 5-30 hours. 2. Способ по п. 1, отличающийс  тем, что двухступенчатый отжиг провод т в восстановительной атмосфере , состо щей из 95% азота и 5% водорода2. The method according to claim 1, characterized in that the two-stage annealing is carried out in a reducing atmosphere consisting of 95% nitrogen and 5% hydrogen Источники информации, прин тые во внимание при экспертизе:Sources of information taken into account in the examination: 1. Труды НТО ЧМ, вьш. 23, М, Металлургиздат , I960, стр. 374-378.1. Proceedings of the NTO World Cup, the top. 23, M, Metallurgizdat, I960, pp. 374-378. 2.П.-тент США, № 3287184, кл. 148-113., 22.11.66.2. P.-tent of the USA, No. 3287184, cl. 148-113., 22.11.66.
SU2077374A 1974-11-22 1974-11-22 The method of heat treatment of low-carbon electrical steel SU536236A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2077374A SU536236A1 (en) 1974-11-22 1974-11-22 The method of heat treatment of low-carbon electrical steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2077374A SU536236A1 (en) 1974-11-22 1974-11-22 The method of heat treatment of low-carbon electrical steel

Publications (1)

Publication Number Publication Date
SU536236A1 true SU536236A1 (en) 1976-11-25

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SU2077374A SU536236A1 (en) 1974-11-22 1974-11-22 The method of heat treatment of low-carbon electrical steel

Country Status (1)

Country Link
SU (1) SU536236A1 (en)

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