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KR850004998A - 고경도 경화 및 단련된 특수강의 제조방법의 특수강합금 - Google Patents

고경도 경화 및 단련된 특수강의 제조방법의 특수강합금 Download PDF

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Publication number
KR850004998A
KR850004998A KR1019840007612A KR840007612A KR850004998A KR 850004998 A KR850004998 A KR 850004998A KR 1019840007612 A KR1019840007612 A KR 1019840007612A KR 840007612 A KR840007612 A KR 840007612A KR 850004998 A KR850004998 A KR 850004998A
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weight
steel
special steel
alloy
annealed
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KR1019840007612A
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KR900000279B1 (ko
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페레츠 이차르츄가차 마리아노
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원본미기재
테크닉 아크티엔게젤샤프트(외 1)
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21D6/02—Hardening by precipitation
    • 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
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

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  • 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)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

내용 없음

Description

고경도 경화 및 단련된 특수강의 제조방법과 특수강합금
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 경도 및 강도가 높고 동시에 인성이 높으며, 0.20-0.45중량%, 특히 0.25-0.35중량%, 규소 0.08-0.50중량%, 특히 0.15-0.40중량%, 망간 030-.50중량%, 특히 0.60-1.00중량%, 인≤0.020중량%, 특히 ≤0.008중량%, 황≤0.020중량%, 특히 ≤0.008중량%, 크롬 0.60-1.80중량%, 특히 0.70-1.40중량%, 몰리브덴 0.20-0.60중량%, 특히 0.30-0.50중량%, 보른 ≤0.006중량%, 특히 ≤0.003중량%, 티타늄 또는 알루미늄 0.02-0.150중량%, 특히 0.020-0.120중량%의 합금베이슨를 갖는 고경도의 경화 및 단련된 특수강의 제조방법에 있어서, 부가적인 식출경화를 위하여 소량의 니오븀, 즉 약 0.005-0.03중량%, 특히 0.008-0.02중량5의 니오븀이 강철에 합금되고, 이와같이 제조된 강철이 450-550HB, 특히 475-525HB의 브리넬 경도를 갖도록 합금베이스에 적합하게 860-960℃, 특히 880-920℃에서의 오오스떼나이트화, 물, 오일 또는 압축공기로의 냉각과, 판두께에 따라서 160-350℃, 특히 180-250℃ 온도범위에서의 단련단계로 구성되는 열처리와 경화 및 단련처리됨을 특징으로 하는 고경도 경화 및 단련된 특수강의 제조방법.
  2. 청구범위 제1항에 있어서, 강철이 250-450℃온도 범위에서 고온단련됨을 특징으로 하는 방법.
  3. 청구범위 제1항에 있어서, 강철이 350-550℃온도범위에서 단련됨을 특징으로 하는 방법.
  4. 탄소 0.20-0.45중량%, 특히 0.25-0.35중량%, 규소 0.08-0.50중량%, 특히 0.15-0.40중량%, 망간 0.30-1.50중량%, 특히 0.60-1.00중량%, 인 ≤0.020중량%, 특히 ≤0.008중량%, 황 0.020중량%, 특히 ≤0.008중량%, 크롬 0.60-1.80중량%, 특히 0.70-1.40중량%, 몰리브덴 0.20-0.60중량%, 특히 0.30-0.50중량%, 붕소 ≤0.006중량%, 특히 ≤0.003중량, 티타늄 또는 알루미늄 0.02-0.150중량%, 특히 0.020-0.120중량5의 합금베이스를 갖는 특수강합금에 있어서, 부가적인 식출경화를 위하여 소량의 원소 니오븀, 즉 약 0.005-0.03중량5, 특히 0.008-0.02중량%의 니오븀이 강철에 합금됨을 특징으로 하는 특수강합금.
  5. 청구범위 제4항에 있어서, 티타늄대신에 0.020-0.080중량%, 특히 0.030-0.06중량%의 알루미늄이 함유됨을 특징으로 하는 특수강합금.
  6. 청구범위 제4항 또는 5항에 있어서, 광범위한 판두께에서 연속 냉각 및 단련특성을 개선하기 위하여 0.5-2중량%의 니켈이 합금에 혼합됨을 특징으로 하는 특수강합금.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840007612A 1983-12-20 1984-12-03 고경도 경화 및 템퍼링된 특수강의 제조방법과 특수강합금 KR900000279B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU22584/83A AU564998B2 (en) 1983-12-20 1983-12-20 Hardened and tempered high hardness special steels
AU22584/83 1983-12-20
AT22584 1983-12-20

Publications (2)

Publication Number Publication Date
KR850004998A true KR850004998A (ko) 1985-08-19
KR900000279B1 KR900000279B1 (ko) 1990-01-24

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KR1019840007612A KR900000279B1 (ko) 1983-12-20 1984-12-03 고경도 경화 및 템퍼링된 특수강의 제조방법과 특수강합금

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KR (1) KR900000279B1 (ko)
AU (1) AU564998B2 (ko)
BR (1) BR8406523A (ko)
CA (1) CA1266790A (ko)
EG (1) EG16763A (ko)
IL (1) IL73473A (ko)
MX (1) MX162375A (ko)
NZ (1) NZ210175A (ko)
ZA (1) ZA849878B (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007487A1 (de) * 1990-03-09 1991-09-12 Skf Gmbh Verfahren zur herstellung von maschinenelementen aus stahl
JP3514182B2 (ja) * 1999-08-31 2004-03-31 住友金属工業株式会社 高温強度と靱性に優れた低Ｃｒフェライト系耐熱鋼およびその製造方法
US9410220B2 (en) * 2012-06-19 2016-08-09 Buffalo Armory Llc Method and apparatus for treating a steel article
CN108374075B (zh) * 2018-03-12 2019-11-15 包头北方安全防护装备制造有限公司 控制大型装甲板弯曲成型件淬火变形的方法

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ZA849878B (en) 1985-06-17
AU2258483A (en) 1985-06-27
MX162375A (es) 1991-05-02
CA1266790A (en) 1990-03-20
KR900000279B1 (ko) 1990-01-24
NZ210175A (en) 1988-03-30
EG16763A (en) 1991-08-30
IL73473A0 (en) 1985-02-28
AU564998B2 (en) 1987-09-03
IL73473A (en) 1987-10-20
BR8406523A (pt) 1985-10-15

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