ZA202103240B - Q690d thick plate produced by ultra fast cooling process and manufacturing method - Google Patents

Q690d thick plate produced by ultra fast cooling process and manufacturing method

Info

Publication number
ZA202103240B
ZA202103240B ZA2021/03240A ZA202103240A ZA202103240B ZA 202103240 B ZA202103240 B ZA 202103240B ZA 2021/03240 A ZA2021/03240 A ZA 2021/03240A ZA 202103240 A ZA202103240 A ZA 202103240A ZA 202103240 B ZA202103240 B ZA 202103240B
Authority
ZA
South Africa
Prior art keywords
manufacturing
cooling process
thick plate
fast cooling
plate produced
Prior art date
Application number
ZA2021/03240A
Inventor
Zaiwei Jiang
Qinghui Zhang
Qiangjun Yan
Zhonghua Hou
Hui Jiang
Yijie Zhang
Original Assignee
Nanjing Iron & Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Iron & Steel Co Ltd filed Critical Nanjing Iron & Steel Co Ltd
Publication of ZA202103240B publication Critical patent/ZA202103240B/en

Links

Classifications

    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
ZA2021/03240A 2018-11-12 2021-05-13 Q690d thick plate produced by ultra fast cooling process and manufacturing method ZA202103240B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811342554.4A CN109338225A (en) 2018-11-12 2018-11-12 The ultrafast cold technique production Q690D slab of one kind and manufacturing method
PCT/CN2019/093665 WO2020098288A1 (en) 2018-11-12 2019-06-28 Q690d thick plate produced by ultra fast cooling process and manufacturing method

Publications (1)

Publication Number Publication Date
ZA202103240B true ZA202103240B (en) 2023-03-29

Family

ID=65315226

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/03240A ZA202103240B (en) 2018-11-12 2021-05-13 Q690d thick plate produced by ultra fast cooling process and manufacturing method

Country Status (4)

Country Link
CN (1) CN109338225A (en)
AU (1) AU2019381076B2 (en)
WO (1) WO2020098288A1 (en)
ZA (1) ZA202103240B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338225A (en) * 2018-11-12 2019-02-15 南京钢铁股份有限公司 The ultrafast cold technique production Q690D slab of one kind and manufacturing method
CN111876558B (en) * 2020-07-21 2022-04-22 安阳钢铁股份有限公司 Method for producing peritectic high-strength steel based on LF + VD process and accurately controlling carbon content
CN113770176A (en) * 2021-06-29 2021-12-10 张家港宏昌钢板有限公司 Visual material tracking method and system for online identification of flaw detection plate and representative plate
CN114231718B (en) * 2021-11-18 2024-03-19 首钢京唐钢铁联合有限责任公司 Pipeline steel with narrow strength and same plate difference and production method thereof
CN114160580A (en) * 2021-11-22 2022-03-11 南京钢铁股份有限公司 Cooling method for improving flatness of weathering steel A709Gr50
CN114480969B (en) * 2022-01-24 2023-04-18 南阳汉冶特钢有限公司 Production method of high-toughness high-Z-direction-performance super-thick steel Q460GJ with compression ratio not greater than 4

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102268607A (en) * 2010-06-07 2011-12-07 鞍钢股份有限公司 Dedicated high-strength steel plate for coal mine hydraulic support and manufacturing method thereof
CN102345061B (en) * 2011-06-28 2013-06-12 南阳汉冶特钢有限公司 Q690D quality structural medium steel plate and production method thereof
CN102888565A (en) * 2012-09-22 2013-01-23 内蒙古包钢钢联股份有限公司 High-strength steel plate with yield strength at 690MPa level and manufacture method thereof
CN102851604A (en) * 2012-09-22 2013-01-02 内蒙古包钢钢联股份有限公司 Production method of high-strength steel plate with yield strength of 690MPa
KR102275814B1 (en) * 2014-12-31 2021-07-09 두산중공업 주식회사 Ultra thick steel plate and manufacturing method for offshore structure having ultra-high strength and high toughness
CN104947000A (en) * 2015-06-14 2015-09-30 秦皇岛首秦金属材料有限公司 High-strength steel with yield strength of 700MPa and TMCP manufacturing method
KR20160149640A (en) * 2015-06-18 2016-12-28 현대제철 주식회사 Ultra high strenth steel and method for manufacturing the same
CN106282774B (en) * 2016-08-31 2018-04-20 南京钢铁股份有限公司 A kind of high transverse and longitudinal impact big thickness Q690E high-strength steel production methods of ratio
CN106756544B (en) * 2016-12-12 2019-06-04 南京钢铁股份有限公司 A kind of production method of the big thickness Q690D high-strength steel of ultralow carbon equivalent
CN107447167A (en) * 2017-07-30 2017-12-08 湖南华菱湘潭钢铁有限公司 A kind of production method of low yield strength ratio high-strength medium plate
CN107675097B (en) * 2017-08-15 2020-05-29 河钢股份有限公司邯郸分公司 High-strength steel Q690D steel plate with good side bending performance and production method thereof
CN109338225A (en) * 2018-11-12 2019-02-15 南京钢铁股份有限公司 The ultrafast cold technique production Q690D slab of one kind and manufacturing method

Also Published As

Publication number Publication date
WO2020098288A1 (en) 2020-05-22
AU2019381076A1 (en) 2021-05-27
CN109338225A (en) 2019-02-15
AU2019381076B2 (en) 2022-05-12

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