KR870006227A - Manufacturing method of high strength wire rod for PC without heat treatment with excellent mechanical properties - Google Patents

Manufacturing method of high strength wire rod for PC without heat treatment with excellent mechanical properties Download PDF

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Publication number
KR870006227A
KR870006227A KR1019850010076A KR850010076A KR870006227A KR 870006227 A KR870006227 A KR 870006227A KR 1019850010076 A KR1019850010076 A KR 1019850010076A KR 850010076 A KR850010076 A KR 850010076A KR 870006227 A KR870006227 A KR 870006227A
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KR
South Korea
Prior art keywords
heat treatment
wire rod
manufacturing
mechanical properties
high strength
Prior art date
Application number
KR1019850010076A
Other languages
Korean (ko)
Other versions
KR890002614B1 (en
Inventor
유선준
이중복
강신왕
장경영
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 KR1019850010076A priority Critical patent/KR890002614B1/en
Publication of KR870006227A publication Critical patent/KR870006227A/en
Application granted granted Critical
Publication of KR890002614B1 publication Critical patent/KR890002614B1/en

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Classifications

    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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

Abstract

내용 없음No content

Description

기계적성질이 우수한 열처리 생략형 PC용 고장력 선재 제조법Manufacturing method of high strength wire rod for PC without heat treatment with excellent mechanical properties

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

제 1 도는 본 발명에 이용한 제어냉각설비의 평면개략도1 is a schematic plan view of the control cooling system used in the present invention

제 2 도는 본 발명강과 비교강의 전자현미경 조직사진2 is an electron micrograph of the present invention and comparative steel

Claims (1)

중량부 탄소:0.72∼0.98% 규소:0.12∼0.35% 망간:0.77∼0.82%인:0.023% 이하 황:0.01% 이하 크롬:0.10∼0.30% 나머지는 철과 분순물이 함유된 빌레트를 통상의 온도로 가열 압연후 800±10℃의 온도까지 급냉, 권취한후 냉각속도 5∼10℃/sec로 상온까지 냉각하여 대부분을 미세펄라이트 조직을 함유하는 것을 특징으로하는 열처리 생략형 PC강선용 고장력 선재 제조법Weight part Carbon: 0.72-0.98% Silicon: 0.12-0.35% Manganese: 0.77-0.82% Phosphorus: 0.023% or less Sulfur: 0.01% or less Chromium: 0.10-0.30% The remainder is a billet containing iron and impurities Method of manufacturing high tensile strength wire rod for heat treatment omitted PC steel wire, characterized in that it contains a fine pearlite structure by quenching and winding to a temperature of 800 ± 10 ° C. after heating and rolling to a room temperature at a cooling rate of 5 to 10 ° C./sec. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850010076A 1985-12-31 1985-12-31 Process for manufacturing of high tension wire rod for pc steel wire KR890002614B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850010076A KR890002614B1 (en) 1985-12-31 1985-12-31 Process for manufacturing of high tension wire rod for pc steel wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850010076A KR890002614B1 (en) 1985-12-31 1985-12-31 Process for manufacturing of high tension wire rod for pc steel wire

Publications (2)

Publication Number Publication Date
KR870006227A true KR870006227A (en) 1987-07-10
KR890002614B1 KR890002614B1 (en) 1989-07-20

Family

ID=19244592

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850010076A KR890002614B1 (en) 1985-12-31 1985-12-31 Process for manufacturing of high tension wire rod for pc steel wire

Country Status (1)

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KR (1) KR890002614B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100340498B1 (en) * 1997-09-18 2002-09-18 주식회사 포스코 A Method for Manufracturing a High Carbon Hard Steel Wire Rode Having Superior Anti-rust on its Surface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110238230B (en) * 2019-04-28 2020-09-29 江苏省沙钢钢铁研究院有限公司 Production method of wire rod for ultrahigh-strength diamond wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100340498B1 (en) * 1997-09-18 2002-09-18 주식회사 포스코 A Method for Manufracturing a High Carbon Hard Steel Wire Rode Having Superior Anti-rust on its Surface

Also Published As

Publication number Publication date
KR890002614B1 (en) 1989-07-20

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