CN100500916C - Boron-containing steel and preparation method thereof - Google Patents
Boron-containing steel and preparation method thereof Download PDFInfo
- Publication number
- CN100500916C CN100500916C CNB2007101139168A CN200710113916A CN100500916C CN 100500916 C CN100500916 C CN 100500916C CN B2007101139168 A CNB2007101139168 A CN B2007101139168A CN 200710113916 A CN200710113916 A CN 200710113916A CN 100500916 C CN100500916 C CN 100500916C
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- steel
- boron
- furnace
- temperature
- rolling
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Specifications section (mm * mm) | Superheating temperature | Pulling rate (m/min) | Superheating temperature | Pulling rate (m/min) | Superheating temperature | Pulling rate (m/min) |
260×300 | <20℃ | 0.70 | 20~25℃ | 0.65 | >25℃ | 0.60 |
180×220 | <20℃ | 1.2 | 20~25℃ | 1.1 | >25℃ | 1.0 |
Heat (batch) number | Whether skim | Temperature puts in place | Find time in advance | Minimum vacuum tightness | Hold-time | Broken empty temperature | Add B (kg) | Last steel temperature |
T207-4982 | Be | 1614 | 8 | 30 | 5 | 1573 | 6 | 1566 |
T207-4983 | Be | 1586 | 7 | 30 | 5 | 1553 | 5.5 | 1550 |
T207-4984 | Be | 1594 | 7 | 25 | 5 | 1555 | 6 | 1550 |
Heat (batch) number | Tensile strength Rm (MPa) | Yield strength ReL (MPa) | Unit elongation A (%) | Shrinking percentage Z (%) | Ballistic work Aku (J) |
T207-4982 | 1050/1030 | 930/910 | 14/14 | 52/53 | 60/910 |
T207-4983 | 1080/1070 | 955/950 | 12/13 | 51/51 | 90/92 |
T207-4984 | 1020/1050 | 900/920 | 14/14 | 57/55 | 102/106 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007101139168A CN100500916C (en) | 2007-10-17 | 2007-10-17 | Boron-containing steel and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007101139168A CN100500916C (en) | 2007-10-17 | 2007-10-17 | Boron-containing steel and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN101148737A CN101148737A (en) | 2008-03-26 |
CN100500916C true CN100500916C (en) | 2009-06-17 |
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CNB2007101139168A Expired - Fee Related CN100500916C (en) | 2007-10-17 | 2007-10-17 | Boron-containing steel and preparation method thereof |
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CN (1) | CN100500916C (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812643B (en) * | 2009-11-30 | 2012-05-30 | 济南钢铁股份有限公司 | Boracic pinion steel and preparation method thereof |
EP2390530B1 (en) * | 2010-05-31 | 2012-03-28 | iwis motorsysteme GmbH & Co. KG | Articulated chain with chain links made of boron manganese steel |
CN103447492A (en) * | 2012-05-30 | 2013-12-18 | 通化钢铁股份有限公司 | Production process for eliminating boron micro-alloying hot-rolled steel strip edge faults |
CN103882302B (en) * | 2012-12-21 | 2016-03-02 | 鞍钢股份有限公司 | Steel for N80-Q-grade straight seam welding oil casing and manufacturing method thereof |
CN103273023B (en) * | 2013-06-07 | 2016-12-28 | 鞍钢股份有限公司 | Continuous casting production process of extra-high manganese steel |
CN103695600B (en) * | 2013-12-19 | 2015-05-13 | 马钢(集团)控股有限公司 | Low-cost production method of boracic low-alloy-structured steel sheet billet |
CN107630172B (en) * | 2016-07-18 | 2019-04-26 | 鞍钢股份有限公司 | Method for preventing surface cracks of low-carbon boron-containing steel |
CN108998725A (en) * | 2018-07-17 | 2018-12-14 | 石家庄钢铁有限责任公司 | Track link rail 35MnBM steel and preparation method thereof |
CN109234607B (en) * | 2018-10-26 | 2020-11-10 | 山东钢铁集团日照有限公司 | Wide slab production method for increasing acid-soluble boron content |
CN111020103A (en) * | 2019-11-22 | 2020-04-17 | 舞阳钢铁有限责任公司 | Ferroboron adding method and ferroboron adding device for improving acid-soluble boron proportion |
CN113265584B (en) * | 2021-05-13 | 2022-05-06 | 大冶特殊钢有限公司 | Medium-carbon boron-containing steel and rolling and cooling control method for online normalizing treatment |
CN114411045B (en) * | 2022-01-25 | 2023-06-27 | 中天钢铁集团有限公司 | Production method of B-alloy-containing structural steel for automobile parts |
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2007
- 2007-10-17 CN CNB2007101139168A patent/CN100500916C/en not_active Expired - Fee Related
Non-Patent Citations (9)
Title |
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矩形坯连铸生产含硼钢试验. 于广石.钢铁研究,第4期. 2004 |
矩形坯连铸生产含硼钢试验. 于广石.钢铁研究,第4期. 2004 * |
矩形连铸坯生产40MnB钢试验研究. 于广石,李本海.天津冶金,第1期. 2004 |
矩形连铸坯生产40MnB钢试验研究. 于广石,李本海.天津冶金,第1期. 2004 * |
硼钢研究文集. 冶金部钢铁研究总院 |
硼钢研究文集. 冶金部钢铁研究总院;祖荣祥等,43-61,冶金工业出版社. 1981 * |
祖荣祥等,43-61,冶金工业出版社. 1981 |
首钢连铸生产40MnB矩形坯的实践. 于广石等.钢铁研究,第2期. 2004 |
首钢连铸生产40MnB矩形坯的实践. 于广石等.钢铁研究,第2期. 2004 * |
Also Published As
Publication number | Publication date |
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CN101148737A (en) | 2008-03-26 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Laiwu Steel Group Zibo Anchor Chain Co., Ltd. Assignor: Laiwu Iron & Steel Group Corp., Ltd. Contract fulfillment period: 2008.7.1 to 2015.6.30 contract change Contract record no.: 2009370000150 Denomination of invention: Boron-containing steel and preparation method thereof Granted publication date: 20090617 License type: Exclusive license Record date: 2009.7.7 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.1 TO 2015.6.30; CHANGE OF CONTRACT Name of requester: LAIWU STEEL GROUP ZIBO ANCHOR CHAIN CO., LTD. Effective date: 20090707 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20161017 |