KR101366375B1 - 내지연 파괴 특성이 우수한 고강도 강재와 고강도 볼트 및 그 제조 방법 - Google Patents

내지연 파괴 특성이 우수한 고강도 강재와 고강도 볼트 및 그 제조 방법 Download PDF

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KR101366375B1
KR101366375B1 KR1020127010100A KR20127010100A KR101366375B1 KR 101366375 B1 KR101366375 B1 KR 101366375B1 KR 1020127010100 A KR1020127010100 A KR 1020127010100A KR 20127010100 A KR20127010100 A KR 20127010100A KR 101366375 B1 KR101366375 B1 KR 101366375B1
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steel
less
mass
bolt
delayed fracture
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KR1020127010100A
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KR20120056879A (ko
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다이스께 히라까미
데쯔시 치다
도시미 다루이
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신닛테츠스미킨 카부시키카이샤
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    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
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  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020127010100A 2010-03-11 2011-03-11 내지연 파괴 특성이 우수한 고강도 강재와 고강도 볼트 및 그 제조 방법 KR101366375B1 (ko)

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JPJP-P-2010-054649 2010-03-11
JP2010054649 2010-03-11
PCT/JP2011/056481 WO2011111872A1 (ja) 2010-03-11 2011-03-11 耐遅れ破壊特性に優れた高強度鋼材と高強度ボルト、及び、その製造方法

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KR20120056879A KR20120056879A (ko) 2012-06-04
KR101366375B1 true KR101366375B1 (ko) 2014-02-24

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US (1) US20120247618A1 (zh)
EP (1) EP2546379B1 (zh)
JP (1) JP5177323B2 (zh)
KR (1) KR101366375B1 (zh)
CN (1) CN102812145A (zh)
IN (1) IN2012DN05089A (zh)
WO (1) WO2011111872A1 (zh)

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NL2011269C2 (en) * 2013-08-05 2015-02-09 Onderzoekscentrum Voor Aanwending Van Staal N V Structure for use in a corrosive environment.
JP6422176B2 (ja) * 2014-08-29 2018-11-14 日産自動車株式会社 高強度ボルト用鋼及び高強度ボルト
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JP2019124481A (ja) * 2018-01-12 2019-07-25 株式会社神戸製鋼所 残留応力測定方法
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