CN110257705B - 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 - Google Patents
一种不易脆断的预应力混凝土钢棒用钢及其生产方法 Download PDFInfo
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- CN110257705B CN110257705B CN201910590476.8A CN201910590476A CN110257705B CN 110257705 B CN110257705 B CN 110257705B CN 201910590476 A CN201910590476 A CN 201910590476A CN 110257705 B CN110257705 B CN 110257705B
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- steel
- molten steel
- prestressed concrete
- molten
- brittle fracture
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
含量(wt%) | C | Si | Mn | P | S |
实施例1 | 0.25 | 1.40 | 0.55 | 0.025 | 0.010 |
实施例2 | 0.35 | 1.10 | 0.75 | 0.020 | 0.005 |
实施例3 | 0.29 | 1.30 | 0.72 | 0.018 | 0.008 |
实施例4 | 0.34 | 1.20 | 0.64 | 0.015 | 0.005 |
实施例5 | 0.32 | 1.25 | 0.68 | 0.015 | 0.005 |
对比例1 | 0.25 | 0.86 | 0.70 | 0.015 | 0.005 |
对比例2 | 0.25 | 1.25 | 0.95 | 0.015 | 0.005 |
Claims (1)
Priority Applications (2)
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CN201910590476.8A CN110257705B (zh) | 2019-07-02 | 2019-07-02 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
PCT/CN2020/096482 WO2021000729A1 (zh) | 2019-07-02 | 2020-06-17 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
Applications Claiming Priority (1)
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CN201910590476.8A CN110257705B (zh) | 2019-07-02 | 2019-07-02 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
Publications (2)
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CN110257705A CN110257705A (zh) | 2019-09-20 |
CN110257705B true CN110257705B (zh) | 2021-07-02 |
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CN201910590476.8A Active CN110257705B (zh) | 2019-07-02 | 2019-07-02 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
Country Status (2)
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CN (1) | CN110257705B (zh) |
WO (1) | WO2021000729A1 (zh) |
Families Citing this family (2)
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CN110257705B (zh) * | 2019-07-02 | 2021-07-02 | 常熟市龙腾特种钢有限公司 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
CN110747404B (zh) * | 2019-10-31 | 2021-04-02 | 鞍钢股份有限公司 | 1570MPa级抗延迟断裂钢棒及其制造方法 |
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CN1118811A (zh) * | 1994-05-02 | 1996-03-20 | 高周波热炼株式会社 | 高附着、高强度异形棒钢及其制造方法 |
JPH10298664A (ja) * | 1997-04-23 | 1998-11-10 | Nippon Steel Corp | 高一様伸び低降伏比高張力鋼材の製造方法 |
CN1244596A (zh) * | 1999-08-04 | 2000-02-16 | 沈阳培新钢筋有限公司 | 高强度预应力混凝土用钢棒及生产工艺 |
JP2001073080A (ja) * | 1999-08-31 | 2001-03-21 | Nippon Steel Corp | 遅れ破壊特性の優れた高張力鋼材及びその製造方法 |
JP2003129178A (ja) * | 2001-10-25 | 2003-05-08 | Nippon Steel Corp | 遅れ破壊特性に優れた高強度pc鋼棒 |
JP2006104550A (ja) * | 2004-10-08 | 2006-04-20 | Nippon Steel Corp | 耐遅れ破壊特性に優れた高強度pc鋼棒およびその耐遅れ破壊特性向上方法 |
CN101245433A (zh) * | 2007-07-23 | 2008-08-20 | 天津钢铁有限公司 | 一种预应力混凝土钢棒用盘条及制造工艺 |
JP2011132571A (ja) * | 2009-12-24 | 2011-07-07 | Neturen Co Ltd | 鉄筋コンクリート造構造物用鉄筋の製造方法 |
CN103233167A (zh) * | 2013-04-11 | 2013-08-07 | 首钢总公司 | 一种耐工业大气腐蚀钢筋及其生产方法 |
