PE20151986A1 - Placa de acero resistente a abrasion que tiene excelente tenacidad a baja temperatura y resistencia a fragilizacion por hidrogeno y metodo para fabricar la misma - Google Patents

Placa de acero resistente a abrasion que tiene excelente tenacidad a baja temperatura y resistencia a fragilizacion por hidrogeno y metodo para fabricar la misma

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Publication number
PE20151986A1
PE20151986A1 PE2015002070A PE2015002070A PE20151986A1 PE 20151986 A1 PE20151986 A1 PE 20151986A1 PE 2015002070 A PE2015002070 A PE 2015002070A PE 2015002070 A PE2015002070 A PE 2015002070A PE 20151986 A1 PE20151986 A1 PE 20151986A1
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PE
Peru
Prior art keywords
less
resistance
low temperature
hydrogen
fragilization
Prior art date
Application number
PE2015002070A
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English (en)
Inventor
Akihide Nagao
Shinichi Miura
Nobuyuki Ishikawa
Original Assignee
Jfe Steel Corp
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Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of PE20151986A1 publication Critical patent/PE20151986A1/es

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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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
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    • C21D6/00—Heat treatment of ferrous alloys
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
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    • 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
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    • C21—METALLURGY OF IRON
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    • 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
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    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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    • 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
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • 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
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    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • 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
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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    • 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
    • C21D2211/004—Dispersions; Precipitations
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    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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

Abstract

La invencion proporciona placas de acero resistentes a abrasion con excelente tenacidad a baja temperatura y resistencia a fragilizacion por hidrogeno y metodos de fabricacion, la placa incluye liston martensitico con tamano de grano promedio de no mas de 20 µm, este es el tamano de grano promedio de los granos de cristal rodeados por limites de grano de alto angulo (diferencia de orientacion de 15° o mas), tiene precipitados finos de 50 nm o menos en diametro con una densidad de 50 o mas particulas por 100 µm², y tiene una dureza Brinell (HBW10/3000) de 401 o mas y un grosor de placa de 6 a 125 mm. El acero se moldea, lamina, vuelve a calentar a Ac3 o por encima, y posteriormente se detiene enfriando con agua desde una temperatura no menor a Ar3 hasta una temperatura no mayor a 250° C, el acero tiene, en % de masa, C: 0,20 a 0,30%, Si: 0,05 a 0,5%, Mn: 0,5 a 1,5%, Cr: 0,05 a 1,20%, Nb: 0,01 a 0,08%, B: 0,0005 a 0,003%, A1: 0,01 a 0,08%, N: 0,0005 a 0,008%, P: no mas de 0,05%, S: no mas de 0,005%, O: no mas de 0,008%, y opcionalmente uno, o dos o mas de Mo, V, Ti, Nd, Cu, Ni, W, Ca, Mg y REM, y satisface 0,03 menor o igual a Nb+Ti+Al+V menor o igual a 0,14, siendo el resto Fe e impurezas inevitables. Cuando es necesario, involucra recalentar a 1100°C o por encima, controlar la reduccion del laminado en una region no cristralizada a no menos de 30%, enfriar con agua hasta no mas de 250°C, y controlar el indice de recalentamiento al punto Ac3 o por encima a no menos de 1°C/s
PE2015002070A 2013-03-28 2014-03-19 Placa de acero resistente a abrasion que tiene excelente tenacidad a baja temperatura y resistencia a fragilizacion por hidrogeno y metodo para fabricar la misma PE20151986A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013069932A JP6235221B2 (ja) 2013-03-28 2013-03-28 低温靭性および耐水素脆性を有する耐磨耗厚鋼板およびその製造方法

Publications (1)

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PE20151986A1 true PE20151986A1 (es) 2016-01-13

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PE2015002070A PE20151986A1 (es) 2013-03-28 2014-03-19 Placa de acero resistente a abrasion que tiene excelente tenacidad a baja temperatura y resistencia a fragilizacion por hidrogeno y metodo para fabricar la misma

Country Status (13)

Country Link
US (1) US10253385B2 (es)
EP (1) EP2942415B1 (es)
JP (1) JP6235221B2 (es)
KR (1) KR20150119116A (es)
CN (2) CN107227426B (es)
AU (1) AU2014245634B2 (es)
BR (1) BR112015020012B1 (es)
CL (1) CL2015002876A1 (es)
MX (1) MX2015013577A (es)
MY (1) MY196505A (es)
PE (1) PE20151986A1 (es)
RU (1) RU2627826C2 (es)
WO (1) WO2014156078A1 (es)

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JP6350340B2 (ja) * 2015-03-04 2018-07-04 Ｊｆｅスチール株式会社 耐摩耗鋼板およびその製造方法
CN104711480B (zh) * 2015-03-20 2017-01-18 苏州劲元油压机械有限公司 一种货架平台专用耐磨抗腐蚀钢板及其制备方法
JP6299885B2 (ja) * 2015-09-17 2018-03-28 Ｊｆｅスチール株式会社 高圧水素ガス中の耐水素脆化特性に優れた水素用鋼構造物およびその製造方法
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JP6119933B1 (ja) 2016-04-19 2017-04-26 Ｊｆｅスチール株式会社 耐摩耗鋼板および耐摩耗鋼板の製造方法
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JP6540764B2 (ja) * 2016-09-16 2019-07-10 Ｊｆｅスチール株式会社 耐摩耗鋼板およびその製造方法
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