CN1158394C - 一种超纯高碳铬轴承钢的生产方法 - Google Patents
一种超纯高碳铬轴承钢的生产方法 Download PDFInfo
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- CN1158394C CN1158394C CNB011322365A CN01132236A CN1158394C CN 1158394 C CN1158394 C CN 1158394C CN B011322365 A CNB011322365 A CN B011322365A CN 01132236 A CN01132236 A CN 01132236A CN 1158394 C CN1158394 C CN 1158394C
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- Prior art keywords
- steel
- ladle
- molten steel
- furnace
- refining
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- 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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- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
工序 | 项目 | 第一炉 | 第二炉 | 第三炉 |
直流电炉 | 钢液温度,℃ | 1580-1650 | 1600-1650 | 1595-1650 |
氧气耗量,m3/吨钢 | 28 | 37 | 23 | |
石灰耗量,公斤/吨钢 | 7 | 6 | 8 | |
钢包炉 | 钢包耐火材料 | 包体:Al2O3-MgO-C砖;渣线:MgO-C砖 | 包体:Al2O3-MgO-C砖;渣线:MgO-C | 包体:Al2O3-MgO-C砖;渣线:MgO-C |
钢包清理 | 全部 | 全部 | 全部 | |
特殊渣料 | 600公斤石灰;150公斤萤石;50公斤硅石 | 650公斤石灰;100公斤萤石;50公斤硅石 | 550公斤石灰;150公斤萤石;50公斤硅石 | |
合金 | 中碳铬铁和低碳铬铁;电解锰;含硅特殊材料 | 微碳铬铁;电解锰;含硅特殊材料 | 中碳铬铁和金属铬;电解锰;含硅特殊材料 | |
增碳剂,公斤/吨钢 | 焦碳:7 | 焦碳:6 | 焦碳:9 | |
纯铝脱氧剂,公斤/吨钢 | 2.2 | 2.4 | 2.5 | |
底吹氩强度,MPa | 0.22-0.27 | 0.24-0.27 | 0.25-0.28 | |
钢液温度,℃ | 1510-1620 | 1505-1600 | 1515-1605 | |
冶炼时间,min | 55 | 48 | 57 | |
真空炉 | 真空度,Pa | 67 | 67 | 80 |
真空冶炼时间,min | 25 | 30 | 29 | |
真空吹氩强度,MPa | 0.11 | 0.15 | 0.14 | |
浇铸 | 浇铸速度,吨钢液/分钟 | 3.5-4.5 | 3.5-4.5 | 3.5-4.5 |
钢材中氧含量,% | 0.0006 | 0.0006 | 0.0007 | |
钢材中钛含量,% | 0.0010 | 0.0012 | 0.0011 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB011322365A CN1158394C (zh) | 2001-11-19 | 2001-11-19 | 一种超纯高碳铬轴承钢的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB011322365A CN1158394C (zh) | 2001-11-19 | 2001-11-19 | 一种超纯高碳铬轴承钢的生产方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1369568A CN1369568A (zh) | 2002-09-18 |
CN1158394C true CN1158394C (zh) | 2004-07-21 |
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Application Number | Title | Priority Date | Filing Date |
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CNB011322365A Expired - Fee Related CN1158394C (zh) | 2001-11-19 | 2001-11-19 | 一种超纯高碳铬轴承钢的生产方法 |
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CN (1) | CN1158394C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100465293C (zh) * | 2004-10-25 | 2009-03-04 | 青海大学 | 轴承钢纳米脱钛剂在钢液中的分散方法 |
CN102634732B (zh) * | 2011-02-15 | 2013-07-31 | 宝山钢铁股份有限公司 | 一种高碳铬轴承钢的冶炼方法 |
CN102367501A (zh) * | 2011-11-16 | 2012-03-07 | 南京钢铁股份有限公司 | 一种超纯净轴承钢电炉冶炼工艺 |
CN102864311B (zh) * | 2012-09-21 | 2014-11-26 | 承德建龙特殊钢有限公司 | 一种高铬渣中铬在炼钢-lf工序的回收方法 |
CN104532102B (zh) * | 2014-12-09 | 2017-01-11 | 抚顺特殊钢股份有限公司 | 风电用大规格渗碳轴承钢G20Cr2Ni4A制造工艺 |
CN104946845B (zh) * | 2015-07-30 | 2017-02-01 | 攀钢集团攀枝花钢钒有限公司 | 一种含钒钛铁水生产高碳铬轴承钢的方法 |
CN107312906B (zh) * | 2017-07-10 | 2019-06-14 | 西王金属科技有限公司 | 一种低成本超纯低钛轴承钢的冶炼工艺 |
CN108998720B (zh) * | 2018-08-10 | 2020-01-17 | 大冶特殊钢股份有限公司 | 一种低钛含量轴承钢的制备方法 |
CN113073269B (zh) * | 2021-03-31 | 2022-02-25 | 安徽富凯特材有限公司 | 一种高碳铬不锈轴承钢母材冶炼工艺 |
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2001
- 2001-11-19 CN CNB011322365A patent/CN1158394C/zh not_active Expired - Fee Related
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Effective date of registration: 20081219 Address after: Orchard, Fujin Road, Baoshan District, Shanghai Patentee after: Baoshan Iron & Steel Co., Ltd. Address before: No. 333 Tongji Road, Shanghai, Baoshan District Patentee before: Shanghai No.5 Iron and steel Co., Ltd., Baoshan Iron and Steel Group |
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Owner name: BAOSHAN IRON + STEEL CO., LTD. Free format text: FORMER OWNER: SHANGHAI NO.5 IRON AND STEEL CO LTD, BAOSHAN IRON AND STEEL GROUP Effective date: 20081219 |
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Owner name: BAOSTEEL SPECIAL STEEL CO., LTD. Free format text: FORMER OWNER: BAOSHAN IRON + STEEL CO., LTD. Effective date: 20131216 |
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Effective date of registration: 20131216 Address after: 200940 Baoshan District aquatic Road, Shanghai, No. 1269 Patentee after: BAOSTEEL SPECIALSTEEL CO., LTD. Address before: 201900 Fujin Road, Shanghai, orchard, Baoshan District Patentee before: Baoshan Iron & Steel Co., Ltd. |
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