KR960021227A - 피씨(pc) 강선용 선재 제조방법 - Google Patents

피씨(pc) 강선용 선재 제조방법 Download PDF

Info

Publication number
KR960021227A
KR960021227A KR1019940036816A KR19940036816A KR960021227A KR 960021227 A KR960021227 A KR 960021227A KR 1019940036816 A KR1019940036816 A KR 1019940036816A KR 19940036816 A KR19940036816 A KR 19940036816A KR 960021227 A KR960021227 A KR 960021227A
Authority
KR
South Korea
Prior art keywords
steel
wire
weight
steel wire
producing
Prior art date
Application number
KR1019940036816A
Other languages
English (en)
Other versions
KR0143498B1 (ko
Inventor
남원종
최점용
강신왕
Original Assignee
김만제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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 김만제, 포항종합제철 주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김만제
Priority to KR1019940036816A priority Critical patent/KR0143498B1/ko
Publication of KR960021227A publication Critical patent/KR960021227A/ko
Application granted granted Critical
Publication of KR0143498B1 publication Critical patent/KR0143498B1/ko

Links

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
    • 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
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires 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
    • 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
    • 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
    • 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
    • C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • 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
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

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

Abstract

본 발명은 표면탈탄 및 용접작업성에 유해한 화학성분인 실리콘을 감소시킨 강에 바나듐을 적절히 첨가하여 용접성뿐만 아니라 응력이완특성이 고장력 PC강선용 선재를 제조하는 방법을 제공하고자 하는데, 그 목적이 있다.
상기 목적달성을 위한 본 발명은 PC강선용 선재의 제조방법에 있어서, 중량%로, C : 0.20~0.40%, Si : 0.5~1.5%, Mn : 0.1~1.0%, P : 0.005% 이하, S : 0.005% 이하, V : 0.005~0.5%, B : 0.0005~0.005%, Ti : 0.01~0.06%, 잔부 Fe 및 기타 불가피한 불수물로 조정되는 강을 통상의 방법으로 열간 압연한 다음, 소입후 350℃ 이상의 온도에서 소려함을 포함하여 구성됨을 특징으로 하는 PC강선용 선재의 제조방법 특허청구 제1항의 강 조성에 Cr:0.05~0.8중량%, 및 Mo:0.05~0.5중량%를 1종 또는 2종 첨가하여 조성된 강을 통상의 방법으로 열간압연한 다음, 소입후 350℃ 이상의 온도에서 소려함을 포함하여 구성되는 PC강선용 선재의 제조방법에 관한 것을 그 요지로 한다.

Description

피씨(PC) 강선용 선재 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 발명재와 비교재를 소입후 소려온도에 따른 항복강도변화를 나타낸 그래프,
제2도는 발명재와 비교재를 소입후 소려온도에 따른 인장강도변화를 나타낸 그래프.

Claims (3)

  1. PC강선용 선재의 제조방법에 있어서, 중량%로, C:0.20~0.40%, Si:0.5~1.5%, Mn:0.1~1.0%, P:0.005% 이하, S:0.005% 이하, V:0.005~0.5%, B:0.0005~0.005%, Ti:0.01~0.06%, 잔부 Fe 및 기타 불가피한 불순물로 조정되는 강을 통상의 방법으로 열간압연한 다음, 소입후 350℃ 이상의 온도에서 소려함을 포함하여 구성됨을 특징으로 하는 PC강선용 선재의 제조방법.
  2. 특허청구 제1항의 강 조성에 Cr:0.05~0.8중량%, 및 Mo:0.05~0.5중량%를 1종 또는 2종 첨가하여 조성된 강을 통상의 방법으로 열간압연한 다음, 소입후 350℃ 이상의 온도에서 소려함을 포함하여 구성됨을특징으로 하는 PC강선용 선재의 제조방법.
  3. 특허청구 제2항의 강 조성에 Ni:1.0~4.0중량% 및 Cu:0.010~0.5중량%를 첨가하여 조성된 강을 통상의 방법으로 열간압연한 다음, 소입후 350℃이상의 온도에서 소려함을 포함하여 구성됨을 특징으로 하는 PC강선용 선재의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940036816A 1994-12-26 1994-12-26 피씨 강선용 선재 제조방법 KR0143498B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940036816A KR0143498B1 (ko) 1994-12-26 1994-12-26 피씨 강선용 선재 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940036816A KR0143498B1 (ko) 1994-12-26 1994-12-26 피씨 강선용 선재 제조방법

Publications (2)

Publication Number Publication Date
KR960021227A true KR960021227A (ko) 1996-07-18
KR0143498B1 KR0143498B1 (ko) 1998-08-17

Family

ID=19403542

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940036816A KR0143498B1 (ko) 1994-12-26 1994-12-26 피씨 강선용 선재 제조방법

Country Status (1)

Country Link
KR (1) KR0143498B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775252B1 (ko) * 2001-12-26 2007-11-12 주식회사 포스코 Ｃｕ함유 고강도 콘크리트 보강용 선재의 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775252B1 (ko) * 2001-12-26 2007-11-12 주식회사 포스코 Ｃｕ함유 고강도 콘크리트 보강용 선재의 제조방법

Also Published As

Publication number Publication date
KR0143498B1 (ko) 1998-08-17

Similar Documents

Publication Publication Date Title
KR870002282A (ko) 가공성이 우수하고 용접연화가 없는 고강도 스테인레스 강재의 제조 방법
KR960034448A (ko) 인성이 우수한 저항복비 고강도 열연강판 및 그 제조방법
KR950704521A (ko) 피로강도, 항복강도 및 피삭성이 우수한 열간단조용 강의 제조방법(Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability)
KR930013189A (ko) 저항복비 고강도 열연강판 및 그의 제조방법
KR830009235A (ko) 고연성, 고강도 선재, 봉강의 제조법
EP0867522A3 (en) High toughness heat-resistant steel, turbine rotor and method of producing the same
KR840001640A (ko) 내지연 파쇄성이 우수한 고인장, 고인성강 및 이의 제조방법
KR970027343A (ko) 베이나이트 조직을 갖는 단조품 제조용 강과. 단조품의 제조방법. 및 그에 따른 단조품
KR920004598A (ko) 프레스성형으로 적합한 고장력 강판 및 그 제조방법
US5217544A (en) Process for the production of a stainless steel with martensite ferrite two-phase structure and steel obtained by the process
KR940021748A (ko) 고강도, 고인성 스텐레스 강판 및 그 제조방법
US3336168A (en) Weldable tough steel essentially composed of chromium and manganese and method of manufacturing the same
KR960021227A (ko) 피씨(pc) 강선용 선재 제조방법
US3834948A (en) Ductile,weldable high-strength-steel wire and method for producing same
GB2055122A (en) Austenitic corrosion-resistant steels
US4060431A (en) Heat-treatable steel
KR920012498A (ko) 내응력부식균열성이 우수한 용접용 강재의 제조방법
JPH0717944B2 (ja) バネ特性のすぐれたベイナイト鋼板の製造法
JPS6358892B2 (ko)
KR890010234A (ko) 강도, 내마모성 및 내식성이 우수한 고장력강 제조방법
JPH04120249A (ja) マルテンサイト系ステンレス鋼とその製造法
KR100328038B1 (ko) 고강도강선의제조방법
KR100285647B1 (ko) 연성이 우수한 저탄소 고강도 강선의 제조방법
JPH0533283B2 (ko)
JPH0229727B2 (ja) Dorirukaraayobokonoseizohoho

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20090410

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee