KR950006016A - Hot die tool steel and manufacturing method - Google Patents

Hot die tool steel and manufacturing method Download PDF

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Publication number
KR950006016A
KR950006016A KR1019930017086A KR930017086A KR950006016A KR 950006016 A KR950006016 A KR 950006016A KR 1019930017086 A KR1019930017086 A KR 1019930017086A KR 930017086 A KR930017086 A KR 930017086A KR 950006016 A KR950006016 A KR 950006016A
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KR
South Korea
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less
total
dissolved
tool steel
manufacturing
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KR1019930017086A
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Korean (ko)
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KR950007790B1 (en
Inventor
남철우
소진왕
장준섭
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서순화
기아특수강 주식회사
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Priority to KR1019930017086A priority Critical patent/KR950007790B1/en
Publication of KR950006016A publication Critical patent/KR950006016A/en
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Publication of KR950007790B1 publication Critical patent/KR950007790B1/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
    • C22C38/18—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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

본 발명은 C : 1.00％ 이하, Si : 0.60％ 이하, Mn : 0.40－1.00％, Cr : 1.5－3.5％, Mo : 1.3－3.0％, V : 0.5－1.0％, P : 0.020％ 이하, S :0.015％ 이하, 총 Al(T,Al) : 0.040％ 이하, 용존 Al(S.Al) : 0.032％ 이하, 총 산소(T.O) : 0.0030％ 이하, Ca : 0.01％ 이하를 함유하고 Ca/총산소=0.5-1.5 그리고 용존 Al/총 Al≥0.80으로 구성되고 잔량은 대부분 Fe 이며 나머지는 전기로 제강에서 불가피하게 포함될 수 있는 극소량의 불순원소로 조성된 열간 금형 공구강 제조 방법을 제공하여 우수한 강도, 고온경도, 내열성을 얻으며 강중 알루미나(Al2O3) 및 황화망간(MnS) 개재물의 형상제어원소인 칼슘(Ca)을 첨가하여 비금속 개재물의 구상화, 미세와 그리고 균일화를 실현시킴으로서 내충격성과 인성의 등방성을 향상시켰다.The present invention is C: 1.00% or less, Si: 0.60% or less, Mn: 0.40-1.00%, Cr: 1.5-3.5%, Mo: 1.3-3.0%, V: 0.5-1.0%, P: 0.020% or less, S : 0.015% or less, total Al (T, Al): 0.040% or less, dissolved Al (S.Al): 0.032% or less, total oxygen (TO): 0.0030% or less, Ca: 0.01% or less, and Ca / total It is composed of oxygen = 0.5-1.5 and dissolved Al / total Al≥0.80, the remaining amount is mostly Fe and the rest is made of very low impurity elements which can be inevitably included in steelmaking of the electric furnace. High temperature hardness and heat resistance are added, and calcium (Ca), a shape control element of steel alumina (Al 2 O 3 ) and manganese sulfide (MnS) inclusions, is added to realize spheroidization, fineness, and uniformity of non-metallic inclusions, so that the impact and toughness isotropic Improved.

Description

열간 금형 공구강 및 그 제조방법Hot die tool steel and manufacturing method

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

Claims (2)

중량비로서 C : 1.00％ 이하, Si : 0.60％ 이하, Mn : 0.40－1.00％, Cr : 1.5－3.5％, Mo : 1.3－3.0％, V : 0.5－1.0％, P : 0.020％ 이하, S :0.015％ 이하, 총 Al : 0.040％ 이하, 용존 Al : 0.032％ 이하, 총 산소(T.O) : 0.0030％ 이하, Ca : 0.01％ 이하를 함유하고 Ca/총산소=0.5-1.5 그리고 용존 Al/총 Al≥0.80으로 구성되고 잔량은 대부분 Fe 나머지 불순원소인 것을 특징으로 하는 열간 금형 공구강.As weight ratio, C: 1.00% or less, Si: 0.60% or less, Mn: 0.40-1.00%, Cr: 1.5-3.5%, Mo: 1.3-3.0%, V: 0.5-1.0%, P: 0.020% or less, S: 0.015% or less, total Al: 0.040% or less, dissolved Al: 0.032% or less, total oxygen (TO): 0.0030% or less, Ca: 0.01% or less, Ca / total oxygen = 0.5-1.5 and dissolved Al / total Al Hot mold tool steel, characterized in that it consists of ≥0.80 and the remaining amount is mostly Fe remaining impurity elements. 강괴의 열간단조온도는 1100―1200℃범위이고 구상화 어닐링처리는 830―870℃ 범위이며, 1020±℃에서 물에 의한 담금질과 550±℃에서 템퍼링하여 경도(HRC) 52―58을 얻은 것을 특징으로 하는 제1항의 성분을 갖는 열간 금형 공구강의 제조방법.The hot forging temperature of the steel ingot is in the range of 1100-1200 ℃ and the spheroidizing annealing treatment is in the range of 830-870 ℃, and the hardness (HRC) 52-58 is obtained by tempering at 550 ± ℃ with water quenching at 1020 ± ℃. The manufacturing method of the hot die tool steel which has a component of Claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930017086A 1993-08-31 1993-08-31 Hot rolling tool(mold) steel & the same making method KR950007790B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930017086A KR950007790B1 (en) 1993-08-31 1993-08-31 Hot rolling tool(mold) steel & the same making method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930017086A KR950007790B1 (en) 1993-08-31 1993-08-31 Hot rolling tool(mold) steel & the same making method

Publications (2)

Publication Number Publication Date
KR950006016A true KR950006016A (en) 1995-03-20
KR950007790B1 KR950007790B1 (en) 1995-07-18

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KR1019930017086A KR950007790B1 (en) 1993-08-31 1993-08-31 Hot rolling tool(mold) steel & the same making method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100331962B1 (en) * 1996-05-08 2002-11-27 기아특수강 주식회사 Method for manufacturing high cleanliness tool steel with improved macro/micro-solidification structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122438A (en) * 2013-02-02 2013-05-29 大连经济技术开发区圣洁真空技术开发有限公司 Microalloyed steel and heat treatment method thereof
KR102122665B1 (en) * 2018-11-26 2020-06-12 현대제철 주식회사 Manufacturing method for die steel for hot stamping and die steel for hot stamping thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100331962B1 (en) * 1996-05-08 2002-11-27 기아특수강 주식회사 Method for manufacturing high cleanliness tool steel with improved macro/micro-solidification structure

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Publication number Publication date
KR950007790B1 (en) 1995-07-18

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