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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 7. Отображено 7.
23-05-2012 дата публикации

Q345q-series super-thick bridge steel plate and production method thereof

Номер: CN0101880824B
Автор: SHUCHENG ZHU, SHAOPU XU, GUANJUN CUI, DI ZHAO, ZHAOHAI GAO, DONG YANG, HONGYANG LI, SA YU, BAIMING PANG, SHAOHUI ZHANG, YONGQI YUAN, WENHUI LEI, ZHENGLEI TANG, WENZHEN HUANG, ZHIQIANG LI, ZHAO XU, KALI PENG, FAN XU, ZHU SHUCHENG, XU SHAOPU, CUI GUANJUN, ZHAO DI, GAO ZHAOHAI, YANG DONG, LI HONGYANG, YU SA, PANG BAIMING, ZHANG SHAOHUI, YUAN YONGQI, LEI WENHUI, TANG ZHENGLEI, HUANG WENZHEN, LI ZHIQIANG, XU ZHAO, PENG KALI, XU FAN
Принадлежит:

The invention discloses a Q345q-series super-thick guaranteed performance and flaw detection bridge steel plate comprising the following chemical components in percentage by mass: 0.08-0.16 percent of C, 0.20-0.50 percent of Si, 1.15-1.60 percent of Mn, not more than 0.020 percent of P, not more than 0.010 percent of S, not more than 0.12 percent of microalloyed element (V+Nb+Ti+Ni), 0.010-0.050 percent of AlS and the balance of Fe and residual elements; and carbon equivalent is not more than 0.43. The invention also discloses a production method of the steel plate, comprising the steps of rolling, cooling, straightening, cooling in pile and thermal treatment. In the rolling, the cooling and the straightening, the 130 mm super-thick Q345qD(E) steel plate is successfully developed in the production line of a converter, die casting, mill rolling and normalization thermal treatment through carrying out reasonable composition design, die casting, TMCP (Thermal Mechanical Control Process) rolling ...

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Номер записи: 1
10-11-2010 дата публикации

Q345q-series super-thick bridge steel plate and production method thereof

Номер: CN0101880824A
Автор: SHUCHENG ZHU, SHAOPU XU, GUANJUN CUI, DI ZHAO, ZHAOHAI GAO, DONG YANG, HONGYANG LI, SA YU, BAIMING PANG, SHAOHUI ZHANG, YONGQI YUAN, WENHUI LEI, ZHENGLEI TANG, WENZHEN HUANG, ZHIQIANG LI, ZHAO XU, KALI PENG, FAN XU, ZHU SHUCHENG, XU SHAOPU, CUI GUANJUN, ZHAO DI, GAO ZHAOHAI, YANG DONG, LI HONGYANG, YU SA, PANG BAIMING, ZHANG SHAOHUI, YUAN YONGQI, LEI WENHUI, TANG ZHENGLEI, HUANG WENZHEN, LI ZHIQIANG, XU ZHAO, PENG KALI, XU FAN
Принадлежит:

The invention discloses a Q345q-series super-thick guaranteed performance and flaw detection bridge steel plate comprising the following chemical components in percentage by mass: 0.08-0.16 percent of C, 0.20-0.50 percent of Si, 1.15-1.60 percent of Mn, not more than 0.020 percent of P, not more than 0.010 percent of S, not more than 0.12 percent of microalloyed element (V+Nb+Ti+Ni), 0.010-0.050 percent of AlS and the balance of Fe and residual elements; and carbon equivalent is not more than 0.43. The invention also discloses a production method of the steel plate, comprising the steps of rolling, cooling, straightening, cooling in pile and thermal treatment. In the rolling, the cooling and the straightening, the 130 mm super-thick Q345qD(E) steel plate is successfully developed in the production line of a converter, die casting, mill rolling and normalization thermal treatment through carrying out reasonable composition design, die casting, TMCP (Thermal Mechanical Control Process) rolling ...

