KR870005104A - Manufacturing method of wire rod for high tension bolt - Google Patents

Manufacturing method of wire rod for high tension bolt Download PDF

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Publication number
KR870005104A
KR870005104A KR1019850008618A KR850008618A KR870005104A KR 870005104 A KR870005104 A KR 870005104A KR 1019850008618 A KR1019850008618 A KR 1019850008618A KR 850008618 A KR850008618 A KR 850008618A KR 870005104 A KR870005104 A KR 870005104A
Authority
KR
South Korea
Prior art keywords
wire rod
manufacturing
high tension
tension bolt
rolling
Prior art date
Application number
KR1019850008618A
Other languages
Korean (ko)
Other versions
KR890000665B1 (en
Inventor
이준범
Original Assignee
안병화
포항종합제철 주식회사
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 안병화, 포항종합제철 주식회사 filed Critical 안병화
Priority to KR1019850008618A priority Critical patent/KR890000665B1/en
Publication of KR870005104A publication Critical patent/KR870005104A/en
Application granted granted Critical
Publication of KR890000665B1 publication Critical patent/KR890000665B1/en

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Classifications

    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires

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

Abstract

내용 없음No content

Description

고장력 볼트용 선재의 제조방법Manufacturing method of wire rod for high tension bolt

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

본 발명의 성형성을 나타낸 도면.Figure showing the moldability of the present invention.

Claims (1)

C : 0.016-0.20%, Si : 0.16-0.20%, Mn : 1.10-1.30%, p 및 S : 각각 0.03%＆이하, Nb : 0.01-0.02% 및 불가피한 불순물을 함유한 강재를 가열로에서 1150℃ -1230℃로 가열한후 열간 압연시에 최종 사상압연 전(前)온도를 950℃-1040℃로 하고 압하량을 65% 이상으로 하여 최종 사상압연을 한후 895℃ -910℃에서 권취하여 6.5℃-7.5℃/Sec로 냉각시키는 것을 특징으로 하는 고장력 볼트용 선재의 제조방법.C: 0.016-0.20%, Si: 0.16-0.20%, Mn: 1.10-1.30%, p and S: 0.03% & below, Nb: 0.01-0.02% and steel containing inevitable impurities in a heating furnace at 1150 ° C After heating to -1230 ℃, during hot rolling, the final pre-rolling temperature is 950 ℃ -1040 ℃ and the final reduction rolling with 65% or more reduction, followed by winding at 895 ℃ -910 ℃ to 6.5 ℃ Method for producing a high-strength bolt wire rod, characterized in that cooled to -7.5 ℃ / Sec. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850008618A 1985-11-18 1985-11-18 Process of the wire rod for high tension bolt KR890000665B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850008618A KR890000665B1 (en) 1985-11-18 1985-11-18 Process of the wire rod for high tension bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850008618A KR890000665B1 (en) 1985-11-18 1985-11-18 Process of the wire rod for high tension bolt

Publications (2)

Publication Number Publication Date
KR870005104A true KR870005104A (en) 1987-06-04
KR890000665B1 KR890000665B1 (en) 1989-03-22

Family

ID=19243707

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850008618A KR890000665B1 (en) 1985-11-18 1985-11-18 Process of the wire rod for high tension bolt

Country Status (1)

Country Link
KR (1) KR890000665B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690942B1 (en) * 2004-04-14 2007-03-09 유겐가이샤 마코토 오리사키 인타와쿠스 겐큐쇼 File
US9073379B2 (en) 2008-08-08 2015-07-07 R.R. Donnelley & Sons Company Tabbed file folder with corner retention elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690942B1 (en) * 2004-04-14 2007-03-09 유겐가이샤 마코토 오리사키 인타와쿠스 겐큐쇼 File
US9073379B2 (en) 2008-08-08 2015-07-07 R.R. Donnelley & Sons Company Tabbed file folder with corner retention elements

Also Published As

Publication number Publication date
KR890000665B1 (en) 1989-03-22

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