MY197582A - Superfine acicularly-structured structural steel and production method therefor - Google Patents

Superfine acicularly-structured structural steel and production method therefor

Info

Publication number
MY197582A
MY197582A MYPI2021007063A MYPI2021007063A MY197582A MY 197582 A MY197582 A MY 197582A MY PI2021007063 A MYPI2021007063 A MY PI2021007063A MY PI2021007063 A MYPI2021007063 A MY PI2021007063A MY 197582 A MY197582 A MY 197582A
Authority
MY
Malaysia
Prior art keywords
acicularly
superfine
structural steel
production method
method therefor
Prior art date
Application number
MYPI2021007063A
Inventor
Yantang Chen
Donghui Li
Jun Dang
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 MY197582A publication Critical patent/MY197582A/en

Links

Classifications

    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C7/10—Handling in a vacuum
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The present disclosure discloses a superfine acicularly-structured structural steel. The superfine acicularly-structured structural steel is composed of the following chemical composition in weight percentage: C: 0.081-0.11%, Si: 0.10-0.14%, Mn: 1.0-1.29%, P ? 0.008%, S ? 0.002%, Al: 0.041-0.055%, Ti: 0.041-0.15%, B: 0.0015-0.0030%, and the balance of Fe and unavoidable impurities. The present disclosure has low production cost, simple production process and high yield rate.
MYPI2021007063A 2019-05-28 2019-10-16 Superfine acicularly-structured structural steel and production method therefor MY197582A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910451083.9A CN110106442A (en) 2019-05-28 2019-05-28 A kind of ultra-fine acicular structure structural steel and its production method
PCT/CN2019/111416 WO2020237976A1 (en) 2019-05-28 2019-10-16 Superfine acicularly-structured structural steel and production method therefor

Publications (1)

Publication Number Publication Date
MY197582A true MY197582A (en) 2023-06-26

Family

ID=67492650

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2021007063A MY197582A (en) 2019-05-28 2019-10-16 Superfine acicularly-structured structural steel and production method therefor

Country Status (3)

Country Link
CN (1) CN110106442A (en)
MY (1) MY197582A (en)
WO (1) WO2020237976A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110106442A (en) * 2019-05-28 2019-08-09 南京钢铁股份有限公司 A kind of ultra-fine acicular structure structural steel and its production method
CN113373386B (en) * 2021-05-22 2024-05-14 江苏铸鸿重工股份有限公司 Method for preparing Cr-Ni-Mo alloy steel ingot by utilizing scrap steel
CN115418459B (en) * 2022-08-26 2024-03-22 河钢股份有限公司 Production method of steel plate

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928088A (en) * 1973-11-09 1975-12-23 Carpenter Technology Corp Ferritic stainless steel
JPH0931606A (en) * 1995-07-14 1997-02-04 Hitachi Metals Ltd Corrosion resistant magnetic alloy
CN1323187C (en) * 2004-11-16 2007-06-27 武汉钢铁(集团)公司 Acicular constituent high strength weathering resistant steel and producing method thereof
CN100439545C (en) * 2006-03-27 2008-12-03 宝山钢铁股份有限公司 800 MPa level thick steel plate with high toughness and low yield ratio and its making process
KR100868423B1 (en) * 2006-12-26 2008-11-11 주식회사 포스코 High strength api-x80 grade steels for spiral pipes with less strength changes and method for manufacturing the same
CN101660108A (en) * 2009-10-16 2010-03-03 江苏省沙钢钢铁研究院有限公司 Non-quenched and tempered acicular structure high-strength low-yield-ratio weathering resistant steel and production method thereof
CN102021495A (en) * 2010-12-16 2011-04-20 马鞍山钢铁股份有限公司 420 MPa weatherproof bridge steel with high ductility and method for manufacturing hot rolled coil of 420 MPa weatherproof bridge steel with high ductility
JP5612532B2 (en) * 2011-04-26 2014-10-22 株式会社神戸製鋼所 Steel sheet excellent in low temperature toughness and weld joint fracture toughness and method for producing the same
CN102864291A (en) * 2012-09-25 2013-01-09 攀钢集团江油长城特殊钢有限公司 Method for controlling widmannstatten structures in steel
CN103343281B (en) * 2012-10-31 2016-10-05 钢铁研究总院 A kind of lamellar two-phase high-strength and high-toughness steel and preparation method thereof
CN103725956A (en) * 2013-12-26 2014-04-16 安阳钢铁股份有限公司 High-strength light-weight steel for dumper compartment and production method of steel
CN108070789B (en) * 2018-01-17 2020-04-03 山东钢铁集团日照有限公司 Ultrafine grain super-thick steel with yield strength not less than 480MPa and preparation method thereof
CN109762967B (en) * 2019-03-12 2021-03-12 南京钢铁股份有限公司 Corrosion-resistant ship flat bulb steel with excellent low-temperature toughness and manufacturing method thereof
CN110106442A (en) * 2019-05-28 2019-08-09 南京钢铁股份有限公司 A kind of ultra-fine acicular structure structural steel and its production method

Also Published As

Publication number Publication date
CN110106442A (en) 2019-08-09
WO2020237976A1 (en) 2020-12-03

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