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Номер записи: 2
04-05-2011 дата публикации

Low-alloy Q345E medium plate and production process thereof

Номер: CN0102041442A
Автор: ZHAOHAI GAO, SHUCHENG ZHU, SHAOPU XU, LIXIN ZHANG, GUANJUN CUI, SHAOWEI YUAN, ZHONGBO LI, YONGQI YUAN, SA YU, LIANG LI, FAN XU, KALI PENG, GAO ZHAOHAI, ZHU SHUCHENG, XU SHAOPU, ZHANG LIXIN, CUI GUANJUN, YUAN SHAOWEI, LI ZHONGBO, YUAN YONGQI, YU SA, LI LIANG, XU FAN, PENG KALI
Принадлежит:

The invention discloses a low-alloy Q345E medium plate produced without adding micro-alloy element and a production process thereof. The low-alloy Q345E medium plate comprises the following chemical components in percentage by weight: 0.13-0.19% of C, 0.20-0.50% of Si, 1.30-1.60% of Mn, less than or equal to 0.020% of P, less than or equal to 0.010% of S, 0.015-0.050% of Als, and the balance of Fe and residual elements. The process disclosed by the invention comprises the following steps: KR (knotted reactor) hot metal pretreatment of high-quality hot metal, processing with a top-bottom combined blowing converter, LF ((ladle furnace) refining, casting blank stack cooling, processing with a heating furnace, rolling, ACC (accelerated cooling) laminar flow cooling, processing with a hot straightener, stack cooling, finishing, external inspection, flaw detection and storage. The invention has the beneficial effects that: compared with the traditional Q345E, precious alloys such as Nb, Ti and ...

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Номер записи: 3
03-08-2011 дата публикации

Method for straightening buckled pipeline steel plate with thickness less than 20mm at normal temperature

Номер: CN0102139296A
Автор: BINGHONG SUN, SHUCHENG ZHU, SHAOPU XU, LIXIN ZHANG, GUANJUN CUI, HONGWEI ZHANG, TAO JIA, GA WANG, WENZHEN HUANG, KALI PENG, TAO LUO, SUN BINGHONG, ZHU SHUCHENG, XU SHAOPU, ZHANG LIXIN, CUI GUANJUN, ZHANG HONGWEI, JIA TAO, WANG GA, HUANG WENZHEN, PENG KALI, LUO TAO
Принадлежит:

The invention discloses a method for straightening a buckled pipeline steel plate with the thickness less than 20mm at normal temperature. During halt of a rolling machine, straightening workers are organized to straighten the buckled pipeline steel plate with the thickness less than 20mm repeatedly straightened by multiple straightening process on a hot straightening machine under small pressure, so that the buckled steel plate subjected to cold straightening can reach the national standard that the unevenness is within 2011mm, thus the overall yield of pipeline steel is greatly improved, and the cost pressure caused by repeated production can be relieved. The invention has the beneficial effects that, compared with a large enterprise adopting a normalizing furnace to straightening the buckled pipeline steel, the normal-temperature cold straightening does not consume fuel or need corresponding manpower or material resource support, thus the production cost can be greatly reduced; the cold ...

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Номер записи: 4
20-07-2011 дата публикации

Method for flattening super-thick steel plates with temperature

Номер: CN0102125947A
Автор: WENZHEN HUANG, SHUCHENG ZHU, SHAOPU XU, LIXIN ZHANG, GUANJUN CUI, HONGWEI ZHANG, TAO JIA, GA WANG, BINGHONG SUN, KALI PENG, FAN XU, HUANG WENZHEN, ZHU SHUCHENG, XU SHAOPU, ZHANG LIXIN, CUI GUANJUN, ZHANG HONGWEI, JIA TAO, WANG GA, SUN BINGHONG, PENG KALI, XU FAN
Принадлежит:

The invention discloses a method for flattening super-thick steel plates with temperature. In the method, medium temperature tempering for the super-thick steel plates eliminates the internal stress of the steel plates, the yield strength and tensile strength of the steel plates cannot be reduced, and the impact toughness and the elongation of the steel plates are improved to some extent; and thetime for hoisting the discharged steel plates to a flatting machine is strictly controlled to be less than or equal to 10 minutes, and the flattening temperature of the steel plates is ensured, so that the flattening effect of the steel plates with temperature is ensured. In the method, steel plate residual temperature after the super-thick steel plates are normalized is utilized for flattening, and the flattening temperature is 300 to 500DEG C; steel plate stack cold and destacking residual temperature is utilized to flatten No.45 steel plates, and the flattening temperature is 200 to 400DEGC; ...

