KR940019876A - 제어 압연에 의한 저탄소 당량의 압연강 형상 제조 방법 - Google Patents

제어 압연에 의한 저탄소 당량의 압연강 형상 제조 방법 Download PDF

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Publication number
KR940019876A
KR940019876A KR1019940000556A KR19940000556A KR940019876A KR 940019876 A KR940019876 A KR 940019876A KR 1019940000556 A KR1019940000556 A KR 1019940000556A KR 19940000556 A KR19940000556 A KR 19940000556A KR 940019876 A KR940019876 A KR 940019876A
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South Korea
Prior art keywords
rolling
flange
steel
rolling step
surface layer
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KR1019940000556A
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English (en)
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KR970001407B1 (ko
Inventor
고이찌 야마모또
야스시 다께시마
아끼라 이나가끼
나오끼 오다
Original Assignee
다나까 미노루
신니뽄 세이데쯔 가부시끼가이샤
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Publication of KR940019876A publication Critical patent/KR940019876A/ko
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Publication of KR970001407B1 publication Critical patent/KR970001407B1/ko

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    • 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
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/088—H- or I-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B2045/0221—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for structural sections, e.g. H-beams
    • 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
    • C21D2221/00—Treating localised areas of an article
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
    • H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
    • H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
    • H01L2224/29001—Core members of the layer connector
    • H01L2224/29099—Material
    • H01L2224/2919—Material with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/06—Polymers
    • H01L2924/0665—Epoxy resin

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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)
  • Metal Rolling (AREA)
  • Control Of Heat Treatment Processes (AREA)

Abstract

거친 압연 단계, 중간 압연 단계, 마무리 압연 단계를 포함하는 압연 공정에 의해 플랜지부를 가지는 강의 제조 방법에 있어서, 강괴를 1100 내지 1300℃의 온도 범위를 가열하는 단계와, 가열 강괴를 거친 압연강으로 거친 압연하는 단계와, 750℃보다 높지 않은 온도로 플랜지의 표면층을 냉각하도록 중간 압연 단계내의 압연 통로사이에서 절단된 거친 압연 강의 플랜지부를 수냉하고, 전체 압하량이 20%보다 낮지 않고 평균 압연 온도가 950℃보다 높지 않은 압연 통로사이에 적어도 한번 플랜지의 표면층의 표면층의 복열동안 플랜지부를 압연하는 단계와, 마무리 압연 단계후 플랜지의 두께에 따라 0.5 내지 10℃/sec 범위의 냉각 속도로 플랜지부의 외면을 냉각하는 단계를 포함한다. 또한, 강의 탄소 당량이 제어된다.

Description

제어 압연에 의한 저탄소 당얄의 압연강 형상 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 방법을 실행하기 위한 장치의 개략도,
제2도는 H비임의 단면 외형과 기계적 성질을 측정하기 위한 테스트 샘플의 위치를 도시하는 설명도.

Claims (3)

  1. 거친 압연 단계, 중간 압연 단계, 마무리 압연 단계를 포함하는 압연 공정에 의해 플랜지부를 가지는 강의 제조 방법에 있어서, (1) 강괴를 1100 내지 1300℃의 온도 범위로 가열하는 단계와, (2) 가열 강괴를 거친 압연강으로 거친 압연하는 단계와, (3) 750℃보다 높지 않은 온도로 플랜지의 표면층을 냉각하도록 중간 압연 단계내의 압연 통로사이에서 절단된 거친 압연 강의 플랜지부를 수냉하고, 전체 압하량이 20%보다 낮지 않고 평균 압연 온도가 950℃보다 높지 않은 압연 통로사이에 적어도 한번 플랜지의 표면층의 표면층의 복열동안 플랜지부를 압연하는 단계와, (4) 마무리 압연 단계후 플랜지의 두께에 따라 0.5 내지 10℃/sec 범위의 냉각 속도로 플랜지부의 외면을 냉각하는 단계를 포함하는 것을 특징으로 하는 강의 제조 방법.
  2. 제1항에 있어서, 상기 강괴는 SM400강으로 제공되고 0.21 내지 0.25% 범위의 탄소 당량을 가지는 것을 특징으로 하는 강의 제조 방법.
  3. 제1항에 있어서, 상기 강괴는 SM490강으로 제공되고 0.29 내지 0.37% 범위의 탄소 당량을 가지는 것을 특징으로 하는 강의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940000556A 1993-02-04 1994-01-14 제어 압연에 의한 저 탄소 당량의 압연강 형상 제조 방법 KR970001407B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-17491 1993-02-04
JP5017491A JP2837056B2 (ja) 1993-02-04 1993-02-04 制御圧延による低炭素当量圧延形鋼の製造方法

Publications (2)

Publication Number Publication Date
KR940019876A true KR940019876A (ko) 1994-09-15
KR970001407B1 KR970001407B1 (ko) 1997-02-06

Family

ID=11945480

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940000556A KR970001407B1 (ko) 1993-02-04 1994-01-14 제어 압연에 의한 저 탄소 당량의 압연강 형상 제조 방법

Country Status (6)

Country Link
US (1) US5738739A (ko)
EP (1) EP0609556B1 (ko)
JP (1) JP2837056B2 (ko)
KR (1) KR970001407B1 (ko)
CA (1) CA2102545C (ko)
DE (1) DE69327091T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100421733B1 (ko) * 1998-12-24 2004-05-20 주식회사 포스코 탄산가스아크용접봉용선재제조방법

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743972A (en) * 1995-08-29 1998-04-28 Kawasaki Steel Corporation Heavy-wall structural steel and method
JP3873540B2 (ja) * 1999-09-07 2007-01-24 Ｊｆｅスチール株式会社 高生産性・高強度圧延ｈ形鋼の製造方法
JP4231226B2 (ja) * 2000-04-04 2009-02-25 新日本製鐵株式会社 圧延ｈ形鋼の製造方法
KR101355769B1 (ko) * 2012-01-31 2014-01-28 현대제철 주식회사 가속 냉각이 가능한 열간 압연설비
CN103056175B (zh) * 2012-12-21 2014-12-17 山西新泰钢铁有限公司 一种热轧h型钢翼缘选择冷却控制方法
EP3483294B1 (en) * 2016-08-29 2022-02-16 Nippon Steel Corporation Rolled h-shaped steel and manufacturing method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57127501A (en) * 1981-01-29 1982-08-07 Nippon Kokan Kk <Nkk> Rolling method for wide flange beam
JPS62253721A (ja) * 1986-04-26 1987-11-05 Nippon Kokan Kk <Nkk> 靭性および強度の優れた薄肉ｈ型鋼の製造方法
JPH0616895B2 (ja) * 1989-07-25 1994-03-09 新日本製鐵株式会社 薄肉ウエブｈ形鋼の冷却方法およびその装置
JPH075962B2 (ja) * 1990-03-26 1995-01-25 新日本製鐵株式会社 薄肉ウエブｈ形鋼の製造方法
JPH04103720A (ja) * 1990-08-21 1992-04-06 Kawasaki Steel Corp 形状の良好なｈ形鋼の製造方法
JP2865843B2 (ja) * 1990-10-03 1999-03-08 川崎製鉄株式会社 強度・靭性に優れるフィレット部を有するｈ形鋼の製造方法
JPH0696746B2 (ja) * 1990-10-16 1994-11-30 川崎製鉄株式会社 形鋼の製造方法
JP2533250B2 (ja) * 1991-05-23 1996-09-11 新日本製鐵株式会社 加工性に優れた低降伏比薄肉ウェブｈ形鋼の製造方法
JPH05329521A (ja) * 1992-06-01 1993-12-14 Kawasaki Steel Corp Ｈ形鋼圧延方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100421733B1 (ko) * 1998-12-24 2004-05-20 주식회사 포스코 탄산가스아크용접봉용선재제조방법

Also Published As

Publication number Publication date
CA2102545A1 (en) 1994-08-05
JP2837056B2 (ja) 1998-12-14
DE69327091T2 (de) 2000-07-06
EP0609556A2 (en) 1994-08-10
CA2102545C (en) 1998-04-21
EP0609556A3 (en) 1996-09-04
US5738739A (en) 1998-04-14
KR970001407B1 (ko) 1997-02-06
DE69327091D1 (de) 1999-12-30
EP0609556B1 (en) 1999-11-24
JPH06228634A (ja) 1994-08-16

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