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
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Korean (ko)
Other versions
KR890002612B1 (en
Inventor
이덕락
이근수
박완희
Original Assignee
안병화
포항종합제철 주식회사
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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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    • 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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