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AR118070A1 - STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT - Google Patents

STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT

Info

Publication number
AR118070A1
AR118070A1 ARP200100384A ARP200100384A AR118070A1 AR 118070 A1 AR118070 A1 AR 118070A1 AR P200100384 A ARP200100384 A AR P200100384A AR P200100384 A ARP200100384 A AR P200100384A AR 118070 A1 AR118070 A1 AR 118070A1
Authority
AR
Argentina
Prior art keywords
less
steel material
agri
environment
material suitable
Prior art date
Application number
ARP200100384A
Other languages
Spanish (es)
Inventor
Yuji Arai
Shinji Yoshida
Nobuaki Komatsubara
Taro Oe
Atsushi Soma
Yohei Otome
Hiroki Kamitani
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 AR118070A1 publication Critical patent/AR118070A1/en

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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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • 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
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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
    • 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
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
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    • 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
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    • 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
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    • C21D6/00—Heat treatment of ferrous alloys
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    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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    • 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
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    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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    • C—CHEMISTRY; METALLURGY
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    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
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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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

Un material de acero que tiene límite elástico de grado 110 ksi y excelente resistencia a la SSC. Un material de acero de acuerdo con la presente divulgación tiene una composición química que consiste de, en % en masa: C: 0.20 a 0.45%, Si: 0.05 a 1.00%, Mn: 0.01 a 1.00%, P: 0.030% o menos, S: 0.0050% o menos, Al: 0.005 a 0.100%, Cr: 0.60 a 1.50%, Mo: más de 1.00 a 2.00%, Ti: 0.002 a 0.020%, V: 0.05 a 0.30%, Nb: 0.005 a 0.100%, B: 0.0005 a 0.0040%, N: 0.0100% o menos, O: menos de 0.0020%, y siendo el balance Fe e impurezas, y satisfaciendo la fórmula (1) descrita en la memoria descriptiva. Un diámetro de grano de un grano de austenita primaria es de 11.0 mm o menos, y un área promedio de precipitado que precipita en un límite de grano de austenita primaria es de 10.0 ´ 10⁻³ mm² o menos. Un límite elástico es de 758 a 862 MPa.A steel material that has a yield strength of 110 ksi grade and excellent resistance to SSC. A steel material according to the present disclosure has a chemical composition consisting of, in mass%: C: 0.20 to 0.45%, Si: 0.05 to 1.00%, Mn: 0.01 to 1.00%, P: 0.030% or less , S: 0.0050% or less, Al: 0.005 to 0.100%, Cr: 0.60 to 1.50%, Mo: more than 1.00 to 2.00%, Ti: 0.002 to 0.020%, V: 0.05 to 0.30%, Nb: 0.005 to 0.100 %, B: 0.0005 to 0.0040%, N: 0.0100% or less, O: less than 0.0020%, and the balance being Fe and impurities, and satisfying the formula (1) described in the specification. A grain diameter of a primary austenite grain is 11.0 mm or less, and an average area of precipitate that precipitates at a primary austenite grain boundary is 10.0 ´ 10⁻³ mm² or less. A yield strength is 758 to 862 MPa.

ARP200100384A 2019-02-15 2020-02-12 STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT AR118070A1 (en)

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US (1) US20220098712A1 (en)
EP (1) EP3926059A4 (en)
JP (1) JP7036237B2 (en)
AR (1) AR118070A1 (en)
BR (1) BR112021013441A2 (en)
MX (1) MX2021009588A (en)
WO (1) WO2020166668A1 (en)

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Publication number Priority date Publication date Assignee Title
AR118071A1 (en) * 2019-02-15 2021-09-15 Nippon Steel Corp STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT
WO2023195495A1 (en) * 2022-04-06 2023-10-12 日本製鉄株式会社 Steel material
JP7712598B1 (en) * 2024-03-06 2025-07-24 日本製鉄株式会社 steel material
WO2025211036A1 (en) * 2024-04-01 2025-10-09 日本製鉄株式会社 Steel material

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