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Номер записи: 5
01-06-2011 дата публикации

75-mm Z15 series steel plate prepared by rolling 250-mm casting blank and production method of 75-mm Z15 series steel plate

Номер: CN0102080184A
Автор: QIANG ZHANG, SHUCHENG ZHU, SHAOPU XU, LIXIN ZHANG, GUANJUN CUI, HONGWEI ZHANG, TAO JIA, GA WANG, WENZHEN HUANG, BINGHONG SUN, KALI PENG, JUNJUN SONG, ZHANG QIANG, ZHU SHUCHENG, XU SHAOPU, ZHANG LIXIN, CUI GUANJUN, ZHANG HONGWEI, JIA TAO, WANG GA, HUANG WENZHEN, SUN BINGHONG, PENG KALI, SONG JUNJUN
Принадлежит:

The invention discloses a 75-mm Z15 series steel plate prepared by rolling 250-mm casting blank which comprises the following chemical components in percentage by mass: 0.08-0.16 wt% of C, 0.20-0.50 wt% of Si, 1.15-1.60 wt% of Mn, at most 0.020 wt% of P, at most 0.010 wt% of S, at most 0.20 wt% of microalloying elements (Nb+Ti), at most 0.050 wt% of Als, and the balance of Fe and residual elements. The production method comprises the following steps: converter smelting, LF (ladle furnace) refining, vacuum refining, casting, heating, rolling, controlled cooling, slow cooling and heat treatment. The chemical components of low-carbon low-manganese multi-element compound microalloying elements are reasonably designed, and LF and VD (vacuum degasser) techniques are used for ensuring the cleanliness of the steel, so that the total grade of various inclusions does not exceed 3.0; and by effectively taking the measures above, thickness-property Z15 steel plate by rolling 250mm continuous casting ...

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Номер записи: 6
04-05-2011 дата публикации

Low-alloy medium-thickness steel plate Q345D-Z35 and production process thereof

Номер: CN0102041441A
Автор: ZHAOHAI GAO, SHUCHENG ZHU, SHAOPU XU, LIXIN ZHANG, GUANJUN CUI, SHAOWEI YUAN, ZHONGBO LI, YONGQI YUAN, SA YU, LIANG LI, JUNJUN SONG, KALI PENG, GAO ZHAOHAI, ZHU SHUCHENG, XU SHAOPU, ZHANG LIXIN, CUI GUANJUN, YUAN SHAOWEI, LI ZHONGBO, YUAN YONGQI, YU SA, LI LIANG, SONG JUNJUN, PENG KALI
Принадлежит:

The invention discloses a low-alloy medium-thickness steel plate Q345D-Z35 produced without adding microalloy elements and a production process thereof. The steel plate contains the following chemical components in percentage by mass (with wt% as a unit): 0.10 to 0.18 percent of C, 0.20 to 0.45 percent of Si, 1.20 to 1.60 percent of Mn, less than or equal to 0.018 percent of P, less than or equal to 0.005 percent of S, 0.015 to 0.050 percent of Als and the balance of Fe and residual elements. The production method comprises the following steps of: pretreatment with high-quality molten iron or KP molten iron, blowing in a top and bottom combined blown converter, ladle furnace (LF) refining, vacuum degassing treatment, casting blank cooling in pile, treatment in a heating furnace, rolling, ACC (Active Calcium Carbonate) laminar cooling, treatment in a hot straightening machine, cooling in pile, finishing, external inspection, flaw detection and warehousing. The steel plate has the advantages ...

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Номер записи: 7