TWI297732B - 490mpa grade high strength weldable structural steel having excellent in high temperature strength - Google Patents

490mpa grade high strength weldable structural steel having excellent in high temperature strength Download PDF

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Publication number
TWI297732B
TWI297732B TW094124502A TW94124502A TWI297732B TW I297732 B TWI297732 B TW I297732B TW 094124502 A TW094124502 A TW 094124502A TW 94124502 A TW94124502 A TW 94124502A TW I297732 B TWI297732 B TW I297732B
Authority
TW
Taiwan
Prior art keywords
steel
temperature
strength
less
toughness
Prior art date
Application number
TW094124502A
Other languages
English (en)
Chinese (zh)
Other versions
TW200606260A (en
Inventor
Yasushi Mizutani
Yoshiyuki Watanabe
Ryuuji Uemori
Tatsuya Kumagai
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of TW200606260A publication Critical patent/TW200606260A/zh
Application granted granted Critical
Publication of TWI297732B publication Critical patent/TWI297732B/zh

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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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
TW094124502A 2004-07-21 2005-07-20 490mpa grade high strength weldable structural steel having excellent in high temperature strength TWI297732B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004213511A JP4864297B2 (ja) 2004-07-21 2004-07-21 高温強度に優れた溶接構造用４９０ＭＰａ級高張力鋼ならびにその製造方法

Publications (2)

Publication Number Publication Date
TW200606260A TW200606260A (en) 2006-02-16
TWI297732B true TWI297732B (en) 2008-06-11

Family

ID=35655876

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094124502A TWI297732B (en) 2004-07-21 2005-07-20 490mpa grade high strength weldable structural steel having excellent in high temperature strength

Country Status (6)

Country Link
US (1) US20060016526A1 (fr)
EP (1) EP1790749A1 (fr)
JP (1) JP4864297B2 (fr)
CN (1) CN1989264A (fr)
TW (1) TWI297732B (fr)
WO (1) WO2006009091A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008002055A1 (fr) * 2006-06-29 2008-01-03 Lg Electronics Inc. Pâte, procédé de fabrication d'écran plasma utilisant ladite pâte et écran plasma
JP4673822B2 (ja) 2006-11-14 2011-04-20 新日本製鐵株式会社 溶接継手部の靱性に優れた耐火鋼材及びその製造方法
JP4858221B2 (ja) * 2007-02-22 2012-01-18 住友金属工業株式会社 耐延性き裂発生特性に優れる高張力鋼材
DE102007061084A1 (de) * 2007-12-19 2009-07-02 Federal-Mogul Sealing Systems Gmbh Metallische Flachdichtung und Herstellverfahren
CN101613840B (zh) * 2008-06-23 2011-03-30 宝山钢铁股份有限公司 强韧性匹配及高温性能优良的特厚钢板及其制造方法
JP5743382B2 (ja) * 2009-03-19 2015-07-01 Ｊｆｅスチール株式会社 耐震性構造物用鋼材及びその製造方法
KR101130013B1 (ko) * 2009-03-26 2012-03-26 현대제철 주식회사 고장력 열연강판 및 그 제조방법
CN102089452A (zh) * 2009-05-15 2011-06-08 新日本制铁株式会社 软氮化用钢和软氮化处理部件
CN101775561B (zh) * 2010-03-19 2012-07-11 江苏省沙钢钢铁研究院有限公司 低屈强比高强度厚板及其制备工艺
CN101857939A (zh) * 2010-06-13 2010-10-13 攀钢集团钢铁钒钛股份有限公司 高强高韧低合金结构带钢及生产方法
US9493864B2 (en) * 2013-03-15 2016-11-15 Am/Ns Calvert Llc Line pipe steels and process of manufacturing
CN103643156B (zh) * 2013-11-21 2016-05-11 江苏天舜金属材料集团有限公司 一种630MPa级以上高强钢筋及其钢筋混凝土应用方法
CN107190203B (zh) * 2017-05-31 2019-07-23 武汉钢铁有限公司 用薄板坯直接轧制的屈服强度≥800MPa热轧薄板及生产方法
CN109487153B (zh) * 2017-09-11 2021-01-08 上海梅山钢铁股份有限公司 一种抗拉强度440MPa级高扩孔热轧酸洗钢板
CN110129539B (zh) * 2019-05-31 2021-03-23 东北大学 一种500MPa级海洋工程用H型钢的生产工艺
CN110699594B (zh) * 2019-10-30 2021-06-04 攀钢集团攀枝花钢铁研究院有限公司 半钢低成本冶炼if钢的方法
CN112746158A (zh) * 2019-12-30 2021-05-04 宝钢湛江钢铁有限公司 低成本、高止裂及高焊接性YP460MPa级厚钢板及其制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2760191B2 (ja) * 1991-12-20 1998-05-28 住友金属工業株式会社 高温強度特性に優れる鉄骨建築用高耐候性鋼材の製造方法
JP3417878B2 (ja) * 1999-07-02 2003-06-16 株式会社神戸製鋼所 伸びフランジ性および疲労特性に優れた高強度熱延鋼板およびその製法
CN101082105A (zh) * 2002-03-29 2007-12-05 新日本制铁株式会社 高温强度优异的高强度钢及其制造方法
JP4348102B2 (ja) * 2002-05-20 2009-10-21 新日本製鐵株式会社 高温強度に優れた４９０ＭＰａ級高張力鋼ならびにその製造方法
JP7056044B2 (ja) * 2017-09-11 2022-04-19 コニカミノルタ株式会社 用紙処理装置、画像形成システム及びプログラム

Also Published As

Publication number Publication date
CN1989264A (zh) 2007-06-27
TW200606260A (en) 2006-02-16
JP4864297B2 (ja) 2012-02-01
JP2006028628A (ja) 2006-02-02
EP1790749A1 (fr) 2007-05-30
US20060016526A1 (en) 2006-01-26
WO2006009091A1 (fr) 2006-01-26

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