CN103805847A (zh) * | 2014-03-07 | 2014-05-21 | 武钢集团昆明钢铁股份有限公司 | 用于制作预应力混凝土钢棒的光圆盘条钢筋及加工方法 |
CN105401070A (zh) * | 2015-12-18 | 2016-03-16 | 首钢水城钢铁(集团)有限责任公司 | 一种预应力混凝土用精轧螺纹钢筋的生产方法 |
CN108660386A (zh) * | 2018-05-17 | 2018-10-16 | 常熟市龙腾特种钢有限公司 | 一种标准件用合金钢盘条 |
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JP2764180B2 (ja) * | 1989-03-15 | 1998-06-11 | 日本鋼管株式会社 | 遅れ破壊特性に優れた耐塩性pc鋼棒 |
JP2001073081A (ja) * | 1999-09-01 | 2001-03-21 | Nippon Steel Corp | 低降伏比高張力鋼棒とその製造方法 |
KR100542005B1 (ko) * | 2004-02-27 | 2006-01-10 | 삼화강봉주식회사 | 스폿트 용접부의 파단신율이 개선된 프리스트레스트콘크리트용 강봉 |
CN105970082A (zh) * | 2016-05-31 | 2016-09-28 | 内蒙古包钢钢联股份有限公司 | 高强度预应力混凝土钢棒用盘条的生产方法 |
CN110257705B (zh) * | 2019-07-02 | 2021-07-02 | 常熟市龙腾特种钢有限公司 | 一种不易脆断的预应力混凝土钢棒用钢及其生产方法 |
-
2019
- 2019-07-02 CN CN201910590476.8A patent/CN110257705B/zh active Active
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2020
- 2020-06-17 WO PCT/CN2020/096482 patent/WO2021000729A1/zh active Application Filing
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CN1118811A (zh) * | 1994-05-02 | 1996-03-20 | 高周波热炼株式会社 | 高附着、高强度异形棒钢及其制造方法 |
JPH10298664A (ja) * | 1997-04-23 | 1998-11-10 | Nippon Steel Corp | 高一様伸び低降伏比高張力鋼材の製造方法 |
CN1244596A (zh) * | 1999-08-04 | 2000-02-16 | 沈阳培新钢筋有限公司 | 高强度预应力混凝土用钢棒及生产工艺 |
JP2001073080A (ja) * | 1999-08-31 | 2001-03-21 | Nippon Steel Corp | 遅れ破壊特性の優れた高張力鋼材及びその製造方法 |
JP2003129178A (ja) * | 2001-10-25 | 2003-05-08 | Nippon Steel Corp | 遅れ破壊特性に優れた高強度pc鋼棒 |
JP2006104550A (ja) * | 2004-10-08 | 2006-04-20 | Nippon Steel Corp | 耐遅れ破壊特性に優れた高強度pc鋼棒およびその耐遅れ破壊特性向上方法 |
CN101245433A (zh) * | 2007-07-23 | 2008-08-20 | 天津钢铁有限公司 | 一种预应力混凝土钢棒用盘条及制造工艺 |
JP2011132571A (ja) * | 2009-12-24 | 2011-07-07 | Neturen Co Ltd | 鉄筋コンクリート造構造物用鉄筋の製造方法 |
CN103233167A (zh) * | 2013-04-11 | 2013-08-07 | 首钢总公司 | 一种耐工业大气腐蚀钢筋及其生产方法 |
CN103805847A (zh) * | 2014-03-07 | 2014-05-21 | 武钢集团昆明钢铁股份有限公司 | 用于制作预应力混凝土钢棒的光圆盘条钢筋及加工方法 |
CN105401070A (zh) * | 2015-12-18 | 2016-03-16 | 首钢水城钢铁(集团)有限责任公司 | 一种预应力混凝土用精轧螺纹钢筋的生产方法 |
CN108660386A (zh) * | 2018-05-17 | 2018-10-16 | 常熟市龙腾特种钢有限公司 | 一种标准件用合金钢盘条 |
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WO2021000729A1 (zh) | 2021-01-07 |
CN110257705A (zh) | 2019-09-20 |
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Denomination of invention: The invention relates to a steel for prestressed concrete steel bar which is not easy to brittle fracture and a production method thereof Effective date of registration: 20211105 Granted publication date: 20210702 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changshu branch Pledgor: CHANGSHU LONGTENG SPECIAL STEEL Co.,Ltd.|CHANGSHU LONGTENG ROLLING ELEMENT Co.,Ltd. Registration number: Y2021320010443 |
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Date of cancellation: 20230504 Granted publication date: 20210702 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changshu branch Pledgor: CHANGSHU LONGTENG SPECIAL STEEL Co.,Ltd.|CHANGSHU LONGTENG ROLLING ELEMENT Co.,Ltd. Registration number: Y2021320010443 |