KR920004599A - Manufacturing method of toughened non-alloyed steel with controlled inclusion shape - Google Patents

Manufacturing method of toughened non-alloyed steel with controlled inclusion shape Download PDF

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Publication number
KR920004599A
KR920004599A KR1019900011944A KR900011944A KR920004599A KR 920004599 A KR920004599 A KR 920004599A KR 1019900011944 A KR1019900011944 A KR 1019900011944A KR 900011944 A KR900011944 A KR 900011944A KR 920004599 A KR920004599 A KR 920004599A
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South Korea
Prior art keywords
weight
producing
manufacturing
alloyed steel
special element
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KR1019900011944A
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Korean (ko)
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KR930003643B1 (en
Inventor
유인석
김강형
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김연수
삼성중공업 주식회사
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Application filed by 김연수, 삼성중공업 주식회사 filed Critical 김연수
Priority to KR1019900011944A priority Critical patent/KR930003643B1/en
Priority to GB919116412A priority patent/GB9116412D0/en
Priority to ITMI912144A priority patent/IT1250732B/en
Priority to GB9116654A priority patent/GB2246579B/en
Priority to FR9109898A priority patent/FR2665461B1/en
Priority to JP21622291A priority patent/JPH06340946A/en
Priority to DE4125648A priority patent/DE4125648A1/en
Publication of KR920004599A publication Critical patent/KR920004599A/en
Application granted granted Critical
Publication of KR930003643B1 publication Critical patent/KR930003643B1/en

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    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

내용 없음No content

Description

개재물형상을 제어한 고인성비조질상의 제조방법Manufacturing method of high toughness amorphous phase with controlled inclusion shape

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따라 제조된 비조질강에 분포된 개재물의 형상을 400배로 확대한 현미경조직사진임.1 is a microscopic photograph of a magnification of 400 times the shape of inclusions distributed in the non-coarse steel produced according to the present invention.

Claims (5)

중량%, 0.35∼0.55%의 C와, 0.15∼0.45%의 Si, 0.01∼0.075%의 Al, 0.60∼1.55%의 Mn, 0.05%이하의 S, 0.15%이하의 Nb 및 V의 단독 또는 혼합물, 0.2923Ti-0.02%의 N, O.03%이항의 Ti, 잔유Fe 및, 기타 불순물 원소로 이루어딘 화학조성을 갖는 합금강에 소량의 특수원소를 첨가하여 개재물형상을 제어하도록 된 개재물형상을 제어한 고인성비조질강의 제조방법.Alone or a mixture of 0.3% to 0.55% C by weight, 0.15 to 0.45% Si, 0.01 to 0.075% Al, 0.60 to 1.55% Mn, 0.05% or less S, 0.15% or less Nb and V, The inclusion shape is controlled by adding a small amount of special elements to an alloy steel having a chemical composition composed of 0.2923 Ti-0.02% of N, 0.03% or more of Ti, residual Fe, and other impurity elements. Method for producing tough non-alloy steel. 제1항에 있어서, 상기 특수원소가 중량%로, 0.0001∼0.04%의 Ca으로 된 것을 특징으로 하는 개재물형상을 제어한 고인 성비조질강의 제조방법.The method for producing high toughness non-coated steel according to claim 1, wherein the special element is 0.00% to 0.04% by weight of Ca. 제1항에 있어서, 상기 특수원소가 중량%로, 0.0001∼0.04%의 Te으로 된 것을 특징으로 하는 개재물형상을 제어한 고인성조질강의 제조방법.The method for producing a high toughness tempered steel according to claim 1, wherein the special element is by weight%, 0.0001 to 0.04% of Te. 제1항에 있어서, 상기 특수원소가 중량%로 0.0001∼0.04%의 Ce 및 기타 희토류금속으로 된 것을 특징으로 하는 개재물형상을 제어한 고인성비조질강의 제조방법.The method of claim 1, wherein the special element is 0.0001 to 0.04% by weight of Ce and other rare earth metals. 제1항에 있어서, 상기 특수원소가 중량%로, 0.0001∼0.04%의 미쉬메탈으로 된 것을 특징으로 하는 개재물형상을 제어한 고인성비조질강의 제조방법.The method for producing a high toughness non-alloyed steel according to claim 1, wherein the special element is a weight% of 0.0001 to 0.04% of a misch metal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900011944A 1990-08-03 1990-08-03 Non-quenched & tempered steel having a high toughness KR930003643B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1019900011944A KR930003643B1 (en) 1990-08-03 1990-08-03 Non-quenched & tempered steel having a high toughness
GB919116412A GB9116412D0 (en) 1990-08-03 1991-07-30 High toughness non-refined steels and method for manufacturing them
ITMI912144A IT1250732B (en) 1990-08-03 1991-07-31 Non-refined high toughness steels and method for their manufacture
GB9116654A GB2246579B (en) 1990-08-03 1991-08-01 Method for manufacturing high toughness non-refined steels
FR9109898A FR2665461B1 (en) 1990-08-03 1991-08-02 HIGH TENACITY UNREFINED STEELS AND PROCESS FOR THEIR MANUFACTURE.
JP21622291A JPH06340946A (en) 1990-08-03 1991-08-02 Non-tempered steel with high toughness and preparation thereof
DE4125648A DE4125648A1 (en) 1990-08-03 1991-08-02 HIGH TOE, UNCOVERED STEEL AND METHOD FOR THEIR PRODUCTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900011944A KR930003643B1 (en) 1990-08-03 1990-08-03 Non-quenched & tempered steel having a high toughness

Publications (2)

Publication Number Publication Date
KR920004599A true KR920004599A (en) 1992-03-27
KR930003643B1 KR930003643B1 (en) 1993-05-08

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KR1019900011944A KR930003643B1 (en) 1990-08-03 1990-08-03 Non-quenched & tempered steel having a high toughness

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KR930003643B1 (en) 1993-05-08

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