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KR870006207A - Manufacturing method of tungsten (W) -containing mechanical structural steel with excellent impact toughness - Google Patents

Manufacturing method of tungsten (W) -containing mechanical structural steel with excellent impact toughness Download PDF

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Publication number
KR870006207A
KR870006207A KR1019850010074A KR850010074A KR870006207A KR 870006207 A KR870006207 A KR 870006207A KR 1019850010074 A KR1019850010074 A KR 1019850010074A KR 850010074 A KR850010074 A KR 850010074A KR 870006207 A KR870006207 A KR 870006207A
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KR
South Korea
Prior art keywords
manufacturing
excellent impact
impact toughness
tungsten
structural steel
Prior art date
Application number
KR1019850010074A
Other languages
Korean (ko)
Other versions
KR890002612B1 (en
Inventor
이덕락
이근수
박완희
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.)
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Publication date
Application filed by 안병화, 포항종합제철 주식회사 filed Critical 안병화
Priority to KR1019850010074A priority Critical patent/KR890002612B1/en
Publication of KR870006207A publication Critical patent/KR870006207A/en
Application granted granted Critical
Publication of KR890002612B1 publication Critical patent/KR890002612B1/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
    • 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
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips

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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

충격인성이 우수한 텅스텐(W)함유 기계 구조용 강의 제조법Manufacturing method of tungsten (W) -containing mechanical structural steel with excellent impact toughness

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

Claims (1)

중량%로, C : 0.38∼0.43%, Si : 0.15∼0.35%, Mn : 0.6∼1.2%, P : 0.03% 이하, S : 0.03% 이하, Cr : 0.90∼1.20%, W : 0.20∼0.45%, 잔부 : Fe 및 불가피한 불순물로 구성된 강을 출발소재로하여 열간압연 및 소입과 소려 등의 열처리를 0.4%C의 Cr-Mo 기계구조용 강의 조건 범위에서 실시하는 것을 특징으로 하는 충격인성이 우수한 W함유 기계구조용 강의 제조방법.By weight%, C: 0.38 to 0.43%, Si: 0.15 to 0.35%, Mn: 0.6 to 1.2%, P: 0.03% or less, S: 0.03% or less, Cr: 0.90 to 1.20%, W: 0.20 to 0.45% , Balance: W-containing excellent impact toughness, characterized in that the steel is composed of Fe and unavoidable impurities as a starting material, and the heat treatment such as hot rolling, quenching and thinning is performed in the conditions of 0.4% C Cr-Mo mechanical structural steel. Method for manufacturing steel for machine structure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850010074A 1985-12-31 1985-12-31 Process for manufacturing steel of structure having a good tungsten KR890002612B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850010074A KR890002612B1 (en) 1985-12-31 1985-12-31 Process for manufacturing steel of structure having a good tungsten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850010074A KR890002612B1 (en) 1985-12-31 1985-12-31 Process for manufacturing steel of structure having a good tungsten

Publications (2)

Publication Number Publication Date
KR870006207A true KR870006207A (en) 1987-07-10
KR890002612B1 KR890002612B1 (en) 1989-07-20

Family

ID=19244588

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850010074A KR890002612B1 (en) 1985-12-31 1985-12-31 Process for manufacturing steel of structure having a good tungsten

Country Status (1)

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KR (1) KR890002612B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100391897B1 (en) * 2000-08-24 2003-07-16 재단법인 포항산업과학연구원 Alloy steel casting having high toughness and method of manufacturing it, and duo cast by using it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100391897B1 (en) * 2000-08-24 2003-07-16 재단법인 포항산업과학연구원 Alloy steel casting having high toughness and method of manufacturing it, and duo cast by using it

Also Published As

Publication number Publication date
KR890002612B1 (en) 1989-07-20

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