RU2003110868A - METHOD FOR PRODUCING SPHEROIDIZED SHELLS FROM BORRANE STEEL FOR COLD VOLUME STAMPING OF HIGH-STRENGTH FASTENING PARTS - Google Patents

METHOD FOR PRODUCING SPHEROIDIZED SHELLS FROM BORRANE STEEL FOR COLD VOLUME STAMPING OF HIGH-STRENGTH FASTENING PARTS

Info

Publication number
RU2003110868A
RU2003110868A RU2003110868/02A RU2003110868A RU2003110868A RU 2003110868 A RU2003110868 A RU 2003110868A RU 2003110868/02 A RU2003110868/02 A RU 2003110868/02A RU 2003110868 A RU2003110868 A RU 2003110868A RU 2003110868 A RU2003110868 A RU 2003110868A
Authority
RU
Russia
Prior art keywords
steel
cold
temperature range
rolling
boron
Prior art date
Application number
RU2003110868/02A
Other languages
Russian (ru)
Other versions
RU2238335C1 (en
Inventor
Михаил Викторович Бобылев
Дильфат Минияхметович Закиров
Александр Николаевич Кулапов
Николай Викторович СТЕПАНОВ
Зифа Абдугафаровна Антонова
Виктор Владимирович Майстренко
Аркадий Диамидович Пешев
Андрей Михайлович Ламухин
Галина Сергеевна Водовозова
Александр Васильевич Зиборов
Андрей Николаевич Луценко
Людмила Николаевна Ронжина
Original Assignee
Общество с ограниченной ответственностью "НОРМА-ИМПОРТ ИНСО"
Filing date
Publication date
Application filed by Общество с ограниченной ответственностью "НОРМА-ИМПОРТ ИНСО" filed Critical Общество с ограниченной ответственностью "НОРМА-ИМПОРТ ИНСО"
Priority to RU2003110868/02A priority Critical patent/RU2238335C1/en
Priority claimed from RU2003110868/02A external-priority patent/RU2238335C1/en
Application granted granted Critical
Publication of RU2238335C1 publication Critical patent/RU2238335C1/en
Publication of RU2003110868A publication Critical patent/RU2003110868A/en

Links

Claims (4)

1. Способ производства сортового проката из борсодержащей стали для холодной объемной штамповки высокопрочных крепежных деталей, включающий выплавку стали в электропечи, внепечную обработку, разливку в изложницы с защитой струи, горячую прокатку слитка и получение заготовки, с последующей ее контролируемой прокаткой, смоткой сортового проката в бунты, калибровкой проката со степенью деформации 20-25% и сфероидизирующим отжигом, включающим скоростной индукционный нагрев в межкритический интервал температур холоднодеформированного металла с последующим регламентированным охлаждением в интервале температур 650-730°С, со скоростями 0.5-1.0°С/мин., отличающийся тем, что1. Method for the production of long products from boron-containing steel for cold forming of high-strength fasteners, including steelmaking in electric furnaces, after-furnace treatment, casting into molds with jet protection, hot rolling of an ingot and preparation of a billet, followed by controlled rolling, rolling of long products in riots, by calibrating rolled products with a degree of deformation of 20-25% and spheroidizing annealing, including high-speed induction heating in the intercritical temperature range of cold-deformed meta alla followed by regulated cooling in the temperature range 650-730 ° C, with speeds of 0.5-1.0 ° C / min., characterized in that выплавляют сталь, содержащую мас.%: углерод, марганец, кремний, хром, ниобий, титан, азот, алюминий, бор, железо при следующем соотношении компонентов, мас.%:steel is smelted containing wt.%: carbon, manganese, silicon, chromium, niobium, titanium, nitrogen, aluminum, boron, iron in the following ratio of components, wt.%: углерод 0.17-0.26carbon 0.17-0.26 марганец 0.90-1.30Manganese 0.90-1.30 кремний 0,01-0,20silicon 0.01-0.20 хром 0.005-0.35chrome 0.005-0.35 бор 0.0005-0.0050boron 0.0005-0.0050 ниобий 0,001-0,02niobium 0.001-0.02 алюминий 0.02-0.06aluminum 0.02-0.06 титан 0,01-0,04titanium 0.01-0.04 азот 0.005-0.015nitrogen 0.005-0.015 Причем:Moreover:
Figure 00000001
Figure 00000001
 2. Способ по п.1, отличающийся тем, что микролегирование стали ниобием тормозит процессы ректисталлизации стали при температуре окончания прокатки 950-1000°С, что позволяет реализовать технологию контролируемой прокатки на существующем оборудовании и обеспечивает формирование мелкозернистой структуры.2. The method according to claim 1, characterized in that microalloying of steel with niobium inhibits the processes of rectification of steel at a temperature of rolling end of 950-1000 ° C, which allows for the implementation of controlled rolling technology on existing equipment and provides the formation of a fine-grained structure. 3. Способ по любому из п.1 или 2, отличающийся тем, что после горячей прокатки используют холодную деформацию калибровкой со степенью обжатия 20-25%.3. The method according to any one of claims 1 or 2, characterized in that after hot rolling, cold deformation is used by calibration with a compression ratio of 20-25%. 4. Способ по любому из пп.1-3, отличающийся тем, что сфероидизирующий отжиг предполагает скоростной нагрев в межкритический интервал температур в холоднодеформированного металла с последующим регламентированным охлаждением в интервале температур 650-730°С, со скоростями 0.5-1.0°С/мин. и дальнейшим охлаждением в термокамере при температуре среды - 100-200°С, что обеспечивает сокращение продолжительности процесса сфероидизации в 5-10 раз.4. The method according to any one of claims 1 to 3, characterized in that the spheroidizing annealing involves rapid heating in the intercritical temperature range in a cold-deformed metal, followed by regulated cooling in the temperature range of 650-730 ° C, at speeds of 0.5-1.0 ° C / min . and further cooling in a heat chamber at an ambient temperature of 100-200 ° C, which reduces the duration of the spheroidization process by 5-10 times.
RU2003110868/02A 2003-04-16 2003-04-16 Method for producing of spheroidized rolled bars from boron steel for cold bulk pressing of high-strength fastening parts RU2238335C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003110868/02A RU2238335C1 (en) 2003-04-16 2003-04-16 Method for producing of spheroidized rolled bars from boron steel for cold bulk pressing of high-strength fastening parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003110868/02A RU2238335C1 (en) 2003-04-16 2003-04-16 Method for producing of spheroidized rolled bars from boron steel for cold bulk pressing of high-strength fastening parts

Publications (2)

Publication Number Publication Date
RU2238335C1 RU2238335C1 (en) 2004-10-20
RU2003110868A true RU2003110868A (en) 2004-12-27

Family

ID=33537884

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003110868/02A RU2238335C1 (en) 2003-04-16 2003-04-16 Method for producing of spheroidized rolled bars from boron steel for cold bulk pressing of high-strength fastening parts

Country Status (1)

Country Link
RU (1) RU2238335C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2760140C1 (en) * 2020-12-10 2021-11-22 Сергей Константинович Лаптев Method for producing low-carbon martensitic steel

Similar Documents

Publication Publication Date Title
JP6812465B2 (en) 980 MPa class hot-rolled ferrite bainite duplex steel and its manufacturing method
WO2018090682A1 (en) High hardenability, medium carbon, low alloy round steel for fasteners and manufacturing method therefor
CN101580916B (en) High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof
WO2019080659A1 (en) Method for producing ultra high strength martensitic cold-rolled steel sheet by means of ultra fast heating process
CN103805851B (en) A kind of superstrength low cost hot rolling Q & P steel and production method thereof
CN105441795B (en) A kind of LED lead frame low-carbon cold rolling steel plate and its production method
CN111979494B (en) Ti-containing carburizing steel for thin-wall annular gear, manufacturing method thereof and thin-wall annular gear forming method
CN108998741A (en) Manganese phase change induction plasticity steel and preparation method thereof in ultra-high strength and toughness
CN106256918A (en) The Automobile flywheel cold-strip steel of a kind of precision stamping processing and manufacture method thereof
TW201930611A (en) Press hardened steel with tailored properties after novel thermal treatment
CN107475618B (en) A kind of high tough low-carbon is containing manganese deformation induced plasticity steel and preparation method in aluminium
CN103667913A (en) Production method for high-yield-strength and high-plasticity TWIP (Twinning Induced Plasticity) steel
CN106498297A (en) Precision stamping automotive seat actuator fluted disc cold-rolled steel sheet and its manufacture method
CN102321852B (en) Nanostructure carbide-free bainite medium-carbon alloy steel and preparation method
CN108018494A (en) A kind of production method for the annealing process and low density steel for improving the strong plasticity of low density steel
CN109295289B (en) Method for reducing strip-shaped structure of thin steel plate for resisting hydrogen sulfide corrosion
RU2003110868A (en) METHOD FOR PRODUCING SPHEROIDIZED SHELLS FROM BORRANE STEEL FOR COLD VOLUME STAMPING OF HIGH-STRENGTH FASTENING PARTS
RU2016117287A (en) METHOD FOR DEFORMATION AND THERMAL TREATMENT OF HIGH Manganese Steel
RU2005114614A (en) METHOD FOR PRODUCING STEEL-BASED HARDENED STEEL SHEETS, STEEL SHEETS AND PARTS
RU2003124202A (en) METHOD FOR PRODUCING SPHEROIDIZED SHELLS FROM LOW CARBON STEEL FOR COLD VOLUME STAMPING OF COMPLEX PROFILE FASTENING
RU2003110866A (en) METHOD FOR PRODUCING FROM CONTINUOUS BARING OF VARIETIES WITH SPHEROIDIZED STRUCTURE FROM BORN-CONTAINING STEEL FOR COLD VOLUME STAMPING OF HIGH-STRENGTH FASTENING PARTS
CN103215423B (en) Production method of hot rolled and phase-change induced plastic steel coil
RU2003110865A (en) METHOD FOR PRODUCING VARNISHED ROLL FROM BORNING STEEL FOR COLD VOLUME STAMPING OF HIGH-STRENGTH FASTENING PARTS
CN102125931B (en) Hot rolling production method for 400 series stainless steel coils
RU2677038C1 (en) Round rolled products from structural alloyed steels manufacturing method for the fasteners cold